{"id":30539,"date":"2026-06-29T09:23:38","date_gmt":"2026-06-29T09:23:38","guid":{"rendered":"https:\/\/www.leiliautoparts.com\/?p=30539"},"modified":"2026-06-30T01:17:33","modified_gmt":"2026-06-30T01:17:33","slug":"summer-commercial-vehicle-wiper-system-maintenance-guide-a-must-read-for-bus-and-truck-safety-in-the-rainy-seasonwiper-blade","status":"publish","type":"post","link":"https:\/\/www.leiliautoparts.com\/zh\/summer-commercial-vehicle-wiper-system-maintenance-guide-a-must-read-for-bus-and-truck-safety-in-the-rainy-seasonwiper-blade\/","title":{"rendered":"Summer Commercial Vehicle Wiper System Maintenance Guide: A Must-Read for Bus and Truck Safety in the Rainy Season"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"30539\" class=\"elementor elementor-30539\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-94e9783 e-con e-atomic-element e-flexbox-base e-73d84ee\" data-id=\"94e9783\" data-element_type=\"e-flexbox\" data-e-type=\"e-flexbox\" data-interaction-id=\"94e9783\">\n    \t\t<div class=\"elementor-element elementor-element-f7adcc3 color-scheme-inherit text-left elementor-widget elementor-widget-text-editor\" data-id=\"f7adcc3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h2>I. Why is summer the &#8220;exam season&#8221; for commercial vehicle wiper systems?<\/h2><p>Commercial vehicles and passenger vehicles have fundamentally different use scenarios for wiper systems. A long-distance bus or heavy truck may log five to ten times the daily mileage of a household car, so the wear rate on the wiper motor and wiper blade runs much higher than on ordinary vehicles. In the summer season, three main forces compound the pressure on the system:<\/p><ul><li><span style=\"color: #000000\"><strong>High temperature exposure<\/strong><\/span>: The temperature of the windshield of the cockpit can reach more than 70 \u2103, and the rubber of the wiper blade will accelerate aging, resulting in problems such as hardening, cracking, and not being able to clean the windshield.<\/li><li><span style=\"color: #000000\"><strong>Torrential rain<\/strong><\/span>: In a short period of time, extremely large precipitation requires the continuous high-frequency operation of the commercial vehicle wiper system, which is a hard test for the heat dissipation ability of the wiper motor and the mechanical strength of the connecting rod.<\/li><li><span style=\"color: #000000\"><strong>Mud insect glue<\/strong><\/span>: In summer, road dust and insect collisions increase, and the pollutants attached to the windshield will aggravate the wear of the windshield wiper, and ordinary clean water is difficult to effectively remove it.<\/li><\/ul><div id=\"attachment_30689\" style=\"width: 1418px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" aria-describedby=\"caption-attachment-30689\" class=\"wp-image-30689 size-full\" title=\"WIPER BLADE\" src=\"https:\/\/www.leiliautoparts.com\/wp-content\/uploads\/2026\/06\/\u6781\u7aef\u5929\u6c14-1.png\" alt=\"wiper blade\" width=\"1408\" height=\"768\" srcset=\"https:\/\/www.leiliautoparts.com\/wp-content\/uploads\/2026\/06\/\u6781\u7aef\u5929\u6c14-1.png 1408w, https:\/\/www.leiliautoparts.com\/wp-content\/uploads\/2026\/06\/\u6781\u7aef\u5929\u6c14-1-300x164.png 300w, https:\/\/www.leiliautoparts.com\/wp-content\/uploads\/2026\/06\/\u6781\u7aef\u5929\u6c14-1-1024x559.png 1024w, https:\/\/www.leiliautoparts.com\/wp-content\/uploads\/2026\/06\/\u6781\u7aef\u5929\u6c14-1-768x419.png 768w, https:\/\/www.leiliautoparts.com\/wp-content\/uploads\/2026\/06\/\u6781\u7aef\u5929\u6c14-1-18x10.png 18w, https:\/\/www.leiliautoparts.com\/wp-content\/uploads\/2026\/06\/\u6781\u7aef\u5929\u6c14-1-600x327.png 600w, https:\/\/www.leiliautoparts.com\/wp-content\/uploads\/2026\/06\/\u6781\u7aef\u5929\u6c14-1-150x82.png 150w\" sizes=\"(max-width: 1408px) 100vw, 1408px\" \/><p id=\"caption-attachment-30689\" class=\"wp-caption-text\">WIPER BLADE<\/p><\/div><p>Therefore, summer maintenance is not &#8220;fix it when it breaks,&#8221; but &#8220;check it in advance and replace it regularly.&#8221; The following will be explained one by one according to the core components.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\n<\/div>\n<div class=\"elementor-element elementor-element-6c2b9a4 e-con e-atomic-element e-flexbox-base e-fa88bdb\" data-id=\"6c2b9a4\" data-element_type=\"e-flexbox\" data-e-type=\"e-flexbox\" data-interaction-id=\"6c2b9a4\">\n    \t\t<div class=\"elementor-element elementor-element-d550a5f color-scheme-inherit text-left elementor-widget elementor-widget-text-editor\" data-id=\"d550a5f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h2>II. Detailed inspection of key components during summer maintenance<\/h2><h3>2.1 Wiper Blade: The Most Easily Damaged &#8220;First Line of Defense&#8221;<\/h3><div class=\"semi-table-header\"><p>The wiper blade makes direct contact with the glass, making it the most problem-prone component within the wiper system and the one that requires frequent replacement. During summer, we recommend checking the **wiper blade** every two to three months, and replacing it if any of the following conditions occur:<\/p><table class=\"semi-table semi-table-fixed\" style=\"height: 42px\" width=\"701\"><thead class=\"semi-table-thead\"><tr class=\"semi-table-row\" role=\"row\"><th class=\"semi-table-row-head\" title=\"\u68c0\u67e5\u9879\u76ee\" role=\"columnheader\" colspan=\"1\" rowspan=\"1\">Inspection items<\/th><th class=\"semi-table-row-head\" title=\"\u5f02\u5e38\u8868\u73b0\" role=\"columnheader\" colspan=\"1\" rowspan=\"1\">Abnormal performance<\/th><th class=\"semi-table-row-head\" title=\"\u5efa\u8bae\u5904\u7406\" role=\"columnheader\" colspan=\"1\" rowspan=\"1\">It is recommended to handle it.<\/th><\/tr><\/thead><\/table><\/div><div class=\"semi-table-body\"><table class=\"semi-table semi-table-fixed\" style=\"height: 127px\" role=\"grid\" width=\"1349\"><colgroup class=\"semi-table-colgroup\"> <col class=\"semi-table-col\" \/> <col class=\"semi-table-col\" \/> <col class=\"semi-table-col\" \/><\/colgroup><tbody class=\"semi-table-tbody\"><tr class=\"semi-table-row\" role=\"row\" data-row-key=\"0\"><td class=\"semi-table-row-cell\" title=\"\u522e\u62ed\u6548\u679c\" role=\"gridcell\">Scraping effect<\/td><td class=\"semi-table-row-cell\" title=\"\u51fa\u73b0\u6761\u72b6\u6c34\u75d5\u3001\u96fe\u72b6\u6b8b\u7559\" role=\"gridcell\">There are streaks of water stains and foggy residues.<\/td><td class=\"semi-table-row-cell\" title=\"\u6e05\u6d01\u80f6\u6761\u6216\u66f4\u6362\" role=\"gridcell\">Clean the rubber strip or replace it.<\/td><\/tr><tr class=\"semi-table-row\" role=\"row\" data-row-key=\"1\"><td class=\"semi-table-row-cell\" title=\"\u80f6\u6761\u5916\u89c2\" role=\"gridcell\">Appearance of the rubber strip<\/td><td class=\"semi-table-row-cell\" title=\"\u786c\u5316\u3001\u88c2\u7eb9\u3001\u5c40\u90e8\u53d8\u5f62\" role=\"gridcell\">Hardening, cracks, local deformation<\/td><td class=\"semi-table-row-cell\" title=\"\u7acb\u5373\u66f4\u6362\" role=\"gridcell\">Replace immediately.<\/td><\/tr><tr class=\"semi-table-row\" role=\"row\" data-row-key=\"2\"><td class=\"semi-table-row-cell\" title=\"\u8fd0\u884c\u566a\u97f3\" role=\"gridcell\">Running noise<\/td><td class=\"semi-table-row-cell\" title=\"\u5f02\u54cd\u3001\u8df3\u52a8\u3001\u5431\u5431\u58f0\" role=\"gridcell\">Noise, vibration, squeaking<\/td><td class=\"semi-table-row-cell\" title=\"\u68c0\u67e5\u5b89\u88c5\u89d2\u5ea6\u6216\u66f4\u6362\" role=\"gridcell\">Check the installation angle or replace it.<\/td><\/tr><tr class=\"semi-table-row\" role=\"row\" data-row-key=\"3\"><td class=\"semi-table-row-cell\" title=\"\u4f7f\u7528\u65f6\u957f\" role=\"gridcell\">Duration of use<\/td><td class=\"semi-table-row-cell\" title=\"\u8d85\u8fc76\u4e2a\u6708\u672a\u66f4\u6362\" role=\"gridcell\">Not replaced for more than 6 months<\/td><td class=\"semi-table-row-cell\" title=\"\u9884\u9632\u6027\u66f4\u6362\" role=\"gridcell\">Preventive replacement<\/td><\/tr><\/tbody><\/table><p><span style=\"color: #000000\"><strong>Practical tips<\/strong><\/span>: After highway driving, wiping the wiper blade rubber strip with a damp cloth removes insect residue and oil film, which can extend service life by over 30%.<\/p><p>For high-frequency needs such as replacing windshield wipers on BYD commercial vehicles, we recommend that fleets establish a scheduled replacement log rather than waiting for drivers to report poor wiping performance. For a 12-meter bus operating in southern regions with heavy rainfall, the front windshield wipers should be replaced no less frequently than every four months.<\/p><div id=\"attachment_30690\" style=\"width: 1418px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" aria-describedby=\"caption-attachment-30690\" class=\"wp-image-30690 size-full\" title=\"WIPER BLADE\" src=\"https:\/\/www.leiliautoparts.com\/wp-content\/uploads\/2026\/06\/\u96e8\u522e\u65b0\u65e7\u5bf9\u6bd4-1.png\" alt=\"wiper blade\" width=\"1408\" height=\"768\" srcset=\"https:\/\/www.leiliautoparts.com\/wp-content\/uploads\/2026\/06\/\u96e8\u522e\u65b0\u65e7\u5bf9\u6bd4-1.png 1408w, https:\/\/www.leiliautoparts.com\/wp-content\/uploads\/2026\/06\/\u96e8\u522e\u65b0\u65e7\u5bf9\u6bd4-1-300x164.png 300w, https:\/\/www.leiliautoparts.com\/wp-content\/uploads\/2026\/06\/\u96e8\u522e\u65b0\u65e7\u5bf9\u6bd4-1-1024x559.png 1024w, https:\/\/www.leiliautoparts.com\/wp-content\/uploads\/2026\/06\/\u96e8\u522e\u65b0\u65e7\u5bf9\u6bd4-1-768x419.png 768w, https:\/\/www.leiliautoparts.com\/wp-content\/uploads\/2026\/06\/\u96e8\u522e\u65b0\u65e7\u5bf9\u6bd4-1-18x10.png 18w, https:\/\/www.leiliautoparts.com\/wp-content\/uploads\/2026\/06\/\u96e8\u522e\u65b0\u65e7\u5bf9\u6bd4-1-600x327.png 600w, https:\/\/www.leiliautoparts.com\/wp-content\/uploads\/2026\/06\/\u96e8\u522e\u65b0\u65e7\u5bf9\u6bd4-1-150x82.png 150w\" sizes=\"(max-width: 1408px) 100vw, 1408px\" \/><p id=\"caption-attachment-30690\" class=\"wp-caption-text\">WIPER BLADE<\/p><\/div><h3>2.2 Wiper motor: the &#8220;heart&#8221; of the system<\/h3><p>The power level of a commercial vehicle wiper motor differs markedly from that of a passenger car motor. Commercial vehicle motors drive longer, heavier arms. Power ranges from 100W to 300W. Heavy-duty units need more. In summer, motor overheating ranks as the number one hazard.<\/p><p>Summer wiper motor self-check list:<\/p><ul><li><span style=\"color: #000000\"><strong>Smell<\/strong><\/span>: Is there a burnt smell when the motor is running? This is a dangerous sign of overheating of the windings.<\/li><li><span style=\"color: #000000\"><strong>Listen to the sound<\/strong><\/span>: Is there an abnormal buzzing or metal rubbing sound? This may indicate a lack of lubrication in the bearings or worn-out gears.<\/li><li><span style=\"color: #000000\"><strong>Measure speed<\/strong><\/span>: Compare whether the scraping frequency of high-speed and low-speed gears is significantly lower than the nominal value.<\/li><li><span style=\"color: #000000\"><strong>Check the connector<\/strong><\/span>: Is the power connector oxidized, loose, or corroded? In the summer, high humidity can cause poor contact, leading to under-voltage operation of the motor and accelerating its burning out.<\/li><\/ul><p>For fleet managers, we recommend conducting a centralized inspection of wiper motors on all active vehicles every quarter. When choosing wipers for a Golden Dragon bus, the priority during matching is to confirm the motor&#8217;s protection rating (IP55 or higher is recommended) to ensure that dust and water resistance align with the actual operating environment.<\/p><h3 id=\"23-\u8fde\u52a8\u6746\u4e0e\u96e8\u522e\u81c2\u4f20\u52a8\u7cfb\u7edf\u7684\u9aa8\u67b6\">2.3 Connecting rod and wiper arm: the &#8220;skeleton&#8221; of the transmission system<\/h3><p>The linkage rod and wiper arm are metal structural components, and the main problem faced in summer is:<\/p><ul><li><span style=\"color: #000000\"><strong>Ball head looseness<\/strong><\/span>: After long-term high-frequency operation, the ball head clearance of the linkage rod increases, resulting in the wiper arm not swinging properly or making noise.<\/li><li><span style=\"color: #000000\"><strong>Corrosion and sticking<\/strong><\/span>: In the rainy season in the south and the coastal salt fog environment, the drive shaft and ball head are prone to rust.<\/li><li><span style=\"color: #000000\"><strong>Spring fatigue<\/strong><\/span>: The spring pressure of the wiper arm decays, causing the wiper blade to not adhere tightly to the glass, resulting in a leakage area when wiping.<\/li><\/ul><p>For a practical troubleshooting method, lift the wiper arm and gently lower it to see if it clings tightly to the glass. If adhesion feels weak or visible gaps appear, the spring has likely worn out, and you will need to replace the wiper arm assembly.<\/p><h3><strong>2.4 Washers: Underappreciated Safety Configurations<\/strong><\/h3><p>Commercial vehicles use washer fluid far more frequently than passenger vehicles\u2014a long-haul truck may consume several liters in a single day. For summer maintenance, the key points are to check fluid levels regularly, use a detergent suitable for removing insect residue and oil film, and ensure the spray nozzles remain clear and properly aimed:<\/p><ul><li><span style=\"color: #000000\"><strong>Washing liquid selection<\/strong><\/span>: In summer, using a specialized washer fluid with insect remover delivers far better oil-film removal than plain water mixed with dish soap.<\/li><li><span style=\"color: #000000\"><strong>Nozzle angle calibration<\/strong><\/span>: Ensure that the washer fluid spray covers the wiper blade&#8217;s effective wiping area, and avoid aiming it at the roof or the edge of the glass.<\/li><li><span style=\"color: #000000\"><strong>Pipeline anti-blockage<\/strong><\/span>: In summer, mosquito remains and dust can easily clog the nozzle filter, so we recommend cleaning it once a month.<\/li><li><span style=\"color: #000000\"><strong>Motor pressure test<\/strong><\/span>: After turning off the water spray, the pipeline should maintain pressure. If it drips within a short time, the check valve may be faulty.<\/li><\/ul><div id=\"attachment_2243\" style=\"width: 810px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" aria-describedby=\"caption-attachment-2243\" class=\"wp-image-2243 size-full\" title=\"KG-003 Overlapped Wiper Assembly\" src=\"https:\/\/www.leiliautoparts.com\/wp-content\/uploads\/2026\/01\/KG-003\u91cd\u53e0\u5f0f\u522e\u6c34\u5668\u603b\u6210\uff083\uff09.png\" alt=\"KG-003 Overlapped Wiper Assembly\" width=\"800\" height=\"800\" srcset=\"https:\/\/www.leiliautoparts.com\/wp-content\/uploads\/2026\/01\/KG-003\u91cd\u53e0\u5f0f\u522e\u6c34\u5668\u603b\u6210\uff083\uff09.png 800w, https:\/\/www.leiliautoparts.com\/wp-content\/uploads\/2026\/01\/KG-003\u91cd\u53e0\u5f0f\u522e\u6c34\u5668\u603b\u6210\uff083\uff09-300x300.png 300w, https:\/\/www.leiliautoparts.com\/wp-content\/uploads\/2026\/01\/KG-003\u91cd\u53e0\u5f0f\u522e\u6c34\u5668\u603b\u6210\uff083\uff09-150x150.png 150w, https:\/\/www.leiliautoparts.com\/wp-content\/uploads\/2026\/01\/KG-003\u91cd\u53e0\u5f0f\u522e\u6c34\u5668\u603b\u6210\uff083\uff09-768x768.png 768w, https:\/\/www.leiliautoparts.com\/wp-content\/uploads\/2026\/01\/KG-003\u91cd\u53e0\u5f0f\u522e\u6c34\u5668\u603b\u6210\uff083\uff09-600x600.png 600w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><p id=\"caption-attachment-2243\" class=\"wp-caption-text\">KG-003 Overlapped Wiper Assembly<\/p><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\n<\/div>\n<div class=\"elementor-element elementor-element-67bdbba e-con e-atomic-element e-flexbox-base e-4288f0a\" data-id=\"67bdbba\" data-element_type=\"e-flexbox\" data-e-type=\"e-flexbox\" data-interaction-id=\"67bdbba\">\n    \t\t<div class=\"elementor-element elementor-element-5416e69 color-scheme-inherit text-left elementor-widget elementor-widget-text-editor\" data-id=\"5416e69\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h2>III. Differences in summer maintenance for different commercial vehicle models<\/h2><h3>3.1 City buses \/ long-distance buses<\/h3><p>City and long-distance buses, like Yutong and Haier, often have windshields over 3.5 sqm. Meanwhile, some models use three-arm wiper systems\uff1a<\/p><ul><li>The three-arm system demands precise rod synchronization. Therefore, any unsynchronized arm will leave a central unwiped area.<\/li><li>Buses idle often, so motor cooling suffers versus highway trucks. Thus, watch motor temperatures closely in summer.<\/li><li>Most bus wipers are custom parts. Therefore, match the OEM model carefully. Avoid using passenger-car generic substitutes.<\/li><\/ul><h3>3.2 Heavy trucks and engineering vehicles<\/h3><p>Engineering vehicles face harsher dust than highway trucks. Consequently, fine particles wear wiper systems several times faster.<\/p><ul><li>Use PTFE-coated wiper blades with mud-resistant rubber. Although costlier, they can more than double the service life.<\/li><li>Therefore, upgrade the truck&#8217;s washer tank to over 5L. This reduces mid-route refill frequency significantly.<\/li><li>Engineering vehicles vibrate heavily on unpaved roads. Thus, regularly tighten all linkage rod bolts.<\/li><\/ul><h3>3.3 Airport shuttle buses and port vehicles<\/h3><p>Airports and ports demand special wiper solutions. Seaport vehicles face salt fog corrosion, while airport ones need high reliability. Therefore, use stainless steel arms, treated linkages, and motors with IP56 or higher protection.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\n<\/div>\n<div class=\"elementor-element elementor-element-d7e25ce e-con e-atomic-element e-flexbox-base e-36ce0ca\" data-id=\"d7e25ce\" data-element_type=\"e-flexbox\" data-e-type=\"e-flexbox\" data-interaction-id=\"d7e25ce\">\n    \t\t<div class=\"elementor-element elementor-element-47c8d8a color-scheme-inherit text-left elementor-widget elementor-widget-text-editor\" data-id=\"47c8d8a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h2>IV. Quick Troubleshooting Table for Common Problems in Summer<\/h2><div class=\"semi-table-header\"><table class=\"semi-table semi-table-fixed\" style=\"height: 37px\" width=\"737\"><thead class=\"semi-table-thead\"><tr class=\"semi-table-row\" role=\"row\"><th class=\"semi-table-row-head\" title=\"\u6545\u969c\u73b0\u8c61\" role=\"columnheader\" colspan=\"1\" rowspan=\"1\">Fault phenomenon<\/th><th class=\"semi-table-row-head\" title=\"\u53ef\u80fd\u539f\u56e0\" role=\"columnheader\" colspan=\"1\" rowspan=\"1\">Possible causes<\/th><th class=\"semi-table-row-head\" title=\"\u4f18\u5148\u6392\u67e5\u9879\" role=\"columnheader\" colspan=\"1\" rowspan=\"1\">Priority check items<\/th><th class=\"semi-table-row-head\" title=\"\u5904\u7406\u5efa\u8bae\" role=\"columnheader\" colspan=\"1\" rowspan=\"1\">Recommendation for handling<\/th><\/tr><\/thead><\/table><\/div><div class=\"semi-table-body\"><table class=\"semi-table semi-table-fixed\" role=\"grid\"><colgroup class=\"semi-table-colgroup\"> <col class=\"semi-table-col\" \/> <col class=\"semi-table-col\" \/> <col class=\"semi-table-col\" \/> <col class=\"semi-table-col\" \/><\/colgroup><tbody class=\"semi-table-tbody\"><tr class=\"semi-table-row\" role=\"row\" data-row-key=\"0\"><td class=\"semi-table-row-cell\" title=\"\u96e8\u522e\u4e0d\u52a8\u4f5c\" role=\"gridcell\">The wiper does not move.<\/td><td class=\"semi-table-row-cell\" title=\"\u7535\u673a\u70e7\u6bc1\/\u4fdd\u9669\u7194\u65ad\/\u5f00\u5173\u6545\u969c\" role=\"gridcell\">Motor burned out\/fuse blown\/switch failure<\/td><td class=\"semi-table-row-cell\" title=\"\u68c0\u67e5\u4fdd\u9669\u4e1d\u2192\u7535\u673a\u4f9b\u7535\" role=\"gridcell\">Check the fuse \u2192 motor power supply<\/td><td class=\"semi-table-row-cell\" title=\"\u66f4\u6362\u5bf9\u5e94\u90e8\u4ef6\" role=\"gridcell\">Replace the corresponding parts<\/td><\/tr><tr class=\"semi-table-row\" role=\"row\" data-row-key=\"1\"><td class=\"semi-table-row-cell\" title=\"\u522e\u5237\u65e0\u529b\/\u901f\u5ea6\u6162\" role=\"gridcell\">The scraper is weak\/slow<\/td><td class=\"semi-table-row-cell\" title=\"\u7535\u673a\u6b20\u538b\/\u8fde\u52a8\u6746\u5361\u6ede\" role=\"gridcell\">Motor under-voltage \/ linkage rod sticking<\/td><td class=\"semi-table-row-cell\" title=\"\u6d4b\u91cf\u7535\u673a\u7aef\u7535\u538b\u2192\u6da6\u6ed1\u8fde\u52a8\u6746\" role=\"gridcell\">Measure motor terminal voltage \u2192 lubricate linkage rod<\/td><td class=\"semi-table-row-cell\" title=\"\u6392\u9664\u7ebf\u8def\u6545\u969c\u6216\u66f4\u6362\u7535\u673a\" role=\"gridcell\">Exclude the line fault or replace the motor<\/td><\/tr><tr class=\"semi-table-row\" role=\"row\" data-row-key=\"2\"><td class=\"semi-table-row-cell\" title=\"\u522e\u4e0d\u5e72\u51c0\" role=\"gridcell\">Can&#8217;t clean it off<\/td><td class=\"semi-table-row-cell\" title=\"\u96e8\u522e\u7247\u8001\u5316\/\u81c2\u5f39\u7c27\u65e0\u529b\" role=\"gridcell\">Worn-out wiper blade \/ weak arm spring<\/td><td class=\"semi-table-row-cell\" title=\"\u5148\u6362\u96e8\u522e\u7247\uff0c\u65e0\u6548\u518d\u67e5\u5f39\u7c27\" role=\"gridcell\">Replace the wiper blade first, then check the spring if it doesn&#8217;t work.<\/td><td class=\"semi-table-row-cell\" title=\"\u9010\u6b65\u66ff\u6362\u6392\u9664\" role=\"gridcell\">Gradual replacement and exclusion<\/td><\/tr><tr class=\"semi-table-row\" role=\"row\" data-row-key=\"3\"><td class=\"semi-table-row-cell\" title=\"\u5f02\u54cd\/\u8df3\u52a8\" role=\"gridcell\">Noise\/jump<\/td><td class=\"semi-table-row-cell\" title=\"\u80f6\u6761\u786c\u5316\/\u5b89\u88c5\u89d2\u5ea6\u4e0d\u5bf9\" role=\"gridcell\">Rubber strip hardening\/incorrect installation angle<\/td><td class=\"semi-table-row-cell\" title=\"\u6e05\u6d01\u73bb\u7483\u2192\u8c03\u6574\u96e8\u522e\u81c2\u89d2\u5ea6\" role=\"gridcell\">Clean the glass \u2192 Adjust the angle of the wiper arm<\/td><td class=\"semi-table-row-cell\" title=\"\u8c03\u6574\u6216\u66f4\u6362\" role=\"gridcell\">Adjust or replace<\/td><\/tr><tr class=\"semi-table-row\" role=\"row\" data-row-key=\"4\"><td class=\"semi-table-row-cell\" title=\"\u55b7\u6c34\u65e0\u529b\" role=\"gridcell\">The water spray is weak.<\/td><td class=\"semi-table-row-cell\" title=\"\u55b7\u6c34\u6cf5\u6545\u969c\/\u7ba1\u8def\u5835\u585e\" role=\"gridcell\">Pump failure \/ pipe blockage<\/td><td class=\"semi-table-row-cell\" title=\"\u758f\u901a\u55b7\u5634\u2192\u68c0\u67e5\u6cf5\u4f53\" role=\"gridcell\">Clear the nozzle \u2192 Check the pump body<\/td><td class=\"semi-table-row-cell\" title=\"\u6e05\u6d17\u6216\u66f4\u6362\u6d17\u6da4\u5668\u6cf5\" role=\"gridcell\">Clean or replace the washer pump<\/td><\/tr><\/tbody><\/table><p>Fleet managers should keep a &#8220;one vehicle, one file&#8221; wiper log. Tracking dates and mileage helps predict part replacement, cutting downtime losses.<\/p><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\n<\/div>\n<div class=\"elementor-element elementor-element-80264de e-con e-atomic-element e-flexbox-base e-8a00ad4\" data-id=\"80264de\" data-element_type=\"e-flexbox\" data-e-type=\"e-flexbox\" data-interaction-id=\"80264de\">\n    \t\t<div class=\"elementor-element elementor-element-e48730d color-scheme-inherit text-left elementor-widget elementor-widget-text-editor\" data-id=\"e48730d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h2>V. Recommendations for Selection and Procurement<\/h2><p>When picking a commercial wiper supplier, focus on these key points for assembly or fleet buying:<\/p><p>Summer&#8217;s heat and rain test wiper systems well. Proven extreme-condition products beat minor price differences long-term.<\/p><p><span style=\"color: #ff6600\">Our firm\uff08<a href=\"http:\/\/leiliwiper.com\">ZHEJIANG LEILI AUTO PARTS CO.,LTD<\/a>\uff09 develops and makes commercial wiper systems. Full parts range, fits top bus brands. IATF 16949 certified. Accepts OEM\/ODM orders.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e01daec elementor-widget elementor-widget-wd_accordion\" data-id=\"e01daec\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"wd_accordion.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\n\t\t<div class=\"wd-accordion wd-style-shadow wd-titles-left wd-opener-pos-left wd-opener-style-arrow\" data-state=\"first\">\n\t\t\t\t\t\t\t\n\t\t\t\t<div class=\"wd-accordion-item\">\n\t\t\t\t\t<div class=\"wd-accordion-title wd-role-btn wd-active\" data-accordion-index=\"0\" tabindex=\"0\">\n\t\t\t\t\t\t<div class=\"wd-accordion-title-text\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span>\n\t\t\t\t\t\t\t\tCertification qualification\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<span class=\"wd-accordion-opener\"><\/span>\n\t\t\t\t\t<\/div>\n\n\t\t\t\t\t<div class=\"wd-accordion-content wd-entry-content wd-active\" data-accordion-index=\"0\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t<p>whether it has passed the IATF 1 6949 automotive industry quality management system certification, which is the basic threshold to measure whether the supplier has the ability to supply to the original equipment manufacturer.<\/p>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\n\t\t\t\t<div class=\"wd-accordion-item\">\n\t\t\t\t\t<div class=\"wd-accordion-title wd-role-btn\" data-accordion-index=\"1\" tabindex=\"0\">\n\t\t\t\t\t\t<div class=\"wd-accordion-title-text\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span>\n\t\t\t\t\t\t\t\tOEM experience\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<span class=\"wd-accordion-opener\"><\/span>\n\t\t\t\t\t<\/div>\n\n\t\t\t\t\t<div class=\"wd-accordion-content wd-entry-content\" data-accordion-index=\"1\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t<p>Do you provide original equipment for mainstream commercial vehicle brands such as Jinlong Bus, BYD, and Yutong Bus?<\/p>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\n\t\t\t\t<div class=\"wd-accordion-item\">\n\t\t\t\t\t<div class=\"wd-accordion-title wd-role-btn\" data-accordion-index=\"2\" tabindex=\"0\">\n\t\t\t\t\t\t<div class=\"wd-accordion-title-text\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span>\n\t\t\t\t\t\t\t\tOEM \/ ODM capability\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<span class=\"wd-accordion-opener\"><\/span>\n\t\t\t\t\t<\/div>\n\n\t\t\t\t\t<div class=\"wd-accordion-content wd-entry-content\" data-accordion-index=\"2\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t<p>Can customize the wiper motor, wiper arm, and linkage assembly according to the vehicle model, rather than just providing generic parts?<\/p>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\n\t\t\t\t<div class=\"wd-accordion-item\">\n\t\t\t\t\t<div class=\"wd-accordion-title wd-role-btn\" data-accordion-index=\"3\" tabindex=\"0\">\n\t\t\t\t\t\t<div class=\"wd-accordion-title-text\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span>\n\t\t\t\t\t\t\t\tFull system supply\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<span class=\"wd-accordion-opener\"><\/span>\n\t\t\t\t\t<\/div>\n\n\t\t\t\t\t<div class=\"wd-accordion-content wd-entry-content\" data-accordion-index=\"3\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t<p>whether it has the full chain production capacity of wiper motor, wiper arm, wiper blade, linkage rod, and washer, one-stop procurement can reduce matching risk and management costs.<\/p>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\n\t\t\t\t<div class=\"wd-accordion-item\">\n\t\t\t\t\t<div class=\"wd-accordion-title wd-role-btn\" data-accordion-index=\"4\" tabindex=\"0\">\n\t\t\t\t\t\t<div class=\"wd-accordion-title-text\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span>\n\t\t\t\t\t\t\t\tTest capability\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<span class=\"wd-accordion-opener\"><\/span>\n\t\t\t\t\t<\/div>\n\n\t\t\t\t\t<div class=\"wd-accordion-content wd-entry-content\" data-accordion-index=\"4\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t<p>whether it has a complete set of test equipment such as high temperature, high humidity, salt spray, durability, etc.<\/p>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\n<\/div>\n<div class=\"wd-negative-gap elementor-element elementor-element-ca6078f e-flex e-con-boxed e-con e-parent\" data-id=\"ca6078f\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-29a315f elementor-widget elementor-widget-wd_image_or_svg\" data-id=\"29a315f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"wd_image_or_svg.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\n\t\t<div class=\"wd-image text-left\">\n\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"1408\" height=\"768\" src=\"https:\/\/www.leiliautoparts.com\/wp-content\/uploads\/2026\/06\/\u63e1\u624b\u5408\u4f5c-1.png\" class=\"attachment-full size-full\" alt=\"wiper blade\" srcset=\"https:\/\/www.leiliautoparts.com\/wp-content\/uploads\/2026\/06\/\u63e1\u624b\u5408\u4f5c-1.png 1408w, https:\/\/www.leiliautoparts.com\/wp-content\/uploads\/2026\/06\/\u63e1\u624b\u5408\u4f5c-1-300x164.png 300w, https:\/\/www.leiliautoparts.com\/wp-content\/uploads\/2026\/06\/\u63e1\u624b\u5408\u4f5c-1-1024x559.png 1024w, https:\/\/www.leiliautoparts.com\/wp-content\/uploads\/2026\/06\/\u63e1\u624b\u5408\u4f5c-1-768x419.png 768w, https:\/\/www.leiliautoparts.com\/wp-content\/uploads\/2026\/06\/\u63e1\u624b\u5408\u4f5c-1-18x10.png 18w, https:\/\/www.leiliautoparts.com\/wp-content\/uploads\/2026\/06\/\u63e1\u624b\u5408\u4f5c-1-600x327.png 600w, https:\/\/www.leiliautoparts.com\/wp-content\/uploads\/2026\/06\/\u63e1\u624b\u5408\u4f5c-1-150x82.png 150w\" sizes=\"(max-width: 1408px) 100vw, 1408px\" \/>\t\t\t\t\t<\/div>\n\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"wd-negative-gap elementor-element elementor-element-f927d60 e-flex e-con-boxed e-con e-parent\" data-id=\"f927d60\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-2897d86 elementor-widget elementor-widget-wd_text_block\" data-id=\"2897d86\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"wd_text_block.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"wd-text-block reset-last-child text-left\">\n\t\t\t\n\t\t\t<p><a href=\"http:\/\/leiliwiper.com\" target=\"_blank\" rel=\"noopener\"><strong><span style=\"color: #000000\">Core product line<\/span><\/strong><\/a>: <a href=\"https:\/\/www.leiliautoparts.com\/zh\/wiper-motor-guide-sourcing-testing\/\">\u96e8\u5237\u7535\u673a<\/a> \/ <a href=\"https:\/\/www.leiliautoparts.com\/zh\/wiper-arm-definition-and-function\/\">wiper arm<\/a> \/ <a href=\"https:\/\/www.leiliautoparts.com\/zh\/guide-to-selecting-commercial-vehicle-wiper-systems\/\">wiper blade<\/a> \/<a href=\"https:\/\/www.leiliautoparts.com\/zh\/wiper-linkage-definition-and-function\/\"> wiper link rod<\/a> \/ <a href=\"https:\/\/www.leiliautoparts.com\/zh\/wiper-washer-tank-definition-and-function\/\">Washing machine<\/a> \/ <a href=\"https:\/\/www.leiliautoparts.com\/zh\/a-comprehensive-guide-to-bus-locks-definitions-functions-and-types-explained-2\/\">Bus lock<\/a>, suitable for Jinlong, BYD, XCMG, Chongqing Heavy Industry, Yutong, Haier and other original equipment manufacturers, covers buses, trucks, commercial vehicles, engineering vehicles, ships, aircraft, ships and other fields, holds IATF 16 949 certification, undertake OEM \/ ODM customization.<\/p>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>From June to September every year, most parts of the country enter the main flood season. Frequent heavy rain and alternating sunshine pose the toughest challenge to commercial vehicle wiper systems throughout the year. A practical commercial vehicle wiper maintenance plan is related to driving safety and operational efficiency.<\/p>","protected":false},"author":4,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-30539","post","type-post","status-publish","format-standard","hentry","category-blog"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.4 (Yoast SEO v27.4) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Wiper Blade for Commercial Vehicles: Built to Last Longer<\/title>\n<meta name=\"description\" content=\"Why replace wiper blade every 3 months? Our OEM supplies last 2x longer for commercial vehicles. See the spec and fitment guide.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.leiliautoparts.com\/zh\/summer-commercial-vehicle-wiper-system-maintenance-guide-a-must-read-for-bus-and-truck-safety-in-the-rainy-seasonwiper-blade\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Summer Commercial Vehicle Wiper System Maintenance Guide: A Must-Read for Bus and Truck Safety in the Rainy Season\" \/>\n<meta property=\"og:description\" content=\"Why replace wiper blade every 3 months? Our OEM supplies last 2x longer for commercial vehicles. 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