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AV-SCANNER / Service function guides / Body and comfort
This comprehensive guide walks you through the complete wiper and washer service, from understanding the system's components to diagnosing faults and performing a full repair. It is written for both DIY enthusiasts and professional mechanics who want a methodical approach that works across most vehicles. You will learn how to test the motor, linkage, switch, and washer pump, and how to replace worn blades, hoses, and nozzles. By the end, you will be able to restore clear visibility in any weather and confirm the repair with practical checks.
Guidance is general and covers many makes. Exact procedures and values vary by model, so confirm them in the factory service information for your vehicle.
Download all 12 sections as a branded PDF to use in the workshop.
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