This is a 3-way windshield washer check valve that controls fluid flow to the washer nozzles, ensuring proper operation of the windshield cleaning system. It is constructed from durable materials to withstand constant fluid pressure and temperature fluctuations, unlike a worn valve that may leak or fail to hold pressure. Operators may notice washer fluid leaking back into the reservoir, weak spray from the nozzles, or no spray at all when this valve fails.
Always verify with serial number before ordering.
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Flush hydraulic lines before fitting new components. Use only manufacturer-specified hydraulic fluid. Check O-rings and backup rings for correct orientation. Bleed air from system after installation.
Always consult the OEM service manual for model-specific torque values and procedures. WhatsApp our technical team if you need fitment guidance.
The first sign of a failing check valve is often washer fluid draining back into the reservoir, leading to a delay in spray. If left unaddressed, the nozzles may eventually stop spraying altogether as pressure is lost. This can impair visibility in adverse weather conditions, increasing operational risk.
Before installing, ensure the fluid lines are clear of debris and that the valve is oriented correctly to allow proper fluid flow. Avoid overtightening the fittings, as this can crack the plastic housing.
Inspect the washer fluid pump and hoses for any signs of wear or leaks when replacing the check valve.