Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCHEVROLET1985STEP VAN P20, 6.2 J, AUTOMATIC, 475/M40REPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTWIPER/WASHER SYSTEMSWIPER/WASHER SYSTEM - SQUARE MOTOROVERHAULWASHER PUMPDISASSEMBLY
1985 Chevrolet Step Van P20, 6.2 J, Automatic, 475/M40
Washer Pump: Disassembly
1985 Chevrolet Step Van P20, 6.2 J, Automatic, 475/M40SECTION Disassembly
- Squeeze solenoid cover and remove. Remove ratchet dog retaining screw. Hold solenoid plunger in position and lift solenoid assembly and ratchet dog from pump frame. Separate ratchet dog from solenoid mounting plate.
- Disconnect ratchet pawl spring, remove pawl retaining ring and slide ratchet pawl off cam follower shaft. Remove ratchet dog from pump frame, move ratchet wheel spring out of shaft groove and slide ratchet wheel off its shaft.
- Separate pump and pump actuator plate from frame by pulling pump housing until grooves in housing clear frame. Remove actuator plate from ratchet wheel and cam follower shafts. Remove screws attaching valve assembly to pump housing and remove valve.
RENDER: 1.0x
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.