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 MANUALSCHEVROLET1989CAPRICE BASE, 4.3 Z, 700R4/MD8REPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTWIPER/WASHER SYSTEMSWIPER/WASHER SYSTEM (RWD)REMOVAL & INSTALLATIONWASHER PUMP (STANDARD SYSTEM)INSTALLATION
1989 Chevrolet Caprice Base, 4.3 Z, 700R4/MD8
Washer Pump (Standard System): Installation
1989 Chevrolet Caprice Base, 4.3 Z, 700R4/MD8SECTION Installation
- Wiper motor must be in the park position prior to installing washer pump. See Figure. Rotate cam lobe until index hole in cam is aligned with mounting plate. Install locator pin through pump cover and into hole of cam. See Figure.
- Install washer pump on wiper motor so drive pin slot of cam lobe aligns over drive pin. See Figure. Install washer pump bolts. Remove locator pin and install wiring connector. Check operation. If knocking noise is heard, this indicates cam is not properly engaged. Install pump cover.
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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.