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 MANUALSCHEVROLET1990LUMINA APV V6-191 3.1LREPAIR AND DIAGNOSISWIPER AND WASHER SYSTEMSWIPER GEAR BOXSERVICE AND REPAIR
1990 Chevrolet Lumina APV V6-191 3.1L
Wiper Gear Box: Service and Repair
1990 Chevrolet Lumina APV V6-191 3.1LSECTION Service and Repair
Fig. 17 Wiper Transmission Removal:
1. Remove wiper module as described under WIPER MODULE.
2. Using 8 mm socket, loosen six socket screw and lockwasher assemblies until each of three sockets releases from respective ball, Fig. 17.
3. Using 10 mm socket, remove three bell crank housing screws.
4. Reverse procedure to install.
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.