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 MOTORSERVICE AND REPAIR
1990 Chevrolet Lumina APV V6-191 3.1L
Wiper Motor: Service and Repair
1990 Chevrolet Lumina APV V6-191 3.1LSECTION Service and Repair
Fig. 16 Wiper Motor Removal:
1. Disconnect battery ground cable and wiper motor electrical connectors.
2. On 1990 models, remove wiper module as described under WIPER MODULE.
3. On all models, using a 8mm socket, loosen two crank arm socket screw and lockwasher assemblies until socket releases from crank arm ball as shown in Fig. 16. Do not remove crank arm from motor.
4. Using a 10mm socket remove three wiper motor attaching screws, then remove wiper motor from frame.
5. 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.