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 DIAGNOSISTRANSMISSION AND DRIVETRAINAUTOMATIC TRANSMISSION/TRANSAXLETESTING AND INSPECTIONSYMPTOM RELATED DIAGNOSTIC PROCEDURESCHATTERS/SLIPS IN 1ST GEAR
1990 Chevrolet Lumina APV V6-191 3.1L
Chatters/Slips In 1ST Gear
1990 Chevrolet Lumina APV V6-191 3.1LSECTION Chatters/Slips In 1ST Gear
1. Low oil level
2. Restricted feed to forward clutch.
3. Burned clutch plates.
4. Drive sprocket support.
5. Incorrect case cover gasket.
2. Restricted feed to forward clutch.
3. Burned clutch plates.
4. Drive sprocket support.
5. Incorrect case cover gasket.
RENDER: 1.0x
NO RELATED
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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.