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/TRANSAXLEGOVERNORSERVICE AND REPAIR
1990 Chevrolet Lumina APV V6-191 3.1L
Governor: Service and Repair
1990 Chevrolet Lumina APV V6-191 3.1LSECTION Service and Repair
1. Raise and support vehicle.
2. Remove engine to transaxle brace attaching bolts, then the heat shield if equipped.
3. Remove speedometer cable or wire connector from transaxle.
4. Remove speedometer driven gear and sleeve assembly or speed sensor if equipped.
5. Remove governor cover and O-ring.
6. Remove speedometer drive gear thrust washer and gear, then the governor assembly, Fig. 3.
7. Reverse procedure to install. Refer to "Torque Specifications Chart" for torque values.
2. Remove engine to transaxle brace attaching bolts, then the heat shield if equipped.
3. Remove speedometer cable or wire connector from transaxle.
4. Remove speedometer driven gear and sleeve assembly or speed sensor if equipped.
5. Remove governor cover and O-ring.
Fig. 3, Governor assembly:
6. Remove speedometer drive gear thrust washer and gear, then the governor assembly, Fig. 3.
7. Reverse procedure to install. Refer to "Torque Specifications Chart" for torque values.
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.