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/TRANSAXLESPECIFICATIONSMECHANICAL SPECIFICATIONS
1990 Chevrolet Lumina APV V6-191 3.1L
Mechanical Specifications
1990 Chevrolet Lumina APV V6-191 3.1LSECTION Mechanical Specifications
Case cover to case 24 Nm (18 lbs. ft.)
Case to drive sprocket support 24 Nm (18 lbs. ft.)
Cooler connector 31 Nm (23 lbs. ft.)
Governor cover to case 11 Nm (8 lbs. ft.)
Intermediate servo cover 11 Nm (8 lbs. ft.)
Line pressure take-off 11 Nm (8 lbs. ft.)
Manual detent spring assembly to case 11 Nm (8 lbs. ft.)
Oil pan and valve body cover 11 Nm (8 lbs. ft.)
Parking lock bracket to case 24 Nm (18 lbs. ft.)
Reverse pipe retainer to case 24 Nm (18 lbs. ft.)
Pressure switch 11 Nm (8 lbs. ft.)
Pump cover to case cover
6mm 11 Nm (8 lbs. ft.)
8mm 24 Nm (18 lbs. ft.)
Pump cover to valve body 11 Nm (8 lbs. ft.)
Solenoid to valve body 11 Nm (8 lbs. ft.)
Speedometer driven gear to governor cover 8 Nm (75 lbs. in.)
TV cable to case 8 Nm (75 lbs. in.)
Valve body to case 24 Nm (18 lbs. ft.)
Valve body to case cover 11 Nm (8 lbs. ft.)
Valve body to driven sprocket support 24 Nm (18 lbs. ft.)
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.