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/TRANSAXLEBAND APPLY SERVOSERVICE AND REPAIRINTERMEDIATE SERVO
1990 Chevrolet Lumina APV V6-191 3.1L
Intermediate Servo
1990 Chevrolet Lumina APV V6-191 3.1LSECTION Intermediate Servo
Refer to "No Second Gear" in the "Service Bulletins" section prior to performing the following procedure.
1. Raise and support vehicle.
2. Remove oil pan and gasket, then remove screen and O-ring.
3. Remove reverse oil pipe retaining brackets, intermediate servo cover and gasket.
4. Remove intermediate servo assembly.
5. Reverse procedure to install. Refer to "Torque Specifications Chart" for torque values.
1. Raise and support vehicle.
2. Remove oil pan and gasket, then remove screen and O-ring.
3. Remove reverse oil pipe retaining brackets, intermediate servo cover and gasket.
4. Remove intermediate servo assembly.
5. 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.