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 MANUALSGMC1999FORWARD CONTROL 5.7 R, AUTOMATICREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 683 (ENGINE MECHANICAL - 3.1L)REPAIR INSTRUCTIONSON-VEHICLE REPAIR INSTRUCTIONSENGINE FLYWHEEL REPLACEMENTREMOVAL PROCEDURE
1999 GMC Forward Control 5.7 R, Automatic
Removal Procedure
1999 GMC Forward Control 5.7 R, AutomaticSECTION Removal Procedure
WARNING: This page is about a different car, the 2003 Pontiac Grand Prix. However, it is still accessible from the selected car via links, so may be relevant.
- Remove the automatic transaxle.
- Use the J 37096 to secure the flywheel in order to prevent the crankshaft from rotating.
- Loosen the 6 flywheel bolts.
- Remove 5 of the 6 flywheel bolts leaving 1 bolt at the top of the crankshaft rotation.
- Grip the flywheel and remove the remaining bolt.
Do not drop the flywheel when removing the final bolt.
- Remove the engine flywheel retainer and the flywheel.
- Clean the engine flywheel bolt threads and bolt holes.
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.