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 455 (ENGINE MECHANICAL)REPAIR INSTRUCTIONSOFF-VEHICLE REPAIR INSTRUCTIONSENGINE FRONT COVER REMOVAL

1999 GMC Forward Control 5.7 R, Automatic

Engine Front Cover Removal

1999 GMC Forward Control 5.7 R, AutomaticSECTION Engine Front Cover Removal

WARNING: This page is about a different car, the 2003 Pontiac Aztek and 2003 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.

Remove the crankshaft position sensor wiring bracket bolt.
Remove the crankshaft position sensor wiring bracket.

Fig 1: Removing Crankshaft Position Sensor Wiring Bracket
Courtesy of GENERAL MOTORS CORP.
Remove the engine front cover bolts (1), (2), and (3).
Remove the engine front cover.
Remove the engine front cover gasket.

Fig 2: Removing Engine Front Cover
Courtesy of GENERAL MOTORS CORP.

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.