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 561 (BODY FRONT END)REPAIR INSTRUCTIONSAIR INLET GRILLE PANEL 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 2004 Pontiac Aztek and 2004 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.
- Open the hood.
- Remove the windshield wiper arms. Refer to Wiper Arm Replacement in Wiper Washer Systems.
- Reposition the windshield wiper washer hose from the air inlet grille.
- Remove the push-in retainers from the air inlet grille, using the J 38778 . See Special Tools and Equipment .
- Remove the air inlet grille extensions from the air inlet grille at the windshield.
Pull up and out in order to release the retainers on the air inlet grille extensions.
- Remove the air inlet grille from the vehicle.
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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.