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 160 (ENGINE CONTROLS - REMOVAL & INSTALLATION)FUEL SYSTEMS (GASOLINE)FUEL LINE QUICK CONNECT FITTINGSREMOVAL (WITH PLASTIC COLLAR)
1999 GMC Forward Control 5.7 R, Automatic
Removal (With Plastic Collar)
1999 GMC Forward Control 5.7 R, AutomaticSECTION Removal (With Plastic Collar)
WARNING: This page is about a different car, the 2003 Pontiac Sunfire and 2003 Chevrolet Cavalier. However, it is still accessible from the selected car via links, so may be relevant.
- Release fuel system pressure. See FUEL SYSTEM PRESSURE RELEASE (GASOLINE) .
- Blow dirt out of the fitting using compressed air.
- Squeeze the plastic tabs of the male end connector. See Fig 1.
- Pull the connection apart.
- Using a clean shop towel, wipe off the male pipe end. Check both ends of the fitting for dirt and burrs.
- If necessary, remove rust or burrs from the fuel pipes using an emery cloth. Use a radial motion with the fuel pipe end to prevent damage to the "O" ring sealing surface. Clean or replace the components and assemblies as required.
WARNING:
Wear safety glasses when using compressed air. Flying dirt particles may cause eye injury.
RENDER: 1.0x
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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.