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.
SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSGMC1999FORWARD CONTROL 5.7 R, AUTOMATICREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 249 (ENGINE CONTROLS - REMOVAL & INSTALLATION)FUEL SYSTEMSFUEL LINE DISCONNECT FITTINGSREMOVAL (QUICK-CONNECT FITTING - WITH PLASTIC COLLAR)
1999 GMC Forward Control 5.7 R, Automatic
Removal (Quick-Connect Fitting - With Plastic Collar)
1999 GMC Forward Control 5.7 R, AutomaticSECTION Removal (Quick-Connect Fitting - With Plastic Collar)
WARNING: This page is about a different car, the 2003 Pontiac Bonneville, 2003 Buick Park Avenue, and 2003 Buick LeSabre. However, it is still accessible from the selected car via links, so may be relevant.
- Release fuel system pressure. See FUEL SYSTEM PRESSURE RELEASE . Using compressed air, blow any dirt out of the quick-connect fitting.
- Squeeze the plastic tabs of the male end connector. See Figure. Pull the connection apart. Using a clean shop towel, wipe off the male pipe end. Inspect both ends of the fitting for dirt and burrs.
- If necessary, remove rust or burrs from the fuel pipes with an emery cloth. Use a radial motion with the fuel pipe end in order 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, as flying dirt particles may cause eye injury. Blow dirt out of the fitting using compressed air.
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
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.