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.
2002 Chevrolet Venture PlusFACTORY OEM SERVICE PROCEDURE
Fuel Leaks Outside Of Engine (6.6L)
NOTE:
For component locations, see COMPONENT LOCATIONS .
- Remove upper intake manifold sight shield using following procedure:
- Remove retaining bolt in front of shield.
- Lift up on front of shield.
- Lift shield off rear bracket.
- Clean all fuel lines between fuel injection pump and fuel injectors using brake cleaning solvent, and let dry.
- Add 8 ounces of oil dye to fuel tank. On dual tanks, add dye to front, or primary tank.
- Connect scan tool to Data Link Connector (DLC).
- Start and idle engine for 3-5 minutes.
- Command fuel pressure control to 23,206 psi (160 MPa) with scan tool.
- Inspect for fuel leaks around fuel injection pump, junction block, fuel rails, and fuel injector supply lines with High Intensity Black Light Kit (J 28428-E). Tighten or replace any leaking lines or components. See 6.6L V8 DIESEL article in ENGINES, or appropriate REMOVAL, OVERHAUL & INSTALLATION article.
Factory Service Tools
Use the Manual With the Right Hardware
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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.
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