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 MANUALSCHEVROLET2006SUBURBAN C2500, 6.0 UREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1614 (ENGINE CONTROLS AND FUEL - 3.6L (LCS) - INTRODUCTION)REPAIR INSTRUCTIONSFUEL FEED PIPE REPLACEMENTINSTALLATION PROCEDURE
2006 Chevrolet Suburban C2500, 6.0 U
Installation Procedure
2006 Chevrolet Suburban C2500, 6.0 USECTION Installation Procedure
WARNING: This page is about a different car, the 2009 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
- Ensure that the fuel feed pipe and fuel pump fittings are clean and dry prior to assembly.
- Position the fuel feed pipe (2) to the cylinder head and high pressure fuel pump.
- Install the fuel feed pipe fitting to the high pressure fuel pump hand tight.
- Install the fuel feed pipe bolts (4).
- Tighten the bolts to 50 N.m (37 lb ft).
- Tighten the fitting to 28 N.m (20 lb ft).
- Connect the fuel feed line quick connect fitting to the fuel feed pipe (2). Refer to Fuel Pipe Shield ReplacementΒ .
- Inspect for leaks using the following procedure:
- Turn ON the ignition, with the engine OFF for 2 seconds.
- Turn OFF the ignition, for 10 seconds.
- Turn ON the ignition, with the engine OFF.
- Inspect for fuel leaks.
- Install the low side fuel pressure service port cap.
- Install the fuel tank cap.
- Install the radiator surge tank outlet pipe. Refer to Radiator Surge Tank Outlet Hose/Pipe Replacement (LY7) .
- Install the high pressure pump shield. Refer to Fuel Pipe Shield ReplacementΒ .
- Install the drive motor generator power inverter module. Refer to Drive Motor Generator Power Inverter Module Removal and Installation
CAUTION:
Refer to Fastener Caution
.
NOTE:
If a fuel leak accrues at the high pressure fuel pump, the pump will need to be replaced.
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:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.