Escalade V8-5.7L VIN R (2000)
Steel Fuel Pipe Repair
1. Cut a piece of fuel hose 4 inches (100 mm) longer than the section of pipe to be removed. If you remove more than 6 inches (152 mm), use a
combination of steel pipe and hose. The hose length should not be more than 10 inches total.
2. With a tube cutter, cut a section of the pipe to replace. Use the first step on the reamer to form a bead on the ends of the pipe and on the new
section of pipe, if used.
3. Slide the hose clamps onto the pipe and push the hose 2 inches (51 mm) onto each portion of the fuel pipe. Tighten a clamp on each side of the
repair.
4. Secure fuel pipe to the frame.
5. Inspect for leaks.
5.1. Turn ON the ignition for 2 seconds.
5.2. Turn OFF the ignition for 10 seconds.
5.3. Turn ON the ignition.
5.4. Inspect for fuel leaks.
Fuel Vapor Pipes
REMOVAL PROCEDURE
NOTE:
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Do not attempt to straighten kinked nylon pipes. Replace any kinked nylon pipes in order to prevent damage to the vehicle.
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Do not attempt to repair sections to nylon pipes. Replace damaged nylon pipes.
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Replace the vapor pipes with original equipment or parts that meet GM specifications.
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Replace the vapor hoses with original equipment or parts meeting GM specifications. Use only reinforced fuel-resistant hose identified with the
word Fluoroelastomer or GM 6163M on the hose.
CAUTION: Refer to Battery Disconnect Caution in Service Precautions.
1. Disconnect the negative battery cable.
2. Relieve the fuel system pressure. Refer to Fuel Pressure Relief Procedure.
CAUTION: Refer to Vehicle Lifting Caution in Service Precautions.
3. Raise the vehicle. Refer to Lifting and Jacking the Vehicle in Vehicle Lifting.
4. Disconnect the fittings (1) at the engine compartment fuel feed and return pipes.
5. Disconnect the fuel pipe attaching hardware (2).
6. Disconnect the fuel feed and return pipe fittings at the fuel filter and the return pipe union (3).
7. Remove the fuel tank.
