Fuel Hose Replacement - Fuel Injection Pump to Fuel Feed Block for GMC Truck Terrain 2009

Warning: Gasoline or gasoline vapors are highly flammable. A fire could occur if an ignition source is present. Never drain or store gasoline or diesel fuel in an open container, due to the possibility of fire or explosion. Have a dry chemical (Class B) fire extinguisher nearby.

1. Remove the engine cover. Refer to Engine Cover Replacement.
2. Remove the charge air system pipes. Refer to Charge Air Cooler Inlet Pipe and Outlet Pipe Replacement.




Note: To avoid fuel spillage or damage to the injector pipe connector, hold the injector pipe connector using tools and unscrew the pipe nut. And then, put a cap on the injector connector to avoid contamination from dust as soon as the fuel pipes are removed.

3. Hold the injection pump pipe connector with a wrench (1) and unscrew the fuel pipe-to-common rail nut (M14).



4. Unscrew the fuel pipe-to-common rail nut (M17)
5. Remove the fuel pipe-to-common rail retaining bolt from the thermostat housing.

Note: Put a cap on the common rail pipe threads to avoid contamination from dust as soon as the pipes are removed.

6. Remove the fuel pipe-to-common rail.

Note: Do not reuse the fuel pipes. If reused, the contaminated pipes may damage the injectors or cause leak from the pipes.

1. Clean the common rail pipe threads, if contaminated.
2. Install the fuel pipe and tighten the nuts by hand between the common rail and the injection pump.

Caution: Refer to Fastener Caution in the Preface section.

3. Hold the injection pump pipe connector with a wrench (1) and tighten the fuel pipe-to-common rail nut (M14) to 20 N·m (14.8 lb ft).
4. Tighten the fuel pipe-to-common rail nut (M17) to 20 N·m (14.8 lb ft).