Fuel Feed Intermediate Pipe Replacement

Fig 1: Fuel Feed Intermediate Pipe

Courtesy of GENERAL MOTORS COMPANY

Callout	Component Name
WARNING: Refer to Gasoline/Gasoline Vapors Warning . Preliminary Procedure Remove the intake manifold cover. Refer to Intake Manifold Cover Replacement (LTG) , Intake Manifold Cover Replacement (LKW) . Remove the air cleaner resonator and outlet tube. Refer to Air Cleaner Resonator and Outlet Duct Replacement (LKW) . Remove the fuel pump cover. Refer to Fuel Pump Cover Replacement .
1	Fuel Pump Intermediate Pipe Fittings (Qty: 2) WARNING: Remove the fuel tank cap and relieve the fuel system pressure before servicing the fuel system in order to reduce the risk of personal injury. After you relieve the fuel system pressure, a small amount of fuel may be released when servicing the fuel lines, the fuel injection pump, or the connections. In order to reduce the risk of personal injury, cover the fuel system components with a shop towel before disconnection. This will catch any fuel that may leak out. Place the towel in an approved container when the disconnection is complete. CAUTION: Refer to Component Fastener Tightening Caution . Procedure Hand start both ends of the NEW fuel feed intermediate pipe (2). Tighten Tighten the fitting nut to the fuel rail to 15 (11 lb ft). Tighten the fitting nut to the fuel pump to 15 (11 lb ft). Tighten the fitting nut to the fuel rail a final pass to 30 (22 lb ft). Tighten the fitting nut to the fuel pump a final pass to 30 (22 lb ft).
2	Fuel Pump Intermediate Pipe NOTE: The threaded fuel pipes are one time use, always install a NEW fuel pump intermediate pipe.

Callout

Component Name

WARNING:

Refer to Gasoline/Gasoline Vapors Warning .

Preliminary Procedure

Remove the intake manifold cover. Refer to Intake Manifold Cover Replacement (LTG) , Intake Manifold Cover Replacement (LKW) .
Remove the air cleaner resonator and outlet tube. Refer to Air Cleaner Resonator and Outlet Duct Replacement (LKW) .
Remove the fuel pump cover. Refer to Fuel Pump Cover Replacement .

Fuel Pump Intermediate Pipe Fittings (Qty: 2)

WARNING:

Remove the fuel tank cap and relieve the fuel system pressure before servicing the fuel system in order to reduce the risk of personal injury. After you relieve the fuel system pressure, a small amount of fuel may be released when servicing the fuel lines, the fuel injection pump, or the connections. In order to reduce the risk of personal injury, cover the fuel system components with a shop towel before disconnection. This will catch any fuel that may leak out. Place the towel in an approved container when the disconnection is complete.

CAUTION:

Refer to Component Fastener Tightening Caution .

Procedure
Hand start both ends of the NEW fuel feed intermediate pipe (2).
Tighten

Tighten the fitting nut to the fuel rail to 15 (11 lb ft).
Tighten the fitting nut to the fuel pump to 15 (11 lb ft).
Tighten the fitting nut to the fuel rail a final pass to 30 (22 lb ft).
Tighten the fitting nut to the fuel pump a final pass to 30 (22 lb ft).

Fuel Pump Intermediate Pipe

NOTE:

The threaded fuel pipes are one time use, always install a NEW fuel pump intermediate pipe.