Fuel Injector and Fuel Rail Replacement

Fig 1: Fuel Injector And Fuel Rail

Courtesy of GENERAL MOTORS COMPANY

Callout	Component Name
Preliminary Procedures Relieve the fuel system pressure. Refer to Fuel Pressure Relief . Remove the intake manifold. Refer to Intake Manifold Replacement . Remove the fuel feed intermediate pipe. Refer to Fuel Feed Intermediate Pipe Replacement .
1	Fuel Injection Fuel Rail Fastener (Qty: 4) CAUTION: Refer to Fastener Caution . Tighten 25 N.m (18 lb ft)
2	Fuel Injection Fuel Rail Procedure Disconnect the electrical connector. Remove the fuel rail and injectors as an assembly. Refer to Fuel Rail and Injectors Removal . It is necessary to rebuild the fuel injectors. Refer to Fuel Rail and Injectors Cleaning and Inspection (LAF, LEA, or LUK) . Install the fuel rail and injectors as an assembly. Refer to Fuel Rail and Injectors Installation .

Callout

Component Name

Preliminary Procedures

Relieve the fuel system pressure. Refer to Fuel Pressure Relief .
Remove the intake manifold. Refer to Intake Manifold Replacement .
Remove the fuel feed intermediate pipe. Refer to Fuel Feed Intermediate Pipe Replacement .

Fuel Injection Fuel Rail Fastener (Qty: 4)

CAUTION:

Tighten
25 N.m (18 lb ft)

Fuel Injection Fuel Rail

Procedure

Disconnect the electrical connector.
Remove the fuel rail and injectors as an assembly. Refer to Fuel Rail and Injectors Removal .
It is necessary to rebuild the fuel injectors. Refer to Fuel Rail and Injectors Cleaning and Inspection (LAF, LEA, or LUK) .
Install the fuel rail and injectors as an assembly. Refer to Fuel Rail and Injectors Installation .