Installation Procedure

Fig 1: View Of Fuel Injector, Clip & O-Rings

Courtesy of GENERAL MOTORS CORP.

Lightly lubricate the new lower fuel injector O-ring seals (4) with mineral oil GM P/N 9981704.
Install the NEW O-ring seals (4) on the spray tip end of each fuel injector (3).

Fig 2: Identifying Fuel Rail Assembly

Courtesy of GENERAL MOTORS CORP.

Position the fuel rail to the cylinder head, inserting the spray tip ends of the fuel injectors.

CAUTION: Refer to Fastener Caution .

Fig 3: View Of ECT Sensor, Fuel Injector, Ignition Coil & HO2S Engine Wiring Harness Electrical Connectors

Courtesy of GENERAL MOTORS CORP.

Connect the fuel injector harness connector (2) to the engine wiring harness electrical connector.
Install the intake manifold. Refer to Intake Manifold Replacement .

Fig 4: View Of EVAP Canister Purge Pipe, Throttle Body Module & EVAP Canister Purge Solenoid Valve

Courtesy of GENERAL MOTORS CORP.

Refer to Plastic Collar Quick Connect Fitting Service in order to connect the EVAP purge hose (1) to the following:
- The throttle control module (2)
- The EVAP canister purge solenoid valve (3)

Fig 5: Identifying Fuel Feed Lines, Connections & Clips

Courtesy of GENERAL MOTORS CORP.

Connect the fuel feed line to the fuel rail. Refer to Metal Collar Quick Connect Fitting Service .
Engage the fuel feed quick connect locking clip (1).
Inspect for leaks.
1. Turn ON the ignition, with the engine OFF for 2 seconds.
2. Turn OFF the ignition for 10 seconds.
3. Turn ON the ignition, with the engine OFF.
4. Inspect for fuel leaks.