Installation Procedure

WARNING: This page is about a different car, the 2009 GMC Canyon and 2009 Chevrolet Colorado. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Lubricating New Lower O-Ring Seals

Courtesy of GENERAL MOTORS CORP.

Lightly lubricate the NEW lower O-ring seals with mineral oil GM P/N 9981704.
Install the NEW O-ring seals onto the tip of each injector.

Fig 2: View Of Fuel Rail Bolts

Courtesy of GENERAL MOTORS CORP.

Position the fuel rail to the cylinder head, insert the spray tip ends of the fuel injectors into the cylinder head.
Push in the fuel rail until the rail is properly seated.

CAUTION: Refer to Fastener Caution .

Install the fuel rail bolts.
Tighten: Tighten the bolts to 10 N.m (89 lb in).

Fig 3: View Of Engine Fuel Injector. Oxygen Sensor And ECT Sensor Electrical Connector

Courtesy of GENERAL MOTORS CORP.

Connect the engine wiring harness electrical connector to the fuel injector harness electrical connector (1).
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.

Connect the EVAP purge tube to the throttle body control module (2) and the EVAP canister purge solenoid valve (3). Refer to Plastic Collar Quick Connect Fitting Service .

Fig 5: Identifying Fuel Feed Line Quick Connect Fitting

Courtesy of GENERAL MOTORS CORP.

Connect the fuel feed line quick connect fitting (1) to the fuel rail. Refer to Metal Collar Quick Connect Fitting Service .
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.