Installation Procedure

Fig 1: View Of Common Rail Assembly And Bolts

Courtesy of GENERAL MOTORS CORP.

NOTE:

Use care when servicing the fuel system components, especially the fuel injector electrical connectors, the fuel injector tips, and the injector O-rings. Plug the inlet and the outlet ports of the fuel rail in order to prevent contamination.
Do not use compressed air to clean the fuel rail assembly as this may damage the fuel rail components.
Do not immerse the fuel rail assembly in a solvent bath in order to prevent damage to the fuel rail assembly.

IMPORTANT: Do not reuse the fuel pipes. If reused, the contaminated pipes may be damage the injectors or cause leaks from the pipes.

NOTE: Refer to Fastener Notice .

Install the common rail assembly.
Tighten: Tighten the common rail retaining bolts to 25 N.m (18.4 lb in) .

Fig 2: Identifying Fuel Injection Fuel Rail Assembly And Components

Courtesy of GENERAL MOTORS CORP.

Install the fuel pipes to the common rail. Refer to Fuel Injector Fuel Feed Pipe Replacement .
Connect the common rail pressure sensor connector.
Connect the common rail regulator connector.
Prime the fuel system. Refer to Fuel System Priming .