Installation Procedure

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

Clean the common rail pipe threads, if contaminated.
Install the fuel pipe and tighten the nuts by hand between the common rail and the injection pump.

NOTE: Refer to Fastener Notice .

Fig 1: View Of Fuel Pipe-To-Common Rail Nut Tightening Procedure

Courtesy of GENERAL MOTORS CORP.

Hold the injection pump pipe connector with a wrench (1) and tighten the fuel pipe-to-common rail nut (M14).
Tighten: Tighten the fuel pipe-to-common rail nut (M14) to 20 N.m (14.8 lb ft) .
Tighten the fuel pipe-to-common rail nut (M17).
Tighten: Tighten the fuel pipe-to-common rail nut (M17) to 20 N.m (14.8 lb ft) .