Installation Procedure

WARNING: This page is about a different variant/trim than selected.

Install the fuel cooler (1).

Fig 1: Fuel System Cooler (Cab/Chassis)
Courtesy of GENERAL MOTORS CORP.

NOTE: Refer to Fastener Notice in Cautions and Notices.
Install the fuel cooler nuts (2).
Tighten: Tighten the nuts to 40 N.m (30 lb ft).
Connect the fuel lines at the fuel cooler (1). Refer to Quick Connect Fitting(s) Service (Metal Collar) .
Lower the vehicle.
Prime the fuel system. Refer to Fuel System Priming .
Start the engine. If the engine stalls, repeat the above step.
Once the engine starts, inspect for fuel leaks.