Sierra 2500 4WD V8-6.6L DSL Turbo (2007)
Fuel Cooler: Service and Repair
Fuel Cooler Replacement (Pickup)
Fuel Cooler Replacement (Pickup)
Removal Procedure
1. Raise and suitably support the vehicle. Refer to Vehicle Lifting.
2. Disconnect the fuel lines at the cooler (1).
3. Remove the fuel cooler bolts (4, 6).
4. Remove the fuel cooler (1).
5. Remove the fuel cooler support bracket bolt (2, 5), and bracket (3) from the fuel cooler (1), if necessary.
Installation Procedure
Notice: Refer to Fastener Notice.
1. Install the fuel cooler support bracket (3), and bolts (2, 5) to the fuel cooler (1), if necessary.
Tighten the bolts to 18 N.m (13 lb ft).
2. Install the fuel cooler (1) to the chassis and crossover.
3. Install the fuel cooler bolts (4, 6).
Tighten the bolts to 18 N.m (13 lb ft).
4. Connect the fuel lines at the fuel cooler (1).
5. Lower the vehicle.
6. Prime the fuel system. Refer to Fuel System Priming.
7. Start the engine. If the engine stalls, repeat the above step.
8. Once the engine starts, inspect for fuel leaks.
