Chevrolet Silverado / GMC Sierra. Service manual — part 550

Fig. 87: View Of Turbocharger Outlet Coolant Pipe
Courtesy of GENERAL MOTORS CORP.

4. Loosen the hose clamp and remove the turbocharger cooling outlet hose.

IMPORTANT: Use care not to damage this hose during the procedure.

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Mechanical - 6.6L - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado

Fig. 88: View Of Turbocharger W/Oil Return Pipe
Courtesy of GENERAL MOTORS CORP.

5. Remove the turbocharger mounting bolts.

6. Remove the turbocharger assembly with the oil return pipe.

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Mechanical - 6.6L - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado

Fig. 89: View Of Oil Feed Pipe Bolt, Washer & Pipe
Courtesy of GENERAL MOTORS CORP.

7. Remove the turbocharger lower heat shield from engine block.

NOTE:

Do not twist the turbocharger oil feed pipe. Twisting of the feed
pipe will result in the collapse and deformation of the plastic
pipe, restricting oil flow and causing turbocharger damage.
During turbocharger replacement, gently push the oil feed pipe
towards the front of the engine to clear the turbocharger.
Assistance may be required to keep the pipes clear of the

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Mechanical - 6.6L - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado

8. Remove the turbocharger oil supply hose eye bolt and washers.

9. Remove the turbocharger oil supply hose.

FUEL PIPES AND FUEL RAIL REMOVAL

Fig. 90: View Of Fuel Feed Pipe & Bolts
Courtesy of GENERAL MOTORS CORP.

1. Remove the fuel feed pipe attaching nuts and bolts.

2. Remove the fuel feed pipe.

turbocharger during removal or installation.

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Mechanical - 6.6L - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado