Chevrolet Silverado / GMC Sierra. Manual — part 1807

TURBOCHARGER EXHAUST PIPE REPLACEMENT (6.6L)

Removal Procedure

Fig. 56: View Of Upper Heat Shield & Bolts
Courtesy of GENERAL MOTORS CORP.

1. Remove the glow plug control module. Refer to Glow Plug Control Module

Replacement .

2. Remove the exhaust gas recirculation (EGR) valve cooler. Refer to Exhaust Gas

Recirculation Valve Cooler Replacement .

3. Remove the turbocharger upper heat shield bolts and shield.

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Exhaust - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado

Fig. 57: View Of Turbocharger Clamp Bolt
Courtesy of GENERAL MOTORS CORP.

4. Loosen the turbocharger exhaust pipe to turbocharger clamp bolt (1).

5. Remover the catalytic converter. Refer to Catalytic Converter Replacement (4.3L) or

Catalytic Converter Replacement (4.8L, 5.3L, 6.0L, 6.2L) or Catalytic Converter
Replacement (6.6L).

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Exhaust - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado

Fig. 58: View Of Fill Tube To Bellhousing Nuts
Courtesy of GENERAL MOTORS CORP.

6. Perform the following steps working through the wheelhouse opening, Remove the

transmission fluid fill tube to bellhousing nuts.

7. Position the transmission fluid fill tube to the right side of the vehicle. The tube does not

require removal from the transmission.

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Exhaust - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado

Fig. 59: View Of Turbocharger Exhaust Pipe Heat Shield & Bolts
Courtesy of GENERAL MOTORS CORP.

8. Remove the turbocharger exhaust pipe heat shield bolts and shield.

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Exhaust - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado