Chevrolet Silverado / GMC Sierra. Manual — part 1812

Tighten: Tighten the nuts to 40 N.m (30 lb ft).

11. Remove the support from the transmission.

12. Install the HO2S. Refer to Heated Oxygen Sensor Replacement - Bank 2 Sensor 1

(1500 Series) or Heated Oxygen Sensor Replacement - Bank 2 Sensor 1 (2500 Series)
or Heated Oxygen Sensor Replacement - Bank 2 Sensor 1 (2500 Series -
Cab/Chassis) .

EXHAUST PIPE REPLACEMENT - LEFT SIDE (6.6L)

Removal Procedure

2008 Chevrolet Silverado 1500

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

Fig. 76: View Of Left Exhaust Heat Shield & Nuts
Courtesy of GENERAL MOTORS CORP.

1. Remove the transmission. Refer to Transmission Replacement .

2. Remove the exhaust heat shield nuts (2) and heat shield (3) from the dash panel.

2008 Chevrolet Silverado 1500

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

Fig. 77: View Of Exhaust Outlet
Courtesy of GENERAL MOTORS CORP.

3. Remove the exhaust pipe heat shield bolts and shield.

2008 Chevrolet Silverado 1500

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

Fig. 78: Left Exhaust Pipe Bolts Removal Sequence
Courtesy of GENERAL MOTORS CORP.

4. Remove the exhaust pipe bolts in the sequence shown.

2008 Chevrolet Silverado 1500

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