Chevrolet Silverado / GMC Sierra. Service manual — part 1831

Fig. 148: View Of Front HO2S, Electrical Connector & CPA Retainer
Courtesy of GENERAL MOTORS CORP.

8. Connect the engine wiring harness electrical connector (2) to the left front HO2S (1)

electrical connector.

9. Install the CPA retainer (3) to the left front HO2S.

2008 Chevrolet Silverado 1500

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

Fig. 149: View Of Exhaust Muffler, Exhaust Manifold Pipe, Gasket & Nuts
Courtesy of GENERAL MOTORS CORP.

10. Tighten the exhaust muffler clamp (3).

Tighten: Tighten the clamp to 47 N.m (35 lb ft).

11. Install any necessary exhaust muffler insulators that were separated from the muffler.

12. Remove the jack stand from under the muffler.

2008 Chevrolet Silverado 1500

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

Fig. 150: View Of Transmission Support Crossmember & Bolts
Courtesy of GENERAL MOTORS CORP.

13. Position the transmission support crossmember.

14. Install the transmission support crossmember bolts.

Tighten: Tighten the bolts to 95 N.m (70 lb ft).

2008 Chevrolet Silverado 1500

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

Fig. 151: Identifying Transmission Mount Nuts
Courtesy of GENERAL MOTORS CORP.

15. Using the transmission jack, lower the transmission onto the transmission support.

16. Install the transmission mount to transmission support nuts.

2008 Chevrolet Silverado 1500

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