Chevrolet Silverado / GMC Sierra. Manual — part 646
Fig. 112: Exhaust Pipe To Exhaust Manifold Bolt Tightening Sequence -- Right Side
Courtesy of GENERAL MOTORS CORP.
4. Install the exhaust pipe to exhaust manifold bolts in sequence.
Tighten: Tighten the exhaust pipe bolts to 53 N.m (39 lb ft) in sequence.
Tighten: Tighten the exhaust pipe to EGR cooler nuts to 26 N.m (19 lb ft).
NOTE:
Refer to Fastener Notice .
2008 Chevrolet Silverado 1500
2008 ENGINE Engine Mechanical - 6.6L - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
EXHAUST OUTLET INSTALLATION
Fig. 113: View Of Exhaust Outlet
Courtesy of GENERAL MOTORS CORP.
1. Install the exhaust outlet.
2. Install the exhaust outlet clamp.
NOTE:
Refer to Fastener Notice .
2008 Chevrolet Silverado 1500
2008 ENGINE Engine Mechanical - 6.6L - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
Tighten: Tighten the exhaust outlet clamp to 15 N.m (11 lb ft).
Fig. 114: View Of Exhaust Outlet Heat Shield
Courtesy of GENERAL MOTORS CORP.
3. Install the exhaust outlet to right exhaust pipe bracket bolt.
Tighten: Tighten the exhaust outlet to right exhaust pipe bracket bolt to 34 N.m (25 lb ft).
4. Install the exhaust outlet heat shield.
5. Install the exhaust outlet heat shield bolts.
Tighten: Tighten the exhaust outlet heat shield bolts to 10 N.m (89 lb in).
2008 Chevrolet Silverado 1500
2008 ENGINE Engine Mechanical - 6.6L - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
CRANKSHAFT REAR OIL SEAL INSTALLATION
Tools Required
Installation
J 44642 Crankshaft Rear Oil Seal Installer. See Special Tools .
Fig. 115: Pressing Crankshaft Rear Oil Seal In Using J 44642
Courtesy of GENERAL MOTORS CORP.
1. Place the crankshaft rear oil seal onto the crankshaft.
IMPORTANT: The J 44642 must be fully secured to the crankshaft to
ensure proper seal depth. See Special Tools .
2008 Chevrolet Silverado 1500
2008 ENGINE Engine Mechanical - 6.6L - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
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