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Chevrolet Silverado / GMC Sierra. Manual - part 2040
Fig. 37: View Of Crankshaft Sprocket
Courtesy of GENERAL MOTORS CORP.
3. Install the crankshaft sprocket (207) onto the front of the crankshaft. Align the crankshaft
key with the crankshaft sprocket keyway.
2008 Chevrolet Silverado 1500
2008 ENGINE Engine Mechanical - 4.8L, 5.3L, 6.0L, 6.2L, or 7.0L - Cab & Chassis Sierra, Cab & Chassis Silverado,
Sierra & Silverado
Fig. 38: View Of Crankshaft Sprocket & Installer
Courtesy of GENERAL MOTORS CORP.
4. Use the J 41478 (1) and the J 41665 (2) in order to install the crankshaft sprocket. See
Special Tools . Install the sprocket onto the crankshaft until fully seated against the
crankshaft flange.
2008 Chevrolet Silverado 1500
2008 ENGINE Engine Mechanical - 4.8L, 5.3L, 6.0L, 6.2L, or 7.0L - Cab & Chassis Sierra, Cab & Chassis Silverado,
Sierra & Silverado
Fig. 39: View Of Compressed Tensioner
Courtesy of GENERAL MOTORS CORP.
5. Compress the timing chain tensioner guide and install the EN 46330 . See Special Tools .
2008 Chevrolet Silverado 1500
2008 ENGINE Engine Mechanical - 4.8L, 5.3L, 6.0L, 6.2L, or 7.0L - Cab & Chassis Sierra, Cab & Chassis Silverado,
Sierra & Silverado
Fig. 40: View Of Timing Chain Tensioner
Courtesy of GENERAL MOTORS CORP.
6. Install the timing chain tensioner (232) and bolts (231).
Tighten: Tighten the bolts to 25 N.m (18 lb ft).
2008 Chevrolet Silverado 1500
2008 ENGINE Engine Mechanical - 4.8L, 5.3L, 6.0L, 6.2L, or 7.0L - Cab & Chassis Sierra, Cab & Chassis Silverado,
Sierra & Silverado
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