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Chevrolet Silverado / GMC Sierra. Manual - part 2172
Fig. 202: View Of CMP Actuator Alignment Mark & Crankshaft Sprocket
Alignment Mark
Courtesy of GENERAL MOTORS CORP.
13. Inspect the sprockets for proper alignment. The mark on the CMP actuator sprocket (1)
should be located in the 6 o'clock position and the mark on the crankshaft sprocket (2)
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
should be located in the 12 o'clock position.
Fig. 203: View Of Timing Chain Tensioner Bolt
Courtesy of GENERAL MOTORS CORP.
14. Install the right side bolt (231) into the timing chain tensioner.
Tighten: Tighten the timing chain tensioner 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
Fig. 204: View Of Special Tool EN 46330
Courtesy of GENERAL MOTORS CORP.
15. Remove 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. 205: View Of Flex Plate & Bolts
Courtesy of GENERAL MOTORS CORP.
16. Temporarily install the automatic transmission flex plate and bolts. Refer to Automatic
Transmission Flex Plate Installation .
IMPORTANT: Do not apply threadlock to the flex plate bolts at this time.
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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