Chevrolet Silverado / GMC Sierra. Manual - part 126
7. Remove the camshaft position sensor O-ring seal and discard.
Fig. 422: Engine Front Cover
Courtesy of GENERAL MOTORS CORP.
8. Remove the engine front cover bolts.
2008 Chevrolet Silverado 1500
2008 ENGINE Engine Mechanical - 4.3L - Sierra & Silverado
9. Remove the engine front cover.
10. Discard the engine front cover.
TIMING CHAIN AND SPROCKETS REMOVAL
Special Tools
J 5825-A Crankshaft Gear Remover. See Special Tools.
Removal
IMPORTANT: After the composite engine front cover is removed do not
reinstall the engine front cover. Always install a NEW engine
front cover.
2008 Chevrolet Silverado 1500
2008 ENGINE Engine Mechanical - 4.3L - Sierra & Silverado
Fig. 423: View Of Crankshaft Position Sensor Reluctor Ring
Courtesy of GENERAL MOTORS CORP.
1. Remove the crankshaft position sensor reluctor ring.
2008 Chevrolet Silverado 1500
2008 ENGINE Engine Mechanical - 4.3L - Sierra & Silverado
Fig. 424: View Of Timing Chain Tensioner Bracket, Bolt & Shoe
Courtesy of GENERAL MOTORS CORP.
2. Remove the timing chain tensioner shoe (229) using a downward motion.
3. Remove the timing chain tensioner bracket bolt and bracket (227 and 228).
2008 Chevrolet Silverado 1500
2008 ENGINE Engine Mechanical - 4.3L - Sierra & Silverado