Chevrolet Silverado / GMC Sierra. Manual - part 129
Fig. 433: Balance Shaft
Courtesy of GENERAL MOTORS CORP.
5. Use a soft-faced hammer in order to remove the balance shaft from the engine block.
CAMSHAFT REMOVAL
IMPORTANT: The balance shaft and the balance shaft front bearing are
serviced only as a package. Do not remove the balance shaft
front bearing from the balance shaft.
2008 Chevrolet Silverado 1500
2008 ENGINE Engine Mechanical - 4.3L - Sierra & Silverado
Fig. 434: View Of Camshaft Retainer & Bolts
Courtesy of GENERAL MOTORS CORP.
1. Remove the camshaft retainer bolts and retainer.
2008 Chevrolet Silverado 1500
2008 ENGINE Engine Mechanical - 4.3L - Sierra & Silverado
Fig. 435: View Of Engine Camshaft Front Bolts
Courtesy of GENERAL MOTORS CORP.
NOTE:
All camshaft journals are the same diameter, so care must be
used in removing or installing the camshaft to avoid damage to
the camshaft bearings.
2008 Chevrolet Silverado 1500
2008 ENGINE Engine Mechanical - 4.3L - Sierra & Silverado
2. Remove the engine camshaft.
1. Install the three 5/16-18 x 4.0 inch bolts into the engine camshaft front bolt holes.
2. Using the bolts as a handle, carefully rotate and pull the engine camshaft out of the
camshaft bearings.
3. Remove the bolts from the front of the engine camshaft.
PISTON, CONNECTING ROD, AND BEARING REMOVAL
Tools Required
J 24270 Cylinder Bore Ridge Reamer. See Special Tools.
Removal
IMPORTANT: Powdered metal connecting rod, piston, and piston pin are to
be serviced as an assembly.
2008 Chevrolet Silverado 1500
2008 ENGINE Engine Mechanical - 4.3L - Sierra & Silverado