Chevrolet Silverado / GMC Sierra. Service manual — part 123

Fig. 410: View Of Valve Lifter Pushrod Guides
Courtesy of GENERAL MOTORS CORP.

1. Remove the bolts and valve lifter pushrod guide.

IMPORTANT: Place the components in a rack so that the components can

be reinstalled to their original location.

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Mechanical - 4.3L - Sierra & Silverado

Fig. 411: View Of Valve Lifters
Courtesy of GENERAL MOTORS CORP.

2. Remove the valve lifters.

IMPORTANT: Place the valve lifters in the rack in the upright position in

order to maintain the oil inside the valve lifters.

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Mechanical - 4.3L - Sierra & Silverado

Fig. 412: Using J 3049-A To Remove Sticking Valve Lifters
Courtesy of GENERAL MOTORS CORP.

3. Use the J 3049-A in order to remove the stuck valve lifters. See Special Tools.

OIL PAN REMOVAL

IMPORTANT: Some valve lifters may be stuck in the valve lifter bores

because of gum or varnish deposits and may require the use
ofJ 3049-A for removal. See Special Tools.

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Mechanical - 4.3L - Sierra & Silverado

Fig. 413: Locating Oil Pan Bolts & Nuts
Courtesy of GENERAL MOTORS CORP.

1. Remove the oil pan bolts and nuts.

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Mechanical - 4.3L - Sierra & Silverado