Hummer H3. Manual — part 536

1. Install the front cover gasket (3), front cover (2), and bolts (1).

2. Tighten the cover bolts finger tight. Do not overtighten.

gasket, unless specified.

The special tools in this procedure are used to properly
align the engine front cover at the oil pan surface and to
center the crankshaft front oil seal.

All gasket surfaces should be free of oil or other
foreign material during assembly.

The crankshaft front oil seal MUST be centered in
relation to the crankshaft.

The oil pan sealing surface at the front cover and
engine block MUST be aligned within specifications.

An improperly aligned front cover may cause
premature front oil seal wear and/or engine
assembly oil leaks.

2008 Hummer H3

2008 ENGINE Engine Mechanical - 5.3L - H3

Fig. 170: View Of J 41480 Installed On Engine Block
Courtesy of GENERAL MOTORS CORP.

NOTE:

Refer to Fastener Notice .

IMPORTANT: Start the tool-to-front cover bolts. Do not tighten the bolts at

this time.

2008 Hummer H3

2008 ENGINE Engine Mechanical - 5.3L - H3

3. Install the J 41480 . See Special Tools.

Tighten: Tighten the tool-to-engine block bolts to 25 N.m (18 lb ft).

Fig. 171: View Of J 41476 & J 41480 Installed On Engine
Courtesy of GENERAL MOTORS CORP.

IMPORTANT: Align the tapered legs of the tool with the machined

2008 Hummer H3

2008 ENGINE Engine Mechanical - 5.3L - H3

4. Install the J 41476 . See Special Tools.

5. Install the crankshaft balancer bolt.

Tighten:

1. Tighten the crankshaft balancer bolt by hand until snug. Do not overtighten.

2. Tighten the J 41480 . See Special Tools.

3. Tighten the engine front cover bolts to 25 N.m (18 lb ft).

6. Remove the tools.

alignment surfaces on the front cover.

2008 Hummer H3

2008 ENGINE Engine Mechanical - 5.3L - H3