Hummer H3. Manual — part 376

Fig. 349: View Of Oil Pan
Courtesy of GENERAL MOTORS CORP.

1. Remove the oil pan bolts.

2. Install 2 of the oil pan bolts into the threaded holes (jack bolts) to break the seal of oil pan.

3. Remove the oil pan.

OIL PUMP SUCTION PIPE AND SCREEN ASSEMBLY REMOVAL

2007 Hummer H3

2007 ENGINE Engine Mechanical - 3.7L - H3

Fig. 350: View Of Oil Pump Pipe & Screen Assembly
Courtesy of GENERAL MOTORS CORP.

1. Remove the oil pump pipe bolts.

2. Remove the oil pump pipe.

3. Remove and discard the oil pump pipe gasket.

CRANKSHAFT BALANCER REMOVAL

Tools Required

J-41816 Crankshaft Balancer Remover. See Special Tools.

2007 Hummer H3

2007 ENGINE Engine Mechanical - 3.7L - H3

J 41816-2 Crankshaft End Protector. See Special Tools.

J-41816-3 Crankshaft Balancer Remover Legs. See Special Tools.

Removal Procedure

Fig. 351: View Of Crankshaft Balancer Bolt
Courtesy of GENERAL MOTORS CORP.

1. Remove and discard the crankshaft balancer bolt.

2007 Hummer H3

2007 ENGINE Engine Mechanical - 3.7L - H3

Fig. 352: View Of Crankshaft Balancer
Courtesy of GENERAL MOTORS CORP.

2. Install J 41816-2 into the end of the crankshaft. See Special Tools.

3. Use J-41816 and J-41816-3 to remove the crankshaft balancer. See Special Tools.

4. Remove J 41816-2 . See Special Tools.

CRANKSHAFT FRONT OIL SEAL REMOVAL

IMPORTANT: Do not pull on outer edge of the crankshaft balancer.

IMPORTANT: The friction washer may come off with the crankshaft

balancer.

2007 Hummer H3

2007 ENGINE Engine Mechanical - 3.7L - H3