Hummer H2. Manual — part 1789
Fig. 344: Crankshaft Sprocket Key
Courtesy of GENERAL MOTORS CORP.
5. Remove the crankshaft sprocket key, if required.
CAMSHAFT REMOVAL
2004 Hummer H2
2004 ENGINE Engine Mechanical - 4.8L, 5.3L, and 6.0L - Hummer H2
Fig. 345: Camshaft Sensor & Bolt
Courtesy of GENERAL MOTORS CORP.
1. Remove the camshaft position (CMP) sensor bolt and the sensor.
2004 Hummer H2
2004 ENGINE Engine Mechanical - 4.8L, 5.3L, and 6.0L - Hummer H2
Fig. 346: Camshaft Retainer & Bolts
Courtesy of GENERAL MOTORS CORP.
2. Remove the camshaft retainer bolts and the retainer.
2004 Hummer H2
2004 ENGINE Engine Mechanical - 4.8L, 5.3L, and 6.0L - Hummer H2
Fig. 347: Camshaft Front Bolt Holes
Courtesy of GENERAL MOTORS CORP.
3. Remove the camshaft.
1. Install the 3 M8 - 1.25 x 100 mm bolts in the camshaft front bolt holes.
2. Using the bolts as a handle, carefully rotate and pull the camshaft out of the engine block.
3. Remove the bolts from the front of the camshaft.
PISTON, CONNECTING ROD, AND BEARING REMOVAL
Tools Required
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.
2004 Hummer H2
2004 ENGINE Engine Mechanical - 4.8L, 5.3L, and 6.0L - Hummer H2
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