Hummer H2. Manual — part 1800
Fig. 384: View Of J 6125-1B & J 41818
Courtesy of GENERAL MOTORS CORP.
3. Install the J 41818 to the bearing cap.
Tighten: Tighten the J 41818 bolts to 11 N.m (100 lb in).
4. Install the J 6125-1B to the. See Special Tools and Equipment . J 41818 in order to remove the bearing
cap.
NOTE:
Refer to Fastener Notice in Cautions and Notices.
2004 Hummer H2
2004 ENGINE Engine Mechanical - 4.8L, 5.3L, and 6.0L - Hummer H2
Fig. 385: Crankshaft Bearings & Bearing Caps
Courtesy of GENERAL MOTORS CORP.
5. Remove the bearing cap and lower bearing.
2004 Hummer H2
2004 ENGINE Engine Mechanical - 4.8L, 5.3L, and 6.0L - Hummer H2
Fig. 386: Gaging Plastic Installed On Crankshaft Journal
Courtesy of GENERAL MOTORS CORP.
6. Install gaging plastic onto the crankshaft journal. Install the gaging plastic the full width of crankshaft
bearing journal.
2004 Hummer H2
2004 ENGINE Engine Mechanical - 4.8L, 5.3L, and 6.0L - Hummer H2
Fig. 387: Main Cap Bolt Hole Tightening Sequence
Courtesy of GENERAL MOTORS CORP.
7. Install the bearing, bearing cap, bolts and bolt/studs.
Tighten:
1. Tighten the M10 bolts (1-10) a first pass in sequence to 20 N.m (15 lb ft).
2. Tighten the M10 bolts (1-10) a final pass in sequence to 80 degrees using the J 45059 . See Special
Tools and Equipment .
3. Tighten the M10 studs (11-20) a first pass in sequence to 20 N.m (15 lb ft).
4. Tighten the M10 studs (11-20) a final pass in sequence to 53 degrees using the J 45059 . See
Special Tools and Equipment .
5. Tighten the M8 bolts to 25 N.m (18 lb ft).
Tighten the bolt on one side of the bearing cap and then tighten the bolt on the opposite side of the
same bearing cap.
2004 Hummer H2
2004 ENGINE Engine Mechanical - 4.8L, 5.3L, and 6.0L - Hummer H2
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