Hummer H1 Service Manual page 605

9-68 Axles, Suspension, and Frame
Bends
1. Do not attempt to repair a bend when:
• Buckling to a height of 1/4-inch (6 mm) on any one face
of the frame rail is involved.
• The bending also includes more than minor twisting.
• The frame rail is bent in two directions.
• The bending involves a collapse of one or more faces of
the frame rail at a suspension or body attachment point.
_________________________________________
V-NOTCH
CRACK
Figure 9-156: Crack Repair
STOP DRILL WITH
1/8-INCH (3MM)
DRILL
GRIND WELD FLAT
IF ADDING A
REINFORCEMENT
6-S09-007
®
HELI-ARC
WELD CRACK