Transmission Crossmember Support - Hummer H1 Service Manual

9-56 Axles, Suspension, and Frame
TRANSMISSION MOUNT CROSSMEMBER
REPLACEMENT
Removal
CAUTION: To prevent equipment damage during removal and
installation of transmission mount crossmember, transmission
must be supported.
1. Place support under transmission and remove two lock-
nuts, washers, bolts, and washers securing transmission
mount crossmember to two transmission support brackets
(Figure 9-133).
2. Remove two locknuts, washers, and transmission mount
crossmember from transmission mount.
Installation
1. Install transmission mount crossmember on two transmis-
sion support brackets with two washers, bolts, washers,
and locknuts. Tighten locknuts to 90 lb-ft (122 N•m)
(Figure 9-133).
2. Install crossmember on transmission mount with two
washers and locknuts. Tighten locknuts to 28 lb-ft
(38 N•m).
3. Remove support.
TRANSMISSION
TRANSMISSION MOUNT
SUPPORT
BRACKET
Figure 9-133: Transmission Mount Crossmember
Replacement
TRANSMISSION MOUNT
CROSSMEMBER
_________________________________________

TRANSMISSION CROSSMEMBER SUPPORT

BRACKET REPLACEMENT
Removal
1. Remove transmission mount crossmember.
2. Remove two locknuts and washers securing transmission
crossmember support bracket to frame rail (Figure 9-134).
Installation
1. Install transmission crossmember support bracket on two
bolts and frame rail with two washers and locknuts.
Tighten locknuts to 90 lb-ft (122 N•m) (Figure 9-134).
2. Install transmission mount crossmember.
FRAME RAIL
Figure 9-134:
Support Bracket Replacement
TRANSMISSION
CROSSMEMBER
SUPPORT BRACKET
Transmission Crossmember
®