Hummer H3. Manual — part 781

Fig. 181: Identifying Engine Alignment Dowels
Courtesy of GENERAL MOTORS CORP.

4. Align the transmission with the engine alignment dowels (1).

5. Install the 2 transmission mounting bolts (2).

Tighten: Tighten the transmission mounting bolts to 50 N.m (37 lb ft).

NOTE:

Refer to Fastener Notice .

IMPORTANT: Ensure the torque converter turns freely while tightening the

transmission mounting bolts.

2007 Hummer H3

2007 TRANSMISSION Automatic Transmission - 4L60-E/4L65-E/4L70-E - H3

Fig. 182: Identifying Transmission Mounting Bolts
Courtesy of GENERAL MOTORS CORP.

6. Install the remaining 7 transmission mounting bolts and 2 studded mounting bolts (2).

Tighten: Tighten the transmission mounting bolts to 50 N.m (37 lb ft).

IMPORTANT:

Ensure the studded mounting bolts (2) are located in the
correct position.

The heater pipe (1) must be secured with the 2 upper
mounting bolts.

2007 Hummer H3

2007 TRANSMISSION Automatic Transmission - 4L60-E/4L65-E/4L70-E - H3

7. Install the transmission crossmember. Refer to Transmission Support Crossmember

Replacement .

8. Remove the transmission jack from under the vehicle.

9. Connect the transmission oil cooler pipes to the transmission. Refer to Transmission Fluid

Cooler Hose/Pipe Replacement.

10. Align the torque converter to flexplate/flywheel orientation marks made during the removal

procedure.

11. Repeat the following steps for all 3 torque converter bolts:

1. Rotate the harmonic balancer center bolt clockwise ONLY, in order to access the

torque converter bolt holes in the flexplate/flywheel through the service slot.

2. To aid in alignment of the torque converter to the flexplate/flywheel. Install all 3

torque converter bolts before fully tightening using one of the following:

Tighten: Tighten the torque converter bolts to 60 N.m (44 lb ft).

18 mm crowfoot wrench

Short T50 TORX bit

2007 Hummer H3

2007 TRANSMISSION Automatic Transmission - 4L60-E/4L65-E/4L70-E - H3

Fig. 183: View Of Inspection Plug
Courtesy of GENERAL MOTORS CORP.

12. Install the inspection plug (3) to the transmission (1).

2007 Hummer H3

2007 TRANSMISSION Automatic Transmission - 4L60-E/4L65-E/4L70-E - H3