Hummer H3. Manual — part 358

Fig. 280: Identifying Engine Mount
Courtesy of GENERAL MOTORS CORP.

1. Install an engine lift chain to the engine lift brackets and attach to an engine lift device.

2. Remove the engine from the engine stand.

3. Ensure the torque converter is fully engaged with the transmission oil pump (M30 only).

4. Position the engine mounts to the engine.

5. Install the engine mount bolts until snug, following the installation sequence.

The engine lift device may have to be raised or lowered slightly to install these bolts.

6. Tighten the bolts using the installation sequence.

NOTE:

Refer to Fastener Notice .

2007 Hummer H3

2007 ENGINE Engine Mechanical - 3.7L - H3

Tighten: Tighten the engine mount bolts to 50 N.m (37 lb ft).

Fig. 281: View Of Engine Lift Chain
Courtesy of GENERAL MOTORS CORP.

IMPORTANT: Ensure clearance is maintained between the engine and the

following:

The A/C compressor

The A/C hoses

The engine mounts

The engine wiring harness

The fuel hose/pipes

The heater outlet hose/pipe

2007 Hummer H3

2007 ENGINE Engine Mechanical - 3.7L - H3

7. Carefully lower the engine into the engine compartment, aligning the engine dowels with the

transmission.

Fig. 282: View Of Transmission Mounting Bolts & Engine Dowels
Courtesy of GENERAL MOTORS CORP.

The power steering pump

The transmission input shaft (manual only)

The transmission oil cooler pipes (automatic only)

IMPORTANT: Ensure the torque converter turns freely while tightening the

transmission mounting bolts (automatic only).

2007 Hummer H3

2007 ENGINE Engine Mechanical - 3.7L - H3

8. Align the engine dowels (1) with the transmission.

9. Loosely install the 2 transmission mounting bolts (2).

Ensure the dowels (1) are fully engaged into the transmission.

10. Remove the jack from under the vehicle.

11. Lower the engine fully on to the engine mounts.

12. Remove the engine lift chain from the engine lift brackets.

13. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .

Fig. 283: View Of Transmission Mounting Bolts & Engine Dowels
Courtesy of GENERAL MOTORS CORP.

2007 Hummer H3

2007 ENGINE Engine Mechanical - 3.7L - H3