Hummer H3. Manual — part 153

Fig. 254: View Of Transmission Mounting Bolts
Courtesy of GENERAL MOTORS CORP.

69. Remove the 9 transmission mounting bolts.

2006 Hummer H3

2006 ENGINE Engine Mechanical - 3.5L (L52) - H3

Fig. 255: View Of Transmission Mounting Bolts & Engine Dowels
Courtesy of GENERAL MOTORS CORP.

70. Remove the remaining transmission mounting bolts (2).

71. Lower the vehicle.

72. Place a jack under the transmission for support.

2006 Hummer H3

2006 ENGINE Engine Mechanical - 3.5L (L52) - H3

Fig. 256: View Of Engine Lift Chain
Courtesy of GENERAL MOTORS CORP.

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

74. Using the engine lift device, raise the engine only enough to remove the engine mounts.

75. Remove the bolts securing the following to the engine block:

The left engine mount

The right engine mount

76. Position the engine mounts away from the engine.

IMPORTANT: Ensure clearance is maintained between the engine and the

following:

The A/C compressor

2006 Hummer H3

2006 ENGINE Engine Mechanical - 3.5L (L52) - H3

77. Carefully raise the engine from the engine compartment, ensuring the transmission stays

supported.

78. Install the engine to an engine stand.

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

Installation Procedure

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).

The A/C hoses

The engine mounts

The engine wiring harness

The fuel hose/pipes

The heater outlet hose/pipe

The power steering pump

The radiator

The transmission input shaft (manual only)

The transmission oil cooler pipes (automatic only)

2006 Hummer H3

2006 ENGINE Engine Mechanical - 3.5L (L52) - H3