Hummer H3. Manual — part 357

Fig. 277: Locating Left Engine Mount-To-Frame Bracket Through Bolt
Courtesy of GENERAL MOTORS CORP.

71. Lower the vehicle.

72. Remove the left engine mount-to-frame bracket bolt.

2007 Hummer H3

2007 ENGINE Engine Mechanical - 3.7L - H3

Fig. 278: View Of Transmission Mounting Bolts & Engine Dowels
Courtesy of GENERAL MOTORS CORP.

73. Place a jack under the transmission for support.

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

2007 Hummer H3

2007 ENGINE Engine Mechanical - 3.7L - H3

Fig. 279: View Of Engine Lift Chain
Courtesy of GENERAL MOTORS CORP.

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

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

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

The left engine mount

The right engine mount

78. Remove the engine mounts.

IMPORTANT: Ensure clearance is maintained between the engine and the

following:

The A/C compressor

2007 Hummer H3

2007 ENGINE Engine Mechanical - 3.7L - H3

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

supported.

80. Install the engine to an engine stand.

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

Installation Procedure

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 transmission input shaft (manual only)

The transmission oil cooler pipes (automatic only)

2007 Hummer H3

2007 ENGINE Engine Mechanical - 3.7L - H3