Hummer H3. Manual — part 350

Fig. 249: View Of Intake CMP Sensor Engine Wiring Harness Connector
Courtesy of GENERAL MOTORS CORP.

22. Disconnect the engine wiring harness connector from the intake CMP sensor.

2007 Hummer H3

2007 ENGINE Engine Mechanical - 3.7L - H3

Fig. 250: View Of Engine Wiring Harness Conduit
Courtesy of GENERAL MOTORS CORP.

23. Carefully disengage the engine wiring harness conduit from the camshaft cover.

24. Remove the transmission filler tube, if equipped. Refer to Transmission Fluid Filler Tube

and Seal Replacement .

2007 Hummer H3

2007 ENGINE Engine Mechanical - 3.7L - H3

Fig. 251: Identifying Air Conditioning (A/C) Compressor Evaporator Hose Bracket
Bolts
Courtesy of GENERAL MOTORS CORP.

25. Remove the air conditioning (A/C) compressor evaporator hose bracket bolt from the

cylinder head.

26. Drain the engine oil, if necessary. Refer to Engine Oil and Oil Filter Replacement.

2007 Hummer H3

2007 ENGINE Engine Mechanical - 3.7L - H3

Fig. 252: View Of A.I.R. Injection Pipe Cover
Courtesy of GENERAL MOTORS CORP.

27. Remove the studs securing the secondary air injection (AIR) pipe cover to the cylinder

head.

Remove the AIR pipe cover and gasket.

Discard the gasket.

2007 Hummer H3

2007 ENGINE Engine Mechanical - 3.7L - H3