Hummer H3. Manual — part 352

Fig. 257: Identifying Engine Wiring Harness Retainer At Engine Wiring Harness
Bracket
Courtesy of GENERAL MOTORS CORP.

32. Disconnect the engine wiring harness retainer from the engine wiring harness bracket.

33. Position the engine wiring harness aside.

34. Disconnect the fuel feed pipe from the fuel rail. Refer to Metal Collar Quick Connect

Fitting Service .

35. Disconnect the evaporative emission (EVAP) pipe at the purge solenoid. Refer to Plastic

Collar Quick Connect Fitting Service .

36. Remove the oil level indicator and tube. Refer to Oil Level Indicator and Tube

Replacement.

2007 Hummer H3

2007 ENGINE Engine Mechanical - 3.7L - H3

Fig. 258: Identifying Intake Manifold & Attachments
Courtesy of GENERAL MOTORS CORP.

37. Remove the manifold absolute pressure (MAP) sensor. Refer to Manifold Absolute

Pressure Sensor Replacement .

38. Disconnect the MAP sensor wiring harness retainer (4) from the intake manifold.

39. Raise and support the vehicle only high enough to access the wiring harnesses through the

wheelhouse. Refer to Lifting and Jacking the Vehicle .

2007 Hummer H3

2007 ENGINE Engine Mechanical - 3.7L - H3

Fig. 259: View Of A/C Condenser Line Bolt & A/C Compressor
Courtesy of GENERAL MOTORS CORP.

40. Remove the A/C condenser line bolt at the A/C compressor, remove the line from the

compressor, if equipped.

2007 Hummer H3

2007 ENGINE Engine Mechanical - 3.7L - H3

Fig. 260: Identifying A/C Evaporator Line
Courtesy of GENERAL MOTORS CORP.

41. Remove the A/C evaporator line bolt at the A/C compressor, remove the line from the

compressor, if equipped.

2007 Hummer H3

2007 ENGINE Engine Mechanical - 3.7L - H3