Hummer H3. Manual — part 147

Fig. 230: View Of Intake CMP Sensor Engine Wiring Harness Connector
Courtesy of GENERAL MOTORS CORP.

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

2006 Hummer H3

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

Fig. 231: View Of Engine Wiring Harness Conduit
Courtesy of GENERAL MOTORS CORP.

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

23. Remove the transmission filler tube. Refer to Filler Tube and Seal Replacement in

Automatic Transmission - 4L60-E/4L65-E.

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

2006 Hummer H3

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

Fig. 232: View Of A.I.R. Injection Pipe Cover
Courtesy of GENERAL MOTORS CORP.

25. 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.

2006 Hummer H3

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

Fig. 233: Identifying J 44220
Courtesy of GENERAL MOTORS CORP.

26. Install the J 44220 in place of the AIR adapter. See Special Tools.

2006 Hummer H3

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