Hummer H3. Manual — part 754

Fig. 85: View Of Oil Pressure Test Plug
Courtesy of GENERAL MOTORS CORP.

2. Remove the oil pressure test plug.

Installation Procedure

2007 Hummer H3

2007 TRANSMISSION Automatic Transmission - 4L60-E/4L65-E/4L70-E - H3

Fig. 86: View Of Oil Pressure Test Plug
Courtesy of GENERAL MOTORS CORP.

1. Install an oil pressure test plug.

Tighten: Tighten the oil pressure test plug to 8 N.m (71 lb in).

2. Check the transmission fluid level, fill if necessary. Refer to Transmission Fluid Check.

3. Lower the vehicle.

VENT HOSE REPLACEMENT

Removal Procedure

1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .

NOTE:

Refer to Component Fastener Tightening Notice .

2007 Hummer H3

2007 TRANSMISSION Automatic Transmission - 4L60-E/4L65-E/4L70-E - H3

Fig. 87: View Of Transmission Vent Hose & Retainers
Courtesy of GENERAL MOTORS CORP.

2. Disconnect the transmission vent hose retainer (1, 6) from the following:

The heater pipe bracket (2)

The transmission range selector cable bracket (5)

3. Disconnect the transmission vent hose (3) from the transmission vent tube (4).

4. Remove the transmission vent hose (3).

IMPORTANT: Make a note of the routing in order to aid during reassembly.

2007 Hummer H3

2007 TRANSMISSION Automatic Transmission - 4L60-E/4L65-E/4L70-E - H3

Installation Procedure

Fig. 88: View Of Transmission Vent Hose & Retainers
Courtesy of GENERAL MOTORS CORP.

1. Connect the transmission vent hose (3) to the transmission vent tube (4).

IMPORTANT:

Ensure the vent is not plugged.

Route the vent hose the same way as removed.

Ensure the vent hose is free of kinks and is routed clear
of sharp objects.

2007 Hummer H3

2007 TRANSMISSION Automatic Transmission - 4L60-E/4L65-E/4L70-E - H3