Hummer H2. Manual — part 2258

3. Remove the retaining ring from the quick connect fitting.

4. Discard the retaining ring.

Fig. 70: Removing Cooler Line
Courtesy of GENERAL MOTORS CORP.

5. Pull the cooler line straight out from the quick connect fitting.

Installation Procedure

IMPORTANT:

z

Do not reuse any of the existing oil lines or oil line fittings if there is
excessive corrosion.

z

Do not reuse any of the existing retaining rings that were removed
from the existing quick connect fittings. Install new retaining rings.

z

Ensure the following procedures are performed when installing the
new retaining rings onto the fittings.

2004 Hummer H2

2004 TRANSMISSION Automatic Transmission - 4L60-E/4L65-E (Introduction) - Hummer H2

1. Install a new retaining ring into the quick connect fitting using the following procedure:

Fig. 71: Hooking Retaining Ring Into Quick Connect Fitting
Courtesy of GENERAL MOTORS CORP.

2. Hook one of the open ends of the retaining ring in one of the slots in the quick connect fitting.

2004 Hummer H2

2004 TRANSMISSION Automatic Transmission - 4L60-E/4L65-E (Introduction) - Hummer H2

Fig. 72: Rotating Retaining Ring Around Fitting
Courtesy of GENERAL MOTORS CORP.

3. Rotate the retaining ring around the fitting until the retaining ring is positioned with all three ears through

the three slots on the fitting.

2004 Hummer H2

2004 TRANSMISSION Automatic Transmission - 4L60-E/4L65-E (Introduction) - Hummer H2

Fig. 73: Improper Retaining Ring Installation
Courtesy of GENERAL MOTORS CORP.

4. Do not install the new retaining ring onto the fitting by pushing the retaining ring.

2004 Hummer H2

2004 TRANSMISSION Automatic Transmission - 4L60-E/4L65-E (Introduction) - Hummer H2