Hummer H3. Manual — part 798

Fig. 245: Installing J 23327-1 & J 42628
Courtesy of GENERAL MOTORS CORP.

1. Install the J 23327-1 and the J-42628 . See Special Tools.

2007 Hummer H3

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

Fig. 246: View Of Low And Reverse Clutch Spring Assembly & Retainer Ring
Courtesy of GENERAL MOTORS CORP.

2. Tighten the J 23327-1 . See Special Tools.

3. Remove the low and reverse clutch retainer ring (693) using the J 34627 . See Special

Tools.

4. Remove the low and reverse clutch spring assembly (694).

2007 Hummer H3

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

Fig. 247: Blowing Air Into Case Passage
Courtesy of GENERAL MOTORS CORP.

5. Blow compressed air into the case passage to remove the low and reverse clutch piston

(695).

(1) LO Feed Passage

(2) REV Feed Passage

CASE ASSEMBLY INSPECTION

2007 Hummer H3

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

Fig. 248: Inspecting Spacer Plate To Case Gasket For Witness Marks
Courtesy of GENERAL MOTORS CORP.

1. Inspect the spacer plate to case gasket for witness marks. The witness marks should be

complete. Incomplete witness marks may come from an uneven case surface or from cross
channel leaks.

2007 Hummer H3

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