Chevrolet Silverado / GMC Sierra. Service manual — part 1102

Fig. 292: Installing J 23327-1 & J 42628
Courtesy of GENERAL MOTORS CORP.

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

2008 Chevrolet Silverado 1500

2008 TRANSMISSION Automatic Transmission - 4L60-E/4L65-E/4L70-E - Cab & Chassis Sierra, Cab & Chassis

Silverado, Sierra & Silverado

Fig. 293: 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).

2008 Chevrolet Silverado 1500

2008 TRANSMISSION Automatic Transmission - 4L60-E/4L65-E/4L70-E - Cab & Chassis Sierra, Cab & Chassis

Silverado, Sierra & Silverado

Fig. 294: 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

2008 Chevrolet Silverado 1500

2008 TRANSMISSION Automatic Transmission - 4L60-E/4L65-E/4L70-E - Cab & Chassis Sierra, Cab & Chassis

Silverado, Sierra & Silverado

Fig. 295: 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.

2008 Chevrolet Silverado 1500

2008 TRANSMISSION Automatic Transmission - 4L60-E/4L65-E/4L70-E - Cab & Chassis Sierra, Cab & Chassis

Silverado, Sierra & Silverado