Chevrolet Silverado / GMC Sierra. Service manual — part 1104

Fig. 299: View Of 2-4 Servo
Courtesy of GENERAL MOTORS CORP.

1. Install the 2-4 servo into the case.

2008 Chevrolet Silverado 1500

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

Silverado, Sierra & Silverado

Fig. 300: Identifying J 29714-A
Courtesy of GENERAL MOTORS CORP.

2. Install oil pan with only four bolts to align pan to case.

3. Use the J 29714-A in order to compress the servo cover. See Special Tools.

4. Install the servo cover retaining ring.

2008 Chevrolet Silverado 1500

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

Silverado, Sierra & Silverado

Fig. 301: Locating Small Hole In Accumulator
Courtesy of GENERAL MOTORS CORP.

5. Remove oil pan.

6. Pour solvent into the accumulator bore until the channel is filled. Watch for leaks in the case

channel.

IMPORTANT: It is normal to see leakage from the small hole next to the

larger oval hole.

2008 Chevrolet Silverado 1500

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

Silverado, Sierra & Silverado

7. If leakage from the oval shaped hole is observed, replace the third accumulator retainer and

ball assembly.

3RD ACCUMULATOR RETAINER WITH BALL REPLACEMENT

Fig. 302: Extracting Third Accumulator Retainer And Ball Assembly
Courtesy of GENERAL MOTORS CORP.

1. Remove the third accumulator retainer and ball assembly, using a 44.8 mm (1.763 in) #4

screw extractor.

2008 Chevrolet Silverado 1500

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

Silverado, Sierra & Silverado