Chevrolet Silverado / GMC Sierra. Manual — part 1135

Fig. 410: Locating Reverse Input Clutch Plates
Courtesy of GENERAL MOTORS CORP.

11. Install the reverse input clutch belleville plate (611), with the inner diameter up, into the

reverse input clutch housing and drum assembly (605).

12. Install the reverse input clutch plates starting with a steel turbulator plate (612A) and

alternate with a fiber plate assembly (612B).

13. Install the reverse input clutch selective backing plate (613).

14. Install the reverse input clutch retaining ring (614).

REVERSE INPUT CLUTCH PLATE TRAVEL CHECK

2008 Chevrolet Silverado 1500

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

Silverado, Sierra & Silverado

Fig. 411: Checking Reverse Input Clutch Plate Travel
Courtesy of GENERAL MOTORS CORP.

1. Apply an evenly distributed load to the clutch pack.

2. Use feeler gages to check the reverse input clutch plate travel.

3. Check the travel between the selective backing plate and the reverse input clutch retainer

ring.

Clutch Plate Travel Specifications: The reverse input clutch plate travel should be 1.02-
2.01 mm (0.040-0.079 in).

4. Select the proper selective backing plate to obtain the correct travel. Refer to Reverse

2008 Chevrolet Silverado 1500

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

Silverado, Sierra & Silverado

Input Clutch Backing Plate Selection .

REVERSE INPUT AND 3-4 CLUTCH HOUSING INSTALLATION

Fig. 412: View Of Clutch Housing Components
Courtesy of GENERAL MOTORS CORP.

1. Install the selective thrust washer (616) on the input housing (621).

2. Install the stator shaft/selective washer bearing assembly (615) on the input housing (621).

2008 Chevrolet Silverado 1500

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

Silverado, Sierra & Silverado