Chevrolet Silverado / GMC Sierra. Service manual — part 1114

Fig. 335: Identifying Reaction Sun Gear
Courtesy of GENERAL MOTORS CORP.

4. Install the reaction sun gear (673) into the reaction carrier.

2008 Chevrolet Silverado 1500

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

Silverado, Sierra & Silverado

Fig. 336: Aligning Thrust Washer Tangs With Low And Reverse Roller Clutch Race
Splines
Courtesy of GENERAL MOTORS CORP.

5. Install the thrust washer (674) with the tangs pointing down. Index the tangs of the thrust

washer with the splines of the low and reverse roller clutch race.

2008 Chevrolet Silverado 1500

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

Silverado, Sierra & Silverado

REACTION CARRIER SHAFT REPLACEMENT

Tools Required

J 8092 Universal Driver Handle - 3/4 in - 10

J 7004-A Universal Remover. See Special Tools.

J 23907 Slide Hammer with Bearing Adapter. See Special Tools.

J 25019-14 Stator Pump Bushing Remover. See Special Tools.

J 29369-2 Bushing and Bearing Remover 2-3 in

J 34196-B Transmission Bushing Service Set. See Special Tools.

Removal Procedure

Fig. 337: Identifying Reaction Carrier Components
Courtesy of GENERAL MOTORS CORP.

1. Remove the reaction carrier shaft/internal gear retainer (668) and the reaction carrier shaft

(666) from the input internal gear (664).

2. Inspect the reaction carrier shaft (666) and the input internal gear (664) for the following

defects:

Scoring

2008 Chevrolet Silverado 1500

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

Silverado, Sierra & Silverado

Cracking

Damaged or worn bushings

A cracked shaft

A damaged spline

Damaged gear teeth

2008 Chevrolet Silverado 1500

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

Silverado, Sierra & Silverado