Hummer H2. Manual - part 2538

Fig. 124: Installing Reaction Sun Bushing
Courtesy of GENERAL MOTORS CORP.

3. Using J 34196-1 which is part of kit J 34196-B with J 8092 , install a new reaction sun bushing (672)

into the reaction sun gear (673).

2004 Hummer H2

2004 TRANSMISSION/TRANSAXLE Automatic Transmission - Overhaul - 4L60-E/4L65-E

Fig. 125: Identifying Reaction Sun Gear
Courtesy of GENERAL MOTORS CORP.

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

2004 Hummer H2

2004 TRANSMISSION/TRANSAXLE Automatic Transmission - Overhaul - 4L60-E/4L65-E

Fig. 126: 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.

REACTION CARRIER SHAFT REPLACEMENT

2004 Hummer H2

2004 TRANSMISSION/TRANSAXLE Automatic Transmission - Overhaul - 4L60-E/4L65-E

Removal Procedure

Tools Required

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

J 7004-A Universal Remover. See Special Tools and Equipment .

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

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

J 29369-2 Bushing and Bearing Remover 2-3 in. See Special Tools and Equipment .

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

Fig. 127: 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

Cracking

Damaged or worn bushings

A cracked shaft

A damaged spline

2004 Hummer H2

2004 TRANSMISSION/TRANSAXLE Automatic Transmission - Overhaul - 4L60-E/4L65-E