Reaction Sun Gear Installation

Tools Required

• J 34196-B  Transmission Bushing Service Set. See Special Tools .
• J 8092  Driver Handle

IMPORTANT: Do not remove the retaining ring (671), except to replace it.
Fig 1: Inspection Areas On Reaction Sun Gear
Courtesy of GENERAL MOTORS CORP.
1. Inspect the reaction sun gear (673) for the following defects:
   • Nicks
   • Scores
   • Damaged spline or teeth
   • A worn bushing (672)
   • A loose or weak retaining ring (671)
Fig 2: View Of Reaction Sun Bushing & Reaction Sun Gear
Courtesy of GENERAL MOTORS CORP.
2. If the reaction sun gear bushing (672) needs replacement, use J 34196-1 which is part of kit J 34196-B  with J 8092  to remove the reaction sun bushing (672) from the reaction sun gear (673).
Fig 3: 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).
Fig 4: Identifying Reaction Sun Gear
Courtesy of GENERAL MOTORS CORP.
4. Install the reaction sun gear (673) into the reaction carrier.
Fig 5: 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.