Output Shaft, Reaction Gear, Low/Rev Clutch Removal

Tools Required 

J 29837-A  Output Shaft Support Fixture. See Special Tools .

Fig 1: Identifying Reaction Sun Gear & Thrust Washer
Courtesy of GENERAL MOTORS CORP.
1. Remove the reaction sun gear (673) and the thrust washer (674).
Fig 2: Removing Low And Reverse Support Retainer Ring
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2. Remove the low and reverse support retainer ring (676).
Fig 3: Identifying J 29837-A
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3. Remove the J 29837-A  . See Special Tools .
Fig 4: View Of Low And Reverse Clutch Support
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4. Push on the output shaft (687) in order to loosen the low and reverse clutch support (679).
5. Remove the low and reverse clutch support (679).
Fig 5: Locating Output Shaft
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6. Remove the output shaft (687).
Fig 6: View Of Low And Reverse Clutch Support Retainer Spring
Courtesy of GENERAL MOTORS CORP.
7. Remove the low and reverse clutch support retainer spring (680).
Fig 7: Identifying Reaction Carrier Assembly
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IMPORTANT: The reaction carrier assembly (681) can be a 4 or 5 pinion design depending on the transmission model.
8. Remove the reaction carrier assembly (681).
Fig 8: Locating Low And Reverse Clutch Components
Courtesy of GENERAL MOTORS CORP.
9. Remove the following components:
   1. The low and reverse clutch fiber plate assembly (682C)
   2. The low and reverse clutch steel plates (682D)
   3. The low and reverse clutch selective plate (682B)
   4. The low and reverse clutch waved plate (682A)
Fig 9: View Of Reaction Carrier/Support Thrust Bearing Assembly
Courtesy of GENERAL MOTORS CORP.
10. Remove the following components:
    1. The thrust bearing assembly (reaction carrier support) (683)
    2. The internal reaction gear (684) and the internal reaction gear support (685)
    3. The reaction gear support bearing (692)