Manual Valve Link & Oil Dam

Remove manual shift detent bolt and manual shift detent. See Fig 1. Compress manual valve link spring. Lift link off manual valve. See Fig 2.
Position manual valve so valve will not interfere with case cover removal. Remove oil dam from case. See Fig 3. Using small screwdriver, pry input speed sensor clip out of case cover. Use care when handling speed sensor. Carefully pull input speed sensor out of case cover. See Fig 4.

Fig 1: Removing & Installing Manual Shift Detent

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Fig 2: Removing Spring Link From Manual Valve

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Fig 3: Removing & Installing Oil Dam

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Fig 4: Removing & Installing Input Speed Sensor

Courtesy of GENERAL MOTORS CORP.