Park Pawl

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If equipped with a park pawl, disengage pawl return spring from main housing. See Fig 1. Remove, as a unit, park pawl and pawl return spring from pawl support pin. Remove pawl return spring from park pawl.
Remove pawl support pin (2) from main housing. See Fig 2. If equipped, remove apply assembly guide (3). Remove C5 piston return spring (1).

Fig 1: Identifying Park Pawl & Related Components

Courtesy of ALLISON CORPORATION.

Fig 2: Identifying Apply Assembly Guide & C5 Piston Return Spring

Courtesy of GENERAL MOTORS CORP.