ATR/ATM Unit Repair — Check Piston Stroke of First and Reverse Brake, page 109

AT-72
A340E (2JZ-GTE)  AUTOMATIC TRANSMISSION  -  FIRST AND REVERSE BRAKE

5.  CHECK PISTON STROKE OF FIRST AND REVERSE BRAKE
Make sure the first and reverse brake pistons move smoothly when applying and releasing the compressed air into the transmission case.

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