AUTOMATIC TRANSMISSION (4 A/T) 7B1-49
Unit Repair
Sub-Assembly Repair
Overdrive (case side)
DISASSEMBLY
1) Measure clearance between retaining ring (1) and brake
backing plate (2) with thickness gauge.
If it is not within standard range, replace brake disc or brake
plate.
Clearance between retaining ring and brake backing plate
Standard :
0.40 – 0.90 mm (0.016 – 0.035 in.)
2) Remove retaining ring (1), brake backing plate (2), brake
disc (3), brake plate (4), cushion brake plate (5) in that order.
Then remove planetary ring gear, thrust bearing race and
thrust rear bearing.
3) Remove retaining ring (1), retainer (2) and piston return
spring (3).
NOTE:
The service procedure to be described in this item is the same as that of H25 engine model except the
following description.
Refer to the same section of the Unit Repair Manual mentioned in FOREWORD of this manual for the
description not found in this item.
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