TSRM/MK4 Supra/Repair Manual
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ATR/ATM Unit Repair — First and Reverse Brake Assembly, page 108

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p.109
First and Reverse Brake Assembly — MK4 Supra ATM Unit Repair, page 108
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Page text (OCR transcript)
AT-71

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

AT0EK-03
FIRST AND REVERSE BRAKE ASSEMBLY

O-Ring
O-Ring
O-Ring
AT5376

1. INSTALL NO.1 BRAKE PISTON
(a) Coat the 3 new O-rings with ATF.
(b) Install the 2 O-rings on No.1 brake piston.
(c) Install the O-ring on the reaction sleeve.
(d) Install the No.1 brake piston to the reaction sleeve.

Reaction
Sleeve
No. 1 Brake
Piston
D4896
Z05194

2. INSTALL REACTION SLEEVE AND NO.1 BRAKE PIS-
TON TO TRANSMISSION CASE
With the No.1 brake piston underneath (the rear side),
install the brake reaction sleeve and No.1 brake piston to
the transmission case.
NOTICE: Be careful not to damage the O-rings.

No. 2 Brake
Piston
D4897
Z05195

3. INSTALL NO.2 BRAKE PISTON
(a) Coat the a new O-ring with ATF.
(b) Install the O-ring on No.2 brake piston.
(c) With the spring seat of the piston upwards (the front side),
place the piston in the transmission case.
NOTICE: Be careful not to damage the O-rings.

AT5429

(d) Place the piston return spring onto the No.2 brake piston.

SST
Snap Ring
D4890 AT3152
Z05132

4. INSTALL PISTON RETURN SPRING
(a) Place SST on the spring retainer and compress the return
spring.
SST 09350-30020 (09350-07050)
(b) Using SST, install the snap ring.
SST 09350-30020 (09350-07070)