TSRM/MK4 Supra/Repair Manual
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ATR/ATM Unit Repair — Forward Clutch, page 35

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Forward Clutch — MK4 Supra ATM Unit Repair, page 35
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AT-40

A340F AUTOMATIC TRANSMISSION - SERVICE SPECIFICATIONS

Forward Clutch

Pack clearance	0.4 - 0.8 mm	0.016 - 0.031 in.
Drum bushing inside diameter	24.08 mm	0.9480 in.
Flange thickness	No.61	3.0 mm	0.118 in.
	No.60	3.2 mm	0.126 in.
	No.45	3.4 mm	0.134 in.
	No.62	3.6 mm	0.142 in.
	No.44	3.8 mm	0.150 in.
	No.42	4.0 mm	0.157 in.
	No.63	4.2 mm	0.165 in.
	No.64	4.4 mm	0.173 in.

Second Coast Brake

Piston stroke	1.5 - 3.0 mm	0.059 - 0.118 in.
Piston rod length	72.9 mm	2.870 in.
	71.4 mm	2.811 in.

Front Planetary Gear

Maximum inside diameter	24.08 mm	0.9480 in.
Planetary pinion gear thrust clearance	Standard	0.20 - 0.60 mm	0.0079 - 0.0236 in.
	Maximum	1.00 mm	0.0394 in.

Planetary Sun Gear

Sun gear bushing inside diameter	Maximum	27.08 mm	1.0661 in.

Second Brake

Pack clearance	0.50 - 1.76 mm	0.0197 - 0.0693 in.

First and Reverse Brake

Pack clearance	0.50 - 1.02 mm	0.0197 - 0.0402 in.
Flange thickness	No.50	5.0 mm	0.197 in.
	No.51	4.8 mm	0.189 in.
	No.52	4.6 mm	0.181 in.
	No.53	4.4 mm	0.173 in.
	No.54	4.2 mm	0.165 in.
	No.55	4.0 mm	0.157 in.

Rear Planetary Gear

Planetary pinion gear thrust clearance	Standard	0.20 - 0.60 mm	0.0079 - 0.0236 in.
	Maximum	1.00 mm	0.0394 in.