TSRM/MK4 Supra/Repair Manual
Repair ManualWiring Diagrams
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ATR/ATM Unit Repair91 / 275
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FORWARD CLUTCH INSPECTION — MK4 Supra ATM Unit Repair, page 91
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AT-54 A340E (2JZ-GTE) AUTOMATIC TRANSMISSION - FORWARD CLUTCH 7. REMOVE 3 OIL SEAL RINGS FROM FORWARD CLUTCH D4841 Z05213 Printed Number AD505 2INO19006 AT7830 D4899 Z05214 AT5424 FORWARD CLUTCH INSPECTION AT0E2-04 1. INSPECT DISC, PLATE AND FLANGE Check to see if the sliding surface of the disc, plate and flange are worn or burnt. If necessary, replace them. HINT: ★ If the lining of the disc is peeling off or discolored, or even if a part of the printed numbers are defaced, re- place all discs. ★ Before assembling new discs, soak them in ATF for at least 15 minutes. 2. CHECK FORWARD CLUTCH PISTON (a) Check that the check ball is free by shaking the piston. (b) Check that the valve does not leak by applying low-pres- sure compressed air. 3. CHECK FORWARD CLUTCH DRUM BUSHING Using a dial indicator, measure the inside diameter of the forward clutch drum bushing. Maximum inside diameter: 24.08 mm (0.9480 in.) If the inside diameter is greater than the maximum, re- place the forward clutch drum.