TSRM/MK2 Supra/Repair Manual
Repair ManualWiring Diagrams
p.067
AT/Automatic Transmission68 / 120
p.069
AUTOMATIC TRANSMISSION — Component Groups (Rear Clutch) — MK2 Supra Automatic Transmission, page 68
100%
2. INSPECT DISC, PLATE AND FLANGE Check that the sliding surface of disc is not worn or burnt. If the disc is worn or burnt, replace all discs. Then check that the sliding surfaces of plate and flange are not worn or burnt. If necessary, replace them. NOTE: Do not allow the discs to dry out. Prepare new discs by soaking them at least two hours in ATF. ASSEMBLY OF REAR CLUTCH (See page AT-67) 1. INSTALL NEW O-RINGS ON PISTON 2. INSTALL REAR CLUTCH PISTON IN DRUM Press rear clutch piston into drum with the cup side up, being careful not to damage the O-rings. 3. INSTALL EIGHTEEN PISTON RETURN SPRINGS AND SET RETAINER WITH SNAP RING IN PLACE 4. COMPRESS RETURN SPRINGS AND INSTALL SNAP RING IN GROOVE (a) Place SST on the spring retainer, and compress the springs on shop press. SST 09350-20013 (09369-20040) (b) Install the snap ring with snap ring pliers. 5. INSTALL DISCS, PLATES AND FLANGE With low-pressure compressed air, blow all excess ATF from discs. CAUTION: High-pressure air will damage the discs. Install in order: Plate-disc-plate-disc-plate-disc-flange (flat end down) 6. INSTALL SNAP RING Check that the snap ring ends are not aligned with one of the cutouts. 7. CHECK PISTON STROKE OF REAR CLUTCH Install the rear clutch onto the center support. With a dial indicator, measure the stroke applying and releasing the compressed air (4 — 8 kgf/cm², 57 — 114 psi or 392 — 785 kPa) as shown. Standard piston stroke: 0.90 — 1.75 mm (0.0354 — 0.0689 in.) If not within specification, select a proper flange. There are three different thickness. Flange thickness: 3.6 mm, 3.8 mm, 4.0 mm (0.142 in., 0.150 in., 0.157 in.)