Forward Clutch: Reassembly
WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 1994 Toyota MR2, 1993 Toyota MR2, 1993 Toyota Celica, 1992 Toyota MR2, and 1992 Toyota Corolla. However, it is still accessible from the selected car via links, so may be relevant.
- Coat NEW "O" rings with ATF. Install "O" rings on piston. See Figure. Press piston into drum with cup side up. Ensure "O" ring is not damaged.
- Install return springs, retainer and snap ring in drum. Place compressor block on top of retainer. Compress unit using an arbor press. Using pliers, install snap ring in groove. Ensure end-gap of snap ring is not aligned with spring retainer claw.
- Install in order: plate, disc, plate, disc, plate, disc, plate, disc and flange. Install flange with flat end facing inward. Install outer snap ring. Ensure end gap of ring is not aligned with cut-outs in clutch drum.
- If disc, plate or flange have been replaced, check piston stroke. Measure piston stroke by applying 57-114 psi (4-8 kg/cm2 ) of compressed air. See Figure.
- Piston stroke should be .0559-.0713" (1.420-1.810 mm). If piston stroke is less than specification, replace flange. Flange is available in 2 thicknesses: .1181" (3.00 mm) or .1327" (3.370 mm).
- To check operation of forward clutch, apply compressed air into oil passage of shaft. Ensure piston moves. If piston does not move, disassemble and inspect.