Impreza Sedan AWD F4-1820cc 1.8L SOHC (1993)
Clutch Disc: Service and Repair
Clutch Disc and Cover
REMOVAL
1. Install crankshaft stopper on flywheel using special tool: (498497100).
2. Remove clutch cover and clutch disc.
a. Take care not to allow oil on the clutch disc facing.
b. Do not disassemble either clutch cover CP or clutch disc CP.
3. Remove flywheel.
INSPECTION
CLUTCH DISC
1. Facing wear
Measure the depth of rivet head from the surface of facing. Replace if facings are worn locally or worn down to less than the specified value.
Depth of rivet head Standard value 1.4 mm (0.055 in)Limit of sinking 0.3 mm (0.012 in)
Do not wash clutch disc with any cleaning fluid.
2. Hardened facing: Correct by using emery paper or replace.
3. Oil soakage on facing: Replace clutch disc and inspect transmission front oil seal, transmission case mating surface, engine rear oil seal and other
points for oil leakage.
4. Deflection on facing: If deflection exceeds the specified value at the outer circumference of facing, repair or replace.
Limit for deflection: 1.0 mm (0.039 in) at R = 107 mm (4.21 in)
5. Worn spline, loose rivets and torsion spring failure Replace defective parts.
CLUTCH COVER
Visually check for the following items without disassembling, and replace or repair if defective.