Subaru 2002 IMPREZA Service Manual page 1858

CLUTCH SYSTEM
C: INSPECTION
1. 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:
Limit of sinking
0.3 mm (0.012 in)
NOTE:
Do not wash the clutch disc with any cleaning fluid.
• 2.5 L MODEL
• Except 2.5 L MODEL
2) Hardened facing
Correct by using emery paper or replace.
CLUTCH DISC AND COVER
3) Oil soakage on facing
Replace the clutch disc and inspect the transmis-
sion front oil seal, transmission case mating sur-
face, engine rear oil seal and other points for oil
leakage.
• 2.5 L MODEL
• Except 2.5 L MODEL
B3M3348
4) Deflection on facing
If deflection exceeds the specified value at the out-
er circumference of facing, repair or replace.
ST 499747100
Limit for deflection:
B3M3354
• 2.5 L MODEL
CL-22
CLUTCH DISC GUIDE
1.6 L model
0.8 mm (0.031 in) at R = 107 mm (4.21 in)
2.0 L model
0.8 mm (0.031 in) at R = 110 mm (4.33 in)
2.5 L model
1.0 mm (0.039 in) at R = 110 mm (4.33 in)
B2M3349C
B2M3355C
B2M3350B