4 Runner 2WD L4-144.4 2366cc 2.4L SOHC (22R-E) (1990)
Clutch Disc: Testing and Inspection
1. INSPECT CLUTCH DISC FOR WEAR OR DAMAGE
Using calipers, measure the rivet head depth.
Minimum rivet depth: 0.3 mm (0.012 in.)
If a problem is found, repair or replace the clutch disc.
2. INSPECT CLUTCH DISC RUN OUT
Using a dial indicator, check the disc runout.
Maximum runout: 0.8 mm (0.031 in.)
If runout is excessive, replace the disc.