Toyota Tercel 1985 Repair Manual page 532

RA.24
REAR AXLE AND SUSPENSION - Troubleshooting (4WD)
TROUBLESHOOTING
(4WD}
Problem
Possible cause Remedy Page
Oil leak at rear axle Oil seals worn or damaged
Bearing retainer loose
Rear axle housing cracked
Replace oil seal
Replace retainer
Repair as necessary
RA-25
RA-25
Oil leak at pinion shaft Oil level too high or wrong grade
Oil sealworn or damaged
Companion flange loose or damaged
Drain and replace oil
Replace oil seal
Tighten or replace flange
RA-28
RA-28
Noise in rear axle Oil level low or wrong grade
Excessive backlash between drive pinion
and ring or side gear
Ring, drive pinion or side gears worn or
chipped
Drive pinion bearing worn
Axle shaft bearing worn
Side bearing loose or worn
Drain and replace oil
Check backlash
Check gears
Replace bearing
Replace bearing
Tighten or replace bearings
RA-28
RA-28
RA-28
RA.25
RA-36
Bottoming
Vehicle overloaded
Shock absorber worn out
Springs weak
Check loading
Replace shock absorber
Replace spring
RA.43
RA.43