Pinion Too Far into Mesh
Convex Flank
Contact markings closer to heel and root than factory markings
Concave Flank
Contact markings closer to toe and root than factory markings.
Remedy:-
175 series Re-check and decrease shims behind head of pinion.
200 series Re-check and decrease shims behind head of pinion.
210 series Re-check and decrease shims behind head of pinion.
220 series Re-check and decrease shims behind head of pinion.
360 series Re-check and decrease shims behind pinion front bearing cone.
410 series Re-check and increase shims between pinion cartridge and axle case.