wsm STW37 Workshop Manual page 218

STW34, STW37, STW40, WSM
Symptom
Excessive or Unusual
Noise at All Time
Noise While Turning
Probable Cause and
Checking Procedure
1. Backlash between spiral
bevel pinion and spiral
bevel gear is improper.
2. Backlash between
differential pinion and
differential side gear is
improper.
3. Bearings are worn.
4. Transmission fluid level is
insufficient and improper
type of transmission fluid is
used.
1. Differential pinions or
differential side gears are
worn or damaged.
2. Differential lock is binding.
(does not disengage)
3. Bearing is worn.
Solution
Adjust backlash between spiral bevel
pinion and spiral bevel gear to the factory
specification.
Adjust backlash between differential
pinion and differential side gear to the
factory specification.
Replace bearings.
Fill or replace transmission fluid.
Replace differential pinions or differential
side gears.
Replace differential lock.
Replace bearing.
3-S4
TRANSMISSION
Reference
Page
3-S73
3-S71
–
3-S16,
3-S30
3-S61,
3-S66
3-S64
–
9Y1211109TRS0003US0
KiSC issued 11, 2014 A