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C635 TRANSAXLE
6
splines. If necessary,
replace the clutch disc
NOISE IN A SPECIFIC GEAR
While driving, a noise is heard in a specific gear from the transmission area. The noise abates when shifted to
a different gear.
1.
CHECK THE
SYNCHRONIZERS
EVERYTHING OK
PROBLEMS
ENCOUNTERED
RESOLUTION
Remove
and
Disassemble
transmission to inspect
the
appropriate
synchronizer(s).
Continue to Step 2
Worn
or
damaged
synchronizer
components
Replace
worn
components
as
necessary.
2.
CHECK THE GEARS
EVERYTHING OK
PROBLEMS
ENCOUNTERED
RESOLUTION
Remove
and
Disassemble
transmission to inspect
the appropriate gears.
Continue to Step 2
Worn
or
damaged
synchronizer
components
Replace
worn
components
as
necessary.
3.
CHECK THE
DIFFERENTIAL
EVERYTHING OK
PROBLEMS
ENCOUNTERED
RESOLUTION
Inspect the differential
gears. In particular:
should not be worn or
damaged. must not
have an excessive
clearance.
End diagnosis
Worn
or
damaged
synchronizer
components
Replace
worn
components
as
necessary.
NOISE WHILE TURNING
While cornering, a noise is heard from the transmission area.
1.
CHECK THE
DIFFERENTIAL
EVERYTHING OK
PROBLEMS
ENCOUNTERED
RESOLUTION
Steer to the right or to
the left and see if the
noise increases.
Steer to the bottom and
then
release
the
steering wheel: make
sure that the noise
intensity increases or
not with the steering
angle.
Continue to Step 2
Noise level varies only
by steering to the right or
left.
Noise ceases while
steering is centered and
vehicle is moving in a
straight line.
Noise level varies greatly
with the steering angle.
Noise remains constant
with the steering angle.
Continue to Step 2,
CHECK
DIFFERENTIAL.
Continue to Step 2,
CHECK
DIFFERENTIAL.
Continue to Step 3,
CHECK CV JOINTS.
Continue to Step 2,
CHECK
DIFFERENTIAL.