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TRANSAXLE
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1.6 GENERAL SYMPTOMS AND DIAGNOSIS:
Complaint
Component
Causes
Remedy
1. New Clutch : Difficulty in changing gear
Difficulty in changing
gear,
following
replacement of clutch.
Burrs thrown up around
splines causing stiff
movement on input
shaft.
Due to poor alignment of
the
transaxle
on
reassembly.
Always use clutch
aligning mandrel while
assembling the clutch.
The driven plate was
improperly aligned.
Do not force the
transaxle but rotate the
flywheel or transaxle
shaft to line up input
with splines.
Aggressive location of
shaft into hub.
2. Loss of Drive : With recently fitted clutch
Loss of drive and loud
clatter, even though
vehicle has covered only a
few kilometers.
The center hub of the
driven plate has ripped
out and possibly one or
more of the springs have
been pushed out.
The weight of the
transaxle has been hung
on the clutch assembly.
This has distorted the
driven plate resulting in
failure within a short
period of use.
Ensure
that
the
transaxle shaft and
transaxle are not hung
on the clutch driven
plate by using a pit
jack or trolley jack to
support the gearbox on
reassembly.
Very aggressive clutch
control. i e. “Racing
starts” or towing a
heavier vehicle.
Do not “boy race”
Educate the
driver.
Do not tow heavier
vehicle.
3. Slipping Clutch
Clutch slips
The clutch friction
material is
contaminated.
There may be an oil leak
from the engine or
transaxle.
Carefully check the
condition of engine and
gear- box oil seals.
4. Juddering During Pulling Away
Clutch judder on initial
take up of torque.
Oil or grease found be-
tween the clutch disc &
clutch cover.
Excessive
grease
applied on input shaft
splines.
Only
use
the
recommended amount
and type of grease.
Avoid
excessive
lubrication which could
contaminate
the
frictional surfaces.
5. Noisy Clutch
The clutch is noisy
A location lug on the
release bearing has
broken.
A lug has broken.
Another fault in the
mechanical operation of
the clutch has caused
the lug to break.
For example, the yoke
arm is out of shape or
wrongly positioned at the
time of assembly.
Check the yoke and
the guide sleeve and
replace.
If signs of wear are
present.
Ensure
components
are
lubricated.