Shake, rattle and roll
: MY Proton Wira 1.3 (manual) judders each time the clutch is released.
My mechanic suggests that the gearbox requires overhauling but I am not convinced, as my vehicle has only clocked
26,000km. Please advise as I do not wish
to spend an exorbitant amount of hard-earned cash only to find the problem
CLUTCH judder is a common problem on
manual transmission vehicles. However,
this may be caused by one or more factors, and the amount of time and cost of
eliminating the judder very much.
depends on the cause of the judder in the
Clutch judder is caused by the uneven
'take-up' in the drive between the engine
and the final drive (transmission) of the
vehicle. The most common causes are a
warped clutch friction plate or a weak
pressure plate. In both cases, the friction
between the friction and pressure plate is
uneven along its circumference resulting
in the judder.
Replacing the items is the only solution,
and it is advisable to use parts supplied by
the vehicle manufacturer, since 're-manufactured' or pattern parts may only resolve
the situation for a short while.
The more rare causes of clutch judder include a distorted flywheel and
wobbly gearbox layshaft. A distorted flywheel can
be machined to present a perfectly flat
surface to the clutch components while a
wobbly gearbox layshaft can only be cured
with a complete gearbox overhaul.