Mahindra Thar CRDe - Page 129

Repair Manual MAN-00190
THAR CRDe BS-IV MAY 2012/Rev 1
The repair methods given by the manufacturer in this document are based on the technical specifications at the time of release. The methods may be modified as a result of changes introduced by the
manufacturer in the production of the various component units and accessories from which the vehicles are manufactured. The reproduction, translation, transmission, in part or whole of the present
document, are prohibited without the prior written consent of Mahindra & Mahindra Ltd. The use of this document by any person other than the trained personnel, at the Authorized Service Centre of
Mahindra & Mahindra Ltd., will amount to unauthorized use and shall be liable for penalty/prosecution© 2012 Mahindra & Mahindra Ltd.
Clutch grab/chatter
Observation
Causes
Remedial action
Clutch disc facing
contaminated with oil,
grease or clutch fluid.
Leak at :
1.
Crankshaft rear end oil
seal
2. Leak through the input
shaft
3. Excess amount of grease
applied to the input
shaft splines
 Replace seal & disc. Clean cover
assembly.
 Replace seal & disc. Clean cover
assembly.
 Apply less grease. Replace clutch
disc. Clean cover assembly.
Clutch disc / pressure plate
warped.
Disc
facing show unusual
wear
1. Incorrect or substandard
parts.
2.
Improper tightening or
loosening procedure.
3. Rough handling of clutch
plate or cover assembly
 Replace disc and cover with the
correct parts.
 Replace the parts and tighten as
per sequence.
 Replace the parts, ensure that
the rough handling is avoided.
Partial engagements of
clutch disc (One side worn –
opposite side glazed and
lightly worn.)
1.
Clutch pressure plate
position setting incorrect
or modified
2.
Clutch cover, spring or
release fingers bent or
dist
orted due to rough
handling or improper
assembly.
3. Clutch disc damaged or
distorted.
4. Clutch misalignment.

Replace clutch cover & clutch
plate.

Replace clutch cover & clutch
plate.
 Replace clutch plate.
 Check alignment and runout of
flywheel disc or cover.
 Replace the clutch plate & cover
assy (if required. Correct the
alignment)
No fault found with clutch
components.
Problem related to
suspension or driveline
components.

Further diagnosis required.
Check engine & transmission
mounting insulators. U Joint,
tyres, body attaching parts.
Clutch master cylinder or
slave cylinder piston
jammed/ scuffing.
Piston/ bore damaged or
corroded

Overhaul the master & slave
cylinder.
Tangential strap connecting
the pressure plate to the
diaphragm cover broken.
1. Incorrect driving practice

Mostly due to tow
starting in 1
st
or 2
nd
gear
Or

Incorrect gear selection

Advise the customer of the
consequences.
Withdrawal fork worn out Wear of the fork at pivot end
or the release bearing end

Replace the fork..
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