Mahindra Thar CRDe - Page 150

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, current 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 of 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.
Trouble Shooting Chart
PROBLEM
POSSIBLE CAUSES
CORRECTION
Gear Whine
• Low oil level
• Worn teeth gears
• Worn bearings

Top up oil.
 Replace gears
 Replace bearings.
Knocking or ticking
• Chipped gear teeth
• Foreign matter inside
transmission.
•
Defective bearings.

Replace gears.
 Remove the foreign matter
and locate how the foreign
matter came inside e.g.
missing breather and rectify
that also to avoid recurrence.
 Replace the bearings.
Jumping out of gear
•
Defective detent springs.
• Worn out grooves in shift rail.
• Shaft misalignment.
• Worn dog teeth in gear
• Worn out fork/ fork pads
• Worn out synchronizer body.
• Gear lever fouling.
• Bottom lever slot worn out.

Replace the detent springs.
 Replace the shift rails.
 Check & Correct it.
 Replace the gears
 Replace the fork/ pads
 Replace the body
 Check & correct.
 Replace bottom lever.
Unable to select gear
• Clutch defective
• Worn out selector mechanism.
• Worn out brass synchro ring.
• Gear clutch teeth damaged.

Rectify the clutch/ clutch
withdrawal mechanism
 Rectify the gear selector
mechanism.
 Replace synchro ring.
 Replace gear.
Hard gear shifting
• Clutch defective
• Improper or contaminated
lubricants
• Worn out brass synchro ring.
• Gear clutch teeth damaged.

Rectify the clutch/ clutch
withdrawal mechanism
 Replace the lubricant with the
specified lubricant.
 Replace synchro ring.
 Replace gear.
• Transmission assembly steps given below consist of Problems, Causes and Precautions while
assembling of sub components and main assembly.
• For more details on various problems and probable causes refer the assembly procedure section
prescribed in this manual.
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