Mahindra Thar CRDe - Page 18

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.
6. Wear in piston rings & liner.
7. TC oil seal leaks
if required.

Check the compression pressure,
replace rings & liners.
 Check the Turbocharger if defective
get it attended.
White smoke. 1. Improper timing
2. Defective cylinder head gasket.
3.
Restriction in fuel supply
 Check sprockets & chain for wear.
Rectify
 Replace the cylinder head gasket.

Remove the restrictions.
Starter will not work
or only cranks slightly
1. Electrical complaints.
2. Check water level.
3. Hydrostatic lock

Refer the electrical section.

If water level reduced drastically
then check for hydrostatic lock.

Remove the water in the cylinder
and find the cause for water entry.
Starter will not crank
the engine.
1.
Weak battery.
2.
Corroded or loose battery
connection
3. Faulty starter.
4.
Improper earthing.

Check the battery specific gravity.

Clean & tighten battery
connections.
 Repair starter.

Rectify earthing.
Noisy valves 1.
Tappets loose.
2. Rocker arms
touching the
rocker cover.
3. Thin or diluted oil.
4. Low oil pressure.
5. Bent push rods.
6. Worn rocker arms.
7. Worn valve guides.
8. Excessive runout of valve seats
9. Oil thickening

Set the tappet clearances.

Install the correct rocker cover
gasket/ change the rocker cover if
problem persist.
 Change oil.
 Check the oil level.
 Install new push rods.
 Replace the rocker arms.
 Replace the valve guides.
 Grind valve seats and valves.

Replace oil & find the reasons of
thickening, rectify.
Oil pressure drop 1. Low oil level.
2. Defective oil pressure sensor.
3. Clogged oil filter.
4. Clogged oil cooler/strainer
5. Pressure relief valve in oil filter
bracket stuck.
6. Oil leaks- internal
7. Worn parts in oil pump.
8. Excessive oil clearances
9. Thin or diluted oil.
10. Excessive bearing clearance.
11. Oil pump relief valve stuck.
12.
Pump cover warped/ cracked
 Check engine oil level.
 Install new sensor.
 Replace filter.
 Clean the oil cooler/ strainer.

Clean the valve & bore and
assemble.
 Check leak at
the block & front
cover or any of the MOG plugs
 Replace the worn parts or pump.
 Check oil clearances.
 Change oil to correct viscosity.
 Remove the valve, inspect, clean &
refit.
 Remove sump, inspect the parts &
replace.

Install new pump.
Oil leaks 1.
Worn oil seals
2.
Misaligned or deteriorated
gaskets.
3. Loose fastener, broken or
porous metal parts

Replace seals.
 Replace gasket.
 Tighten fastener
 Repair or replace.
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