Repair Manual MAN-00
190
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.
The functional system is shown in the block diagram.
Broadly speaking the water flows from the water pump to the Front cover from the cover it goes to
cylinder block and from the block to the cylinder head and then to the bottom of thermostat. In case
the thermostat is closed, water goes through the bypass tube to water pump. Once the thermostat
opens the water goes to the radiator and after getting cooled the water is again fed to the water
pump. One pipe goes from the thermostat housing to the heater core of HVAC unit and then returns
back.
Water pump & cover –
The coolant from the outlet elbow of the cross flow type radiator enters the inlet of the water pump.
The centrifugal water pump delivers the water to the front cover from there to the cylinder block.
Oil cooler
Thermostat
Bypass tube
Water
Pump
Front
Cover
Block
Cylinder
Head
Water flow
when
thermostat
is closed
Heater of
HVAC system
Radiato
r
EGR Cooler
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