disc overheating

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unclebuck

New Member

Posts

3

Location

manchester

• Mar 13, 2010

• #1

hi. hope some one can shed some light on a problem my nephew is having with his 300 tdi.it keeps overheating.had headgasket done,disc run ok then gasket went again,this turned out to be blocked hoses,head gasket done again. runs ok.but now overheating again, taken the thermostat out runs ok.put thermostat back overheats, been told its the head gasket again.he says he will buy a new cylinder head and gasket

 

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rooky1

New Member

Posts

80

Location

Leyland, Lancashire

• Mar 14, 2010

• #2

Have you checked that the thermostat is working correctly i.e opening at the correct temp etc?

 

Dewin

Well-Known Member

Posts

4,912

Location

NE Wales

• Mar 14, 2010

• #3

rooky1 said:

Have you checked that the thermostat is working correctly i.e opening at the correct temp etc?

Click to expand...

Check your earth's too, I had an earth cable come loose and made the temp gauge hit the red despite all being fine engine wise (mine was the battery earth).

 

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unclebuck

New Member

Posts

3

Location

manchester

• Mar 15, 2010

• #4

put new thermostat in,still the same
many thanks for the reply

 

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unclebuck

New Member

Posts

3

Location

manchester

• Mar 15, 2010

• #5

has done this also.I think it is a hose that is blocked but he says they are ok
many thanks for the reply

 

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oversteer

New Member

Posts

40

• Mar 17, 2010

• #6

lots of possibles here........

is it literally overheating and throwing water out??
if so could be cracked head, was it pressure tested when it was off????
if it's not throwing water out but temp gauge is reading high then it could be airlocks in the coolant.........

 

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discomania

Well-Known Member

Posts

6,947

• Mar 18, 2010

• #7

When the HG failed did he check the head for warping? Is he loosing coolant? It could be HG related again or there is a SERIOUS blockage in the engine, did he drain the block and flush it all out?

It could also be as basic as an air lock, the cooling system in these has a water circuit that is not too clever; there are high bits (on the heater lines) which can cause airlocks in the system which can cause overheating.

 

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little-daz

New Member

Posts

1

• Mar 24, 2010

• #8

unclebuck said:

hi. hope some one can shed some light on a problem my nephew is having with his 300 tdi.it keeps overheating.had headgasket done,disc run ok then gasket went again,this turned out to be blocked hoses,head gasket done again. runs ok.but now overheating again, taken the thermostat out runs ok.put thermostat back overheats, been told its the head gasket again.he says he will buy a new cylinder head and gasket

Click to expand...

hi had the same problem to find out it was the RADIATOR had broken down the fins had gone run your truck till it over heats and check rad to see if its cooling ok,could be the problem mine was,best of look
little-daz