vw tdi over heating

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tjoh84

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posted on 20/4/08 at 04:40 PM

vw tdi over heating

got a vw golf tdi just started over heating help needed please

iv check a few things

first it only over heats when driving but is fine on tick over

the fans kick in a run no prob

the water lebal is fine

oil is fine

not sure what it can be really any one here any ideas

its a 1.9 130 pd if that helps on a 02 golf
so dont want to be spending loads lol

rusty nuts

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posted on 20/4/08 at 04:50 PM

Does the heater work when its overheating? if not it may be the water pump impeller faulty. Get it tested for head gasket failure? Possible thermostat failure ? blocked rad ?

tjoh84

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posted on 20/4/08 at 04:52 PM

sorry yea no no heating wel luke warm not like norm as i tride to see if that would bring temp down

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posted on 20/4/08 at 04:53 PM

plastic impeller on the pump has split done loads of them,all the replacemant ones are metal

tjoh84

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posted on 20/4/08 at 04:56 PM

is it costy job to have done roughf idea

rusty nuts

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posted on 20/4/08 at 05:00 PM

Change the timing belt and tensioner while your at it . As said a lot of later VW water pump impellers are made of plastic and come loose on the shaft.

tjoh84

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posted on 20/4/08 at 05:55 PM

had new belt and put only 20k two year ago

R1 STRIKER

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posted on 20/4/08 at 06:16 PM

The guy that services my taxi changes the water pump when he does the cam belt. Says they are a common problem. From memory I think the kit was about £40. False economy not to do it whilst cam belt is off.

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posted on 20/4/08 at 06:34 PM

just done a passat diesel impellar had un- bonded on the water pump common problem

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posted on 20/4/08 at 07:04 PM

quote:
Originally posted by tjoh84
had new belt and put only 20k two year ago

For the price of a belt it's simply not worth re-using one unless it's literally a few miles old.

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