Getting warm! - Alfa Romeo Forum
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Alfa 156 2.4 JTD

TUT Getting warm!

Hi my 2.0 ts seems to have suddenly started running at 100 degrees whilst driving along with no traffic. Its always had a very small leak on the radiator but its full to the max line with water and still running this hot. The Rad looks to be in a poor state but that dont happen overnight and this seems to have come on quickly.
Do the thermostats cause problems with running temp often on Alfas?
Do they have plastic impellers on the water pump if so are they a known fault?
Is it safe to put Rad weld in or best to buy new rad?


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Re: Getting warm!

had that prob with old Sud - thermo failed and wasnt sending that water through the rad like it should
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Re: Getting warm!

It does sound like a waterpump issue to me. The ones on TS engines are pretty robust but failure is not unheard of.

I wouldn't use Radweld in any car. It will reduce the size of the coolant passages in the engine, and you can't remove it.

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Re: Getting warm!

I have the same and looking at the rad it was badly corroded, so I ordered a new one. Will be sorted next saturday.. but I have my doubts that it can also be the pump and/or thermostat. Normally my car ran a little cold (70ish) after fixing the gearbox and clutch it all of a sudden does this strange temp thing. Examiner showed that 100 on the gause was indeed 100.... waterpumps on the 156 are rather good, but they can fail like everything else.
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