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Problems, Servicing & Repairs Information and topics about technical problems, servicing and repairs to the Rallye

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Old 13-09-2015, 10:14 PM   #1
matt3743
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Nissens Radiator Running Hotter

Just after a bit of guidance. Had a Nissens radiator fitted. New coolant, properly bled etc. Previously with the old (f*cked) rad, the temp would sit bang halfway at all times. Now I notice the temp will rise to between half and 3/4 before dropping back to halfway when driving. When stationary the temp will sit on 1/2. Seems odd, I wouldn't expect it to run hotter or fluctuate as it does when moving. Any ideas?

System has been bled through only things I can think are

Re-Bleed system
Radiator cap? Although it's the new one that came with the rad.

I'm at a loss as to why this would be running hotter than the old one which was ruined
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Old 13-09-2015, 10:18 PM   #2
mattrallye
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I would re bleed it mate from the 3 bleed points. Try that first.
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Old 13-09-2015, 10:33 PM   #3
matt3743
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Yeah I will try it tomorrow. Seems very odd it runs hotter. But it fluctuates in the way I'd expect it to if it had a small airlock

It's the push and turn metal type rad cap. I've read of people having issues with these.

Last edited by matt3743; 13-09-2015 at 10:36 PM.
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