Unstable coolant temperature

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r2d2bis
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Joined: 29 Apr 2003, 04:56
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Unstable coolant temperature

Post by r2d2bis »

Hi guys,
another quickie :
Just changed the radiator on my 1.9D Zx, filled it up with new coolant.
Something weired has appeared :
Not only does the coolant temperature climb quite fast in traffic, but on the motorway (at 130kph) the coolant temperature varies from 80°C to just under 90°C, goes up and down all the time.
Before it didn't do it.
Mmmmm strange....
Does anyone have a clue ?
Cheers
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AndersDK
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Joined: 21 Feb 2003, 04:56
Location: Denmark
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Post by AndersDK »

Air in cooling system ?
On the BX - it's allways necessary to have the cooling system burp on your shoulder - if drained & refilled.
Simply park the car nose steep uphill - let idle for 30 mins - then let cool off & top up.
Remember to have cabin heat full on (not blower) - to remove air from heater matrix.
nick
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Joined: 14 Mar 2001, 01:49
Location: Market Rasen, Lincolnshire
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Post by nick »

Did you bleed the system to make sure there was no air left in it ?
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