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Author Topic: High running temp  (Read 1859 times)

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Kneepad

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Re: High running temp
« Reply #15 on: 07 October 2010, 21:37:26 »



I would go for the cheapest and easiest option first as suggested above. Drain and flush the system. Unless someone comes up with a better plan.
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Abiton

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Re: High running temp
« Reply #16 on: 07 October 2010, 21:44:04 »

I think I'd be considering a coolant change, with a very thorough flush of the radiator, remembering that all the horizontal pipes are in parallel, so just seeing a decent flow coming out doesn't mean that all the pipes are flowing clear. 
Hosepipe on full mains pressure/flow for quite a while seems to me the best strategy, from both top-to-bottom and vice-versa, guiding the 'exit' flow away from stuff you don't want to wet as reqd.

Probably even better to remove the rad, so you can hose out the air fins as well.  Bit more hassle though.
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Rainmaker

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Re: High running temp
« Reply #17 on: 07 October 2010, 21:56:59 »

thanks guys i have a high pressure system at my disposal so ov the weekend ill flush and renew the coolant...
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Kneepad

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Re: High running temp
« Reply #18 on: 07 October 2010, 22:17:27 »

Quote
Quote

 ;D ;D

Not a lot of help:  48 Battery voltage low.
                            31 just tells you the engines not running.



 ;D that i know myself as 31 is cranksensor but ill be testing the battery in the morn in daylight...

For information only  ;)
19   Incorrect RPM Signal  -  Faulty crank sensor

31   No Engine RPM Signal - Engine not running
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Kevin Wood

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Re: High running temp
« Reply #19 on: 07 October 2010, 23:55:01 »

If you're going to flush it, might be worth pulling the water pump out just to make sure the impeller is intact? Will help you thoroughly flush the block anyway.

Kevin
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I_want_an_Omega

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Re: High running temp
« Reply #20 on: 08 October 2010, 17:39:29 »

I had this exact same problem on my '99 3.0.

Turned out that the impellor on the water-pump was just spinning on its shaft!

Be careful though - if you change the water-pump by itself you will end up with a wet cambelt. Unless of course you protect the pump the deluge that will result.

You might as well flush the system while you are about it - dont forget to reverse flush the heater matrix to get the gunge out.
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Rainmaker

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Re: High running temp
« Reply #21 on: 08 October 2010, 18:56:33 »

Diagnosis = Failed water pump...

Thanks for the input all, looks like Ive got a weekend on the car already..
While i was sorting through a few things i tested the battery  which passed OK as it was brand new in June 2010, seems the alternator is failing also so while I'm doing the water pump ill do the alternator as well..

so cam belt kit, water pump change and alternator
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