E39 540 "Check Coolant Level" |
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__CRiSiS__
Newbie Joined: 05-April-2004 Location: Doncaster Status: Offline Points: 32 |
Topic: E39 540 "Check Coolant Level" Posted: 25-November-2005 at 04:40 |
Morning all. I have a quick query re: a "warning" message I receive on cold mornings, which to be honest is every morning at the moment The warning is: "CHECK COOLANT LEVEL" I have checked this numerous times at various times of the day and, as far as I can tell, its OK.
NOTE: This only happens on cold mornings. |
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oddball
Senior Member I Joined: 18-February-2005 Location: Shepperton Status: Offline Points: 112 |
Posted: 28-November-2005 at 08:33 |
Suspect coolant level sensor. You could try measuring the resestance level acrosss the sensor but having said that I don't know what the acceptable values would be - sorry! Any one here know? I have the same problem by the way. I'm having a new radiator fitted + new sensor tomorrow so I'll see if this clears it. If not then I'd guess it would be a weakness in the wiring or the CCM unit in the fusebox. Nev |
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donut
Advanced Newbie Joined: 20-February-2005 Location: Chippenham Status: Offline Points: 38 |
Posted: 28-November-2005 at 11:59 |
Usually down the a problem with the sensor and/or expansion tank.
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gordon530
Senior Member II Joined: 03-November-2004 Location: Alton, Hampshire Status: Offline Points: 175 |
Posted: 28-November-2005 at 12:11 |
I had this issue with a 1998 540i, and on my car the problem was the sensor which is in the expansion tank. Cost £120 to put a new tankin at the dealers.
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__CRiSiS__
Newbie Joined: 05-April-2004 Location: Doncaster Status: Offline Points: 32 |
Posted: 29-November-2005 at 04:48 |
Thanks for the info fellas!
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