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BMW 3-Series (E90 E92) Forum
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BIG Problem Water Pump Help
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03-17-2011, 08:29 AM | #1 |
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BIG Problem Water Pump Help
Okay so here is the deal, I have a 2007 E92 335I with 37k miles. I had to get the radiator changed out. So I got everything done and poured in new fluid trying to pump the air out of the system. Letting the air out through the screw by the coolant reservoir cap. Spent the whole day doing that but the heater doesn't blow hot air and after 20min the overheating indicator will turn on in yellow then in red. The car will go into limp mode. I started off by changing the thermostat, nothing. I ran the car on the scanner, and it seems like the water pump will not turn on through the system. Checked the connectors and we are getting two negatives and one positive feed. What could this be? Bad fuse or relay? Low battery power? Cut somewhere in the line? Any help would be appreciated. Thanks guys.
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03-17-2011, 08:43 AM | #3 | |
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Quote:
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03-17-2011, 10:00 AM | #4 |
Been there, wrecked that.
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It sounds like your system is full of air. There is a BMW procedure in the DIY section on how to vent the air out of the coolant system. I would start here first.
The Venting procedure will turn on your electric water pump. You will clearly hear it. That will tell you if you have a waterpump (no power/seized) issue right off.
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~199K miles. I -still- don't fear my 335i. Last edited by Bcube; 03-17-2011 at 10:06 AM.. |
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03-17-2011, 10:01 AM | #5 |
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03-17-2011, 03:16 PM | #6 |
Been there, wrecked that.
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Could be. Anytime someone starts a sentence with "I had to get the radiator changed out.", you know there is more to the story.
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~199K miles. I -still- don't fear my 335i. |
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09-17-2012, 08:33 PM | #8 |
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I need your help
What is it exactly that you changed or fixed. I am having the same problem and would like to know if you could be more specific. If you would like to help just reply here or email me vallejoamen@aol.com I was about to change the water pump but this gave some hopes
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09-02-2015, 04:01 PM | #9 |
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Water pump failure
I just had an issue with my fan belt, when I changed it my car started over heating later I discover the water pump has failed. Pls help guys. What might have caused the problem..
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