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2010 2011 BMW 5 Series Forum F10 2011 535i N55 waterpump question |
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02-06-2020, 07:07 AM | #1 |
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2011 535i N55 waterpump question
So guys I have a 535 with a out 120k on the clock and I have this thing with the fan where once it reaches about 100c the fan starts to kick in on and off at about 5 second intervals. The coolant temp then comes down to mid 90c. The oil temp sits at around 205f. What can this be, I've read that that's a sign that the waterpump might be failing, or the thermo, or the temp sensor. Before I go and pull the pump, can I test it?
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02-06-2020, 07:29 AM | #2 |
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When my water pump went out it didn't show any signs of issues. Just all of a sudden it went out. But when it did went out the car over heat and fan start kicking in super high and car went into limp mode with engine over heat warning.
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02-06-2020, 03:21 PM | #3 | |
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Quote:
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02-06-2020, 04:36 PM | #4 |
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I narrowed it down. My normal operating coolant temp with the heat off is 105c, which is normal, and the fan doesn't turn on. Once I turn the heat on, the fan starts to cycle, and the temp drops down first by 15 then almost by 20 Celsius. So wtf is going on.?
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02-06-2020, 05:07 PM | #5 |
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Nvm, just searched more around and found this thread - https://www.bimmerfest.com/forums/sh.../957487?page=1
Time to replace the shit pump. |
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