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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > Water pump is on but coolant will not bleed.



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      05-11-2023, 08:35 PM   #1
n54.whor
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Water pump is on but coolant will not bleed.

I recently installed a top mount single turbo kit on my 335. Upon trying the normal procedure to bleed the coolant I found issues. My water pump seems to be doing its job (it makes noise and I can feel water flowing through radiator hoses) , however there is no sign of any coolant flowing through the overflow bottle. And the coolant level stays the same each time I bleed it. I have a hunch that it may have something to do with the way I relocated the overflow tank. Attached are two photos of the hoses I have routed. If those aren't sufficient I can share some more. I'll note that the water pump is quiet loud while its trying to bleed the system. I'm not sure if that's normal. It is the original pump so I wouldn't be surprised if that was the issue. However I could feel coolant flowing through the rad hoses as it was running. Any info is appreciated thank you!
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      05-11-2023, 08:37 PM   #2
corkyboi
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sounds like its time for a new motor. someone must have intentionally fucked it up for you for it to be that bad. trip to the junkyard soon?
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      05-11-2023, 09:50 PM   #3
MADDX6TT09
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Are you getting air in the system? Maybe you have aleak on the suction side of the pump?
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