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Old 01-13-2021, 08:15 PM
absolutezero273c absolutezero273c is offline
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I also thought the pump and o-rings where the problem until I replaced the entire assembly (pump, seals and filter screen) and it still leaked out. After that I really watched it and found the leak turned out to be the small hose that connected to the pumps. It is a tight fit but had to trim off a few inches of the tube running into the firewall before the leak stopped.


But this is only 1 of our 3 e53s that have had that issue. So I don't know that I myself would call this a common problem. But it appears StephenVA has better numbers on that.
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