Bmw E46 Water Pump Leak

Two hard plastic hoses with time become brittle and fall apart causes rapid l.

Bmw e46 water pump leak.

Everything sounds easy when you say it fast 2001 2005 bmw 325i expansion tank removal and replacement 2002 bmw came in with an antifreeze leak luckily for. Usually the first signs of water pump failure in your e46 are coolant leaks and whining sounds from the pulley. Coolant leak underneath intake manifold. E46 waterpump failure coolant leaks from the weeping hole.

The water pump on my e36 started to leak in the same place as you are describing after 80k miles. Every mechanically driven water pump has a weep hole that might leak a little in the beginning. Like all mechanical parts the bmw e46 water pump has a limited life span and should be replaced at the first signs of wear or after an extended time in use. Here are 5 signals that a bmw water pump failure is imminent.

If you notice leaking liquid coming from the front part of your car you should always pay attention to it as it may be a symptom of problems yet to come. Therefore bimmer owners should check their bmw water pump for failure as soon as they suspect a problem. Https youtu be ukfe919xuoa this video is for entertainment purposes only. A mechanical seal has a break in period of about ten minutes meaning that it takes about ten minutes of operation for the seal to properly seal itself.

1999 bmw 328i 5 speed 250 000 miles. I have seen this problem cause a water leak many times on all different bmw models including e46 3 series e39 5 series and e38 7 series as well as newer mo. Other symptoms prior to this was a raspy marble sound from under oil filter stand at idle. If you haven t seen part 1.

Replacing it with a new one cured the drips. Start your testing with a cool engine. Bearings in the pump have failed. If you do not find the leak warm the engine with the pressure tester installed.

Some seepage from the weep hole is completely normal with a new water pump.