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Old 04-21-2010, 10:26 PM   #1
morpheus
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Help!! Clunk/Toc noise

Hey guys,

I just took my 328is 98' out of storage and I started hearing this weird sound. It only happens at low speeds, usually when i'm almost completely stopped. I hear a clunk/toc noise 1 time. I hear it and I also feel it in the floor. It's intermittent but has happened to me when I was backing up as well at low speeds.

I've had the car up on the lift and we looked at everything and it all looks and feels tight. Anyone experience this or have any ideas what to look at?


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Old 04-21-2010, 11:14 PM   #2
craigIS
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Quote:
Originally Posted by morpheus View Post
Hey guys,

I just took my 328is 98' out of storage and I started hearing this weird sound. It only happens at low speeds, usually when i'm almost completely stopped. I hear a clunk/toc noise 1 time. I hear it and I also feel it in the floor. It's intermittent but has happened to me when I was backing up as well at low speeds.

I've had the car up on the lift and we looked at everything and it all looks and feels tight. Anyone experience this or have any ideas what to look at?


Thanks
I had something similar last year. Noise started only at low speeds, and when backing up. Got worse in a short period of time. I ended up having to replace my diff. I hope this isn't your issue. check for fluid after the car has been parked, look under the diff.
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Old 04-21-2010, 11:47 PM   #3
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I know that there are no leaks at my diff and fluid was replaced last year. It seems to be coming more from the front of the vehicle but it's really hard to tell for sure.
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Old 04-22-2010, 05:34 AM   #4
craigIS
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Wheel bearing maybe. I would go have it check out my a mech. Noises are not good, no matter how you look at it. Be safe and go get it checked out.
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Old 04-23-2010, 03:03 PM   #5
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almost like your exhaust is dragging noise? if so e-brake breakage someone in of of the wheels. or it couldl even be a faulty coil.

just from my experience
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Old 04-24-2010, 01:22 PM   #6
Dr. Flyview
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Does it match the speed of the car? I.e, does it increase in frequency or is it random/constant?

I have a weird popping that I can feel in my pedal and hear when it's quiet (low speeds/idling) that comes from the heater control valves. If my knobs aren't set all the way to cold or all the way to hot, this popping happens a few times a minute.
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Old 04-25-2010, 01:04 PM   #7
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I have the same noise but I only notice it when I'm stopped and idling and I can feel it very faintly through the brake pedal. It happens every few seconds. I've never noticed it while moving.
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Old 04-25-2010, 07:10 PM   #8
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I have the noise from the heater control valves but this is different, it only happens when i'm almost immobilized. Probably still going about 5 km/h but while im stopping and it only does it once. Usually takes a few stop and goes for it to come back. I hear it and feel it in the floor as well as the steering. Very strange as once again , we've had the car up on the lift and everything is super tight. No loose anywhere at all.
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Old 04-25-2010, 07:22 PM   #9
mhamouda
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i had a noise comin out of the front of my car.. i opened the hood to check it, it was comin out of the fan.. didnt pay much attention. on the weekend my fan shredded in peices and almost broke my radiator.. for the 2nd time!
it got loose from the clutch, the 3 bolts that hold it down got looses and it was wiggly which is what made the noise!

get it checked asap before bigger damage happen to you!
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Old 04-25-2010, 07:30 PM   #10
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Thanks but I've had the fan delete mod for three years now, I made sure to get that done before the fan exploded!
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Old 04-25-2010, 07:33 PM   #11
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no over heating at all even during summers? at alllllllll???
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Old 04-25-2010, 07:34 PM   #12
morpheus
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Nope, I've got a scanner plugged in at all times and the hottest it ever gets even in heavy traffic on a piping hot day is about 100c.
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Old 04-25-2010, 07:45 PM   #13
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then im deletin my fan too.. f that i still dont trust it from breakign again
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Old 04-27-2010, 09:28 AM   #14
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Actually come to think of it I did my fan delete last summer and I don't remember hearing that sound recently. Maybe it was the fan. Nice!
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