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Go Back   Bimmerfest - BMW Forums > BMW Model Discussions > 7 Series / 8 Series > 7 Series - E38 (1995 - 2001)

7 Series - E38 (1995 - 2001)

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  #1  
Old 07-03-2013, 06:17 PM
First740il First740il is offline
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Knocking....

So, I cut the mufflers off. My car dose not leave any spots in my drive way oil is full trannt was serviced last summer. I drove the car today fine. Get into it after work and it is making this knocking charter noise. Is it possible something came loose in the exhaust. Dose the tranny make a noise if the fluid is low?? It is not constant so I'm hoping its not motor. Any help please???
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  #2  
Old 07-03-2013, 09:23 PM
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ebida3 ebida3 is offline
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Record the sound and post it please.
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  #3  
Old 07-04-2013, 06:30 AM
First740il First740il is offline
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Re: Knocking....

It won't let me upload video.

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  #4  
Old 07-04-2013, 01:33 PM
First740il First740il is offline
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Re: Knocking....

Platinum came loose in the cat. Money for me!!!

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  #5  
Old 07-14-2013, 05:37 PM
Podmore Podmore is offline
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Quote:
Originally Posted by First740il View Post
So, I cut the mufflers off. My car dose not leave any spots in my drive way oil is full trannt was serviced last summer. I drove the car today fine. Get into it after work and it is making this knocking charter noise. Is it possible something came loose in the exhaust. Dose the tranny make a noise if the fluid is low?? It is not constant so I'm hoping its not motor. Any help please???
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More info please. BTW I'm curious why you started the post with "I cut the mufflers off" and went on to mention oil etc.

Where is the knocking noise coming from (are you sure you don't have a stowaway in the trunk?) - rear of the car, under the driver's seat, front of the car?
Does it knock only when driving, or as soon as the engine is started?
If it knocks while driving, is it a regular or intermittent knock?
Does it knock while accelerating, steady driving, or braking?
Does it knock when cornering?
Is it a dull knock, a sharp knock, a clunk or a rattle?
If it is coming from the engine, does the knock get louder as you rev the engine?

We armchair diagnosticians like to have lots of clues, otherwise the guessing game can go on for days while we wring the details out.
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  #6  
Old 07-14-2013, 08:55 PM
First740il First740il is offline
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Re: Knocking....

Dude I got it calm down. Some times you have to read the whole post. Yeah I understand what yo mean. I went in to oil to state it was full. I your car is as knocking wouldn't you check oil first????

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  #7  
Old 07-14-2013, 09:00 PM
lamarselby lamarselby is offline
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lolol. what part of michigan are you from first740?
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