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97 A4 1.8TQ Cabin Harmonic / Increased noise (esp. @ 40mph/60kmph and 60mph/90kmph)

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  #1  
Old 08-30-2009 | 07:26 PM
exodi's Avatar
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Default 97 A4 1.8TQ Cabin Harmonic / Increased noise (esp. @ 40mph/60kmph and 60mph/90kmph)

Over the past week or so I've experienced louder (harmonic) cabin noise, particularly at these speeds.

I passed it off as a leak in the exhaust and booked it into the garage this morning. After a cursory check with a couple of rags stuffed into the exhaust they agreed and sent me off to a muffler shop next door, saying that would be quicker than waiting for them.

The muffler shop put it up on a hoist, pressurised the exhaust and said they could not find a leak.

Obviously this is going to need to go back to the garage... but any thoughts as to cause would be appreciated???
 
  #2  
Old 08-30-2009 | 10:00 PM
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Right rear bearing. If it sounds like the exhaust, but louder and from the rear, then that would be my guess. Happened to me. And most others.
 
  #3  
Old 08-30-2009 | 10:55 PM
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yeah same thing to me that bearing does sound like my exhaust but louder haha
 
  #4  
Old 08-31-2009 | 07:23 AM
exodi's Avatar
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Default Costs...?

Thanks for the replies. Any idea what the right rear wheel bearing should run me cost-wise?

Parts? Labor?

Thanks again.
 
  #5  
Old 08-31-2009 | 11:15 PM
Tweaked's Avatar
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Also check the center driveshaft carrier bearing.
 
  #6  
Old 08-31-2009 | 11:25 PM
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the audi dealer told me $250 installed!!!! but i did it myself for $80
 
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