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knocking sound in first gear only

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Old Sep 6, 2010 | 05:10 AM
  #1  
2005evo8gsr's Avatar
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From: york, pa
knocking sound in first gear only

knocking/tapping sound in first gear only, it increases in frequency as the rpms increase. What could this be?

thanks
andrew
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Old Sep 6, 2010 | 05:41 AM
  #2  
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From: Orange/Rockland, NY
Originally Posted by 2005evo8gsr
knocking/tapping sound in first gear only, it increases in frequency as the rpms increase. What could this be?

thanks
andrew
If it doesn't knock at idle, I would say it's in the trans.
If it doesn't make noise in any other gear, it's probably first gear.

Since you are in York,PA. You know where to go....CBRD
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Old Sep 6, 2010 | 01:51 PM
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dreaded tranny whine?
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Old Sep 7, 2010 | 12:22 PM
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2005evo8gsr's Avatar
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Originally Posted by MazdaSpeed
dreaded tranny whine?

no it whines too but this sound is kinda like a cv halfshaft going out. but not when turning just in first gear


Do you think it could be a chipped tooth on first gear?

Last edited by 2005evo8gsr; Sep 7, 2010 at 01:49 PM. Reason: forgot something
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Old Sep 24, 2010 | 08:31 AM
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I called shep trans and explained it to them and they said it is rare but most likely that the first gear is damaged/chipped.
The dealer will be looking at it next thursday I will let you all know the outcome. I had to reschedule my appointment so that they could give me a loaner car...



http://forums.audiworld.com/showthread.php?p=23281588 <---------------------- maybe this too?

Last edited by 2005evo8gsr; Sep 24, 2010 at 08:40 AM. Reason: wanted to add a link
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Old Sep 24, 2010 | 02:03 PM
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Hopefully the dealer is looking at it under warranty? If not that could be a big bill. Just buy yourself a shep trans and be done
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Old Sep 24, 2010 | 02:42 PM
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first gear can shred up. this is after i drove it for only about 10 miles. input shaft was toasted, too. I would suggest getting it looked at soon.
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Old Sep 24, 2010 | 06:07 PM
  #8  
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Not uncommon to see first gear go. Down shifts and just general abuse from seeing alot of torque.
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Old Oct 11, 2010 | 04:09 PM
  #9  
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From: york, pa
[resolved]

The dealer removed and took the trans apart (no charge to me ...thank goodness) to find one tooth on first gear that was about to break off! So they are replacing firstgear hub/slider and synchro and all the bearings and seals in the trans no charge. While they are in there I am having them put a new clutch disc pressure plate and throw out bearing for just the cost of the parts!! I should be getting it back by the end of this week.
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