2003 Mustang GT-transmission 5th gear noise..Help - Ford Mustang Forum
 
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post #1 of 3 (permalink) Old 04-11-2010 Thread Starter
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Angry 2003 Mustang GT-transmission 5th gear noise..Help

I bought my 2003 GT two weeks ago. Whenever I am in 5th gear I get this whirling/almost grinding sound. It is pretty loud and sounds like it coming from the shifter area. When I shift out of 5th into neutral the noise is still there. From neutral I pull it into 4th and the noise goes away. Then back into 5th it starts with the whirling/grinding again. Then I repeat...5th to neutral still there...neutral to 4th its gone...back to 5th the noise is back. Also, it only happens when I am above 50mph. The sound also goes away after about 15 mintues of 50mph+ driving.

The car came with a MGW shifter and initially I thought it was just noise from the shifter. So I got a used stock shifter, put it in and the noise is still there. Not any quieter or louder...the same.

Please help...any thoughts at all? Should I be looking for a new tranny?

2003 GT
MAC Prochamber
Flowmaster catback
MAC CAI
4.10 gears
SCT X2

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post #2 of 3 (permalink) Old 04-12-2010
04GTYellowStang
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you may need a more up to date/accurate tune it sounds like to me..

what are your rpms when you hear this noise?

also it may be your 4.10's... maybe 3.73 would be better

post #3 of 3 (permalink) Old 04-12-2010 Thread Starter
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I was told the tune is current to 2009, but the tuner is from 2006ish. I am running anywhere from 1800 - 2400 rpms. The noise doesn't vary with engine speed, mainly just car speed at 50mph+. I can run 4th gear up to 50mph+ and the sound is not there...Hell I had 4th to 104mph Saturday at the track and no noise. Just in 5th.
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