4.6L (1996-2004 Modular) Mustang Technical discussions on 1996-2004 4.6 Liter Modular Motors (2V and 4V) within.

whinning

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Old 05-08-2006, 06:59 PM
  #11  
wwmost
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Default RE: whinning


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ORIGINAL: Auto03

I have a 04 GT 5 spd, i just had 3.73's installed and about a week later i'm hearing this horrible whinning noise and it only does it when the car is in gear....soon as i take it out of gear it stops......is this a rear end problem? i'm positive that the backlash was perfect on it cause i watched them do everything what else could it be? my transmission has been acting up (grinding when i slam it in 3rd) could it be a possible tranny problem.....any input would be great..............thanks
you probably got those Motive geras huh??
If so that is the problem.. and to fix it, replace them ASAP with the ford 4.10's!
motives are great gears prob with as much quality as frpp. its richmond that you need to watch out for. they whine like hell but are great gears for off road use(track, strip)
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Old 05-08-2006, 07:42 PM
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sprostang
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Default RE: whinning

I had a similar problem to that after I had my 4.10`s installed. My problem was when I let off the gas while still in gear, I heard this terrible rohring sound mainly in 4th and 5th. Coasting in neutral, everything was fine. Turned out the pinion just needed to be adjusted. The installer said it was a little too tight. Since it was adjusted there hasnt been any odd noises at all.
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Old 05-08-2006, 10:54 PM
  #13  
Auto03
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i've got the FRPP 3.73's....it's makes the most noise cruising at around 1500 rpm......it's extremely annoying i've just been turnin up the radio latley.....i'll get back up to the shop and have them check it out....if there is anything wrong with it they will fix it for free no doubt....appreciate the feedback
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Old 05-08-2006, 10:57 PM
  #14  
sprostang
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Default RE: whinning

Sounds like they have to re shim the gears.
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Old 05-08-2006, 11:08 PM
  #15  
Auto03
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i just dont see what could of happened cause we measured the backlash and it was right on the money unless something in there settled or somethin i'm not sure whats up.....but i've got some extra shims, so hopefully if thats the problem it'll get figured out...thanks
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Old 05-08-2006, 11:30 PM
  #16  
Dan04COBRA
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Default RE: whinning

ORIGINAL: GTnAZ


ORIGINAL: Auto03

I have a 04 GT 5 spd, i just had 3.73's installed and about a week later i'm hearing this horrible whinning noise and it only does it when the car is in gear....soon as i take it out of gear it stops......is this a rear end problem? i'm positive that the backlash was perfect on it cause i watched them do everything what else could it be? my transmission has been acting up (grinding when i slam it in 3rd) could it be a possible tranny problem.....any input would be great..............thanks
you probably got those Motive geras huh??
If so that is the problem.. and to fix it, replace them ASAP with the ford 4.10's!

Bull. I won't let you spread crap about motives being the problem. Motive's AREN'T the problem. Some retarded mechanics have a harder time setting them up. FRPP's claim to get the pinion depth set much easier. My installer did my Motive 4.30's and they didn't make a sound, neither do my buddies 4.10's.

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