|10-20-2009, 06:38 PM||#1 (permalink)|
Join Date: Oct 2009
Rear End Problems (whisteling!!!) HELP!!!
3 Months ago I decided to take out the stock gears out of my 99 mustang GT (auto), i bought a set of yukon 4.10's and had them installed at a reputable transmission shop. One day one of my new gears the rear end whistled very loud on the decel. ( it only whistles while moving at 35mph and over, with your foot off the gas). The transmission shop decided to reset the gears and to know avail, the same problem. I turned the yukons in on a factory defect and got a set of ford racing 4.10's. And yet, they are still whistling. And it is loud! Sounds like a dang jet landing beside me. Does anyone know whats causing this? Also, I bought the complete bearing and seal rebuild kit for the rear end the first time i put the 4.10's in. Some please help, the labor ford all this rear end troubleshooting is costing alot!
|02-03-2010, 05:54 PM||#2 (permalink)|
Join Date: Dec 2006
Location: new york
Re: Rear End Problems (whisteling!!!) HELP!!!
well usally when the pinion depth is not right there will be a loud noise and vibration when accelerating,,usally when on deceleration its the carrier bearings..but it could be a few things,and if i could see the rearend apart in person i could tell you whats goin on..i have had the best luck with ford racing gears they are made really good and require min amount re shiming , so i would lean more towards the person installing them wrong.mabey they didnt put the pinion shim in that will ware out teeth and make one hell of a noise.....ps once the gears are worn from improper install or make vibration or noise even if you re shim and get it right it will make noise
347 stroker all forged,arp everything,stud mains w/girdle,7qt pan,full roller, custom cam, aluminum heads swirl valves 5 angle valve job.quick fuel 750,areomotive pump,cobras w/nitto drags,and m/t et drags for the track, ford racing 373 gears,centerforce clutch,tko500,underdrive pulleys,bassani x-pipe,flowmasters
^best et so far 11.6 1.61 60ft coming soon 9sec et's
1992 mustang gt
2001 gmc 1500 4x4
78 century boat
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