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Old 09-18-2007   #1 (permalink)
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Exclamation Howling Noise From 3:73 Gears And T-Loc Installed In 2006 Mustang! How Can I Fix?

recently had 3:73 gears (fomoco) and a T-loc installed. Now the damm thing howls all the time,very annoying. Anyone have the same problem and/or hints on how to correct it??? other than putting banana peals in the differential
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Old 09-18-2007   #2 (permalink)
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Almost certainly a bad gear setup. If there's a wear pattern, there's no recovering those gears.
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Old 09-18-2007   #3 (permalink)
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Take it back to where you had it done.

I had my Ford dealer do my T-LOK install (Stock gears with 38k).

Absolutely ZERO noise (except from tires)...

Hopefully it didn't already damage the gears or T-LOK.

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Old 09-18-2007   #4 (permalink)
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yup, your gonna want to get that fixed. I've read plenty of horror stories of that kinda thing happening.. thats why i never bought gears yet, but when i buy my blower in a yr or so imma have them do my gears while they are at it.. lol just hope it goes ok.. n doesnt have a Howling noise..
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Old 09-19-2007   #5 (permalink)
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its either a bad gear setup like stl mentioned or the pinion bearings were overtorqued and now they are takin a dump. either way its bad, but the bearings if thats what is bad will only make noise for so long before they cease to spin resulting in a locked up rear. dont hold out too long to have it looked at.
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Old 09-24-2007   #6 (permalink)
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had the rear end checked today,,,the cars...The installer sais all the settings were correct,no apparent wear on the ring and pinion.Something was a .005 off and he corrected that. Bearing were/are new and ok. Suggested a Lucas additive to reduce the noise and get somemore miles on it. Then if it still makes the noise to check back where I got the gears and see if I can exchange them. Hmmm
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Old 09-24-2007   #7 (permalink)
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This may be a stupid questin but does the same T-lok fit all 7.5 28 splines???
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Old 09-24-2007   #8 (permalink)
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Quote:
Originally Posted by Ponyone View Post
This may be a stupid questin but does the same T-lok fit all 7.5 28 splines???
Yes... You need p/n FMS-M-4204C75
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Old 09-25-2007   #9 (permalink)
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You didn't go around doing wild, crazy burnouts in the first 500 miles and driving 110mph did you?
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Old 09-25-2007   #10 (permalink)
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nope no burnouts for a couple hundred miles and not over 70mph,,for quite awhile yet.Only 87at the strip...
was advised to put some Lucas synthetic gear lube in it to quiet it down a bit.
Hope some of the noise gets dampened with the new driveshaft and axle housing cover.
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Old 09-25-2007   #11 (permalink)
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Quote:
Originally Posted by mrjimmy View Post
nope no burnouts for a couple hundred miles and not over 70mph,,for quite awhile yet.Only 87at the strip...
was advised to put some Lucas synthetic gear lube in it to quiet it down a bit.
Hope some of the noise gets dampened with the new driveshaft and axle housing cover.
You should try 50g of LiquiMoly MoS2 Anti-Friction Gear Oil Treatment. Great at quieting noisy gears.
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Old 09-25-2007   #12 (permalink)
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Quote:
Originally Posted by stlwagon View Post
You should try 50g of LiquiMoly MoS2 Anti-Friction Gear Oil Treatment. Great at quieting noisy gears.

could you clarify...50g Liquimoly MoS2
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Old 09-25-2007   #13 (permalink)
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LiquiMoly makes a product that contains the lubricant molybdenum disulfide. Works wonders on quieting gears since it binds to the metal.
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Old 09-25-2007   #14 (permalink)
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got it on the liquid moly,what is the 50g ? thats what I was wondering about.

Thanks
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Old 09-25-2007   #15 (permalink)
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Quote:
Originally Posted by mrjimmy View Post
got it on the liquid moly,what is the 50g ? thats what I was wondering about.

Thanks
One tube=50 grams... Sorry.
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