Rearend help ASAP

lvmustanggt · May 27, 2007

Today I was going to install my rear end gridle and saw rear bad *****. Most of the bolt are loose very loose, one was off and sitting on the rearend houseing. I need help ASAP and if any one knows how much to torque this bolt.

Please help , how can it get loose like this ? I had my rear end 3.73 put in like year ago.

SilverBullet00 · May 27, 2007

wow, that sucks! Who installed your 3.73s? Id be giving them a call!

SilverBullet00 · May 27, 2007

I think they torque to 70ft lbs....

lvmustanggt · May 27, 2007

I found the torque and it's 77ft lbs. How that happen ? The shop I got it done is close today , will call them tomorrow but for now can I torque them and put lubs just to drive to them ? Nothing else is damage ,only those bolts are loose
Thank god nothing else bad

twogts4us · May 27, 2007

If nothing else is damaged or broken, you are incredibly lucky.

lvmustanggt · May 27, 2007

twogts4us said:
If nothing else is damaged or broken, you are incredibly lucky.

Just the one bolt came loose got tread damage , easy fix. I thank god nothing else happen. How can it come loose ? Do I have to put treadlocker on them ? Or they forgot to torque 77ft/lbs

BlackGT4.6 · May 27, 2007

yes use threadlocker

mity2 · May 27, 2007

twogts4us said:
If nothing else is damaged or broken, you are incredibly lucky.

true. Those bolts are designed to handle load evenly. If any of them fails, then others get more torque then its intended for. And not to mention other bolts looks like backing its way out too....

I'd call the shop who did your gear install, and have noice chat with who ever torqued those bolts! Don't they supposed to use lock tight?

BTW, i think TQ requirement is 77ft-lb

lvmustanggt · May 27, 2007

no wounder I was hearing rearend sound last fews days. Almost all bolts were loose like finger loose, I guess I cought it right on time. Wow

WillDuhhBeast · May 27, 2007

Maybe this has a little something to do with your slower 60ft times? haha. I have no idea, thats is freaky.. and I'm sure glad you caught it. I can just hear what that would sound like if you waited another month.

85 Coupe 5.0 · May 27, 2007

oh shat! Yea, i'd call whoever installed those gears, cause they didn't do something right. Yes, you are correct, they require locktite.

Spiggs · May 27, 2007

They should definitely use a threadlocker on that. They may have tightened the bolts down to reccomended torque, but they also may not have tightened them in the correct order.

the98stang · May 27, 2007

yea you are frucking lucky!

lvmustanggt · May 28, 2007

Spiggs said:
They should definitely use a threadlocker on that. They may have tightened the bolts down to reccomended torque, but they also may not have tightened them in the correct order.

Do you or any one here know right order to tightended bolts ?

lvmustanggt · May 29, 2007

Called shop today and they told me they will contact the person who install my gear cause at that time they didn't some tools that require to do the install.
I just talk with the guy who install my gear, sound like very nice guy the way he talked. He is comming to my house to check the problem and take care of it.
By the way he got V10 mustang and he is bring it to my place to show me. If he really does then I will take some pictures and post them here.
He told me he take full responsibility of his work and he said he is sorry, I was very impress with that guy the way he talked.

lvmustanggt · May 30, 2007

He came and looked at my car and we talk. Now I got go to the hospital with my wife for her check up. He will be back around 4-5pm . very cool older guy with crazy V10 1997 mustang with NX.

2002BLGT · May 30, 2007

I have never used loctite on those bolts , sounds to me like he didnt torque them to begin with , I have seen some shops just use an impact on those bolts , I torque mine to 80 ft lbs never had one come out on me ........if you do use loctite use the blue not the red , and the only bolt I put loctite on is the small one holding the cross pin in .........there is a good write up on explorer forums on how to install gears on a 8.8 if you need it

lvmustanggt · May 31, 2007

Just got all done, He came back with new bolt . Very nice guy .
Thank god for a good luck and thanks all you guys and girls for your support and help.

What you think ?

BlackGT4.6 · May 31, 2007

glad to hear they took care of it for you. Some shops will not stand behind their work like that.

02TruBlueGt · May 31, 2007

yea thats more like how shops should be! now a days you get those shops who wont do **** when the F something up. Just say it isnt there fault.

Rearend help ASAP

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