One day it worked the the next it didn't. Only one wheel spins arround corners or with one wheel on ice. etd. It also make a loud grinding, chattering noise when the one wheel spins. Will a bottle of friction modifier fix it or do the clutch packs wear out in these rear ends. 60000 miles.

 

Farmtruck
Mine quit under warrenty but didn't make any grinding noise. Dealer installed a new clutch pack & said they put an extra disc in. It's been OK since.

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97 Lariet-sc-4.6-4x off road-auto-3.55 LS-
superchip-K&N-3"
pvc air box mod-Granetelli MAF

 

in a LS the clutches will wear out. Hell, try to get a powertrax now. If i was keeping mine i'd go that route. I;ll prolly put one in MY SD up front, and a detroit in the rear.

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Dr.(wife says i'm spoiled) Jones.
2000 F-150 5.4L
AUTO,SC-sb 4x4-XLT, 3.55LS, 8.8 front- 9.75 rear, sidesteps, sprayed in liner, 17"wheels ORP, trailer-tow pkg, CD, Cpt chairs, 4whl ABS, Keyless Entry, Airbox silencer removed/K&N, Amsoil(transfercase, motor, rearend(with no friction modifer AND IT WORKS GREAT NOW ), 3" custom dynomax ultra flow catback, as an anniversary gift. With a best of 18.5 MPG.
kjones02@elp.rr.com, strengthbeyondstrength2000@yahoo.com waiting for the 275hp PSD
www.ford-diesel.com , www.fordvschevy.com/ , www.blueovalnews.com/, www.webattack.com, www.thedieselpage.com/cgi-bin/Ultimate.cgi

 

Farmtruck,

Have it looked at as soon as possible. I am on my second differential with this truck.
The dealer no longer wants to warranty it. If enough friction material from the clutch packs build up in-between the gears you could end up with catastrophic failure. Twice my differential broke, the carrier actually fractured.

Regards

Jean Marc Chartier

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00 F-150 XLT SC Flairside 4x4 4.6 w/5spd 3.55LSD
Warn XD9000i, skid plates, Draw tite class III,
Rancho RSX Reflex shocks, MAC 8.8 Axle Girdle
BFG 285/75 R16 MTs,
Borla Cat Back, Headman Headers,
Custom air intake system with modified
air box, Ported Throttle body,
Shortened MAF sensor tower,
K&N air filter,
Superchips

 

JMC: Can you describe in detail what broke -- and in what condition it ended up -- and do you know why?

 

Thanks for the info. Is it a big job to change the clutch packs. I like to do as much as I possibly can myself. Shop time sucks money!


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1998 F250 XLT 4x4 reg. cab/long box 5.4L auto with 3.73 gears.

Modifications:

K&N air filter, removed cold air intake.
Lund Intercepter bug shield.
Molded mud flaps
Husky floor liner