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post #1 of 10 Old 07-17-2010, 07:19 AM Thread Starter
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Rear End Question

What should i use to seal the rear diff cover to the housing? silicone type stuff, gasket, ???? i had a new rear end put in a few months ago and it is leaking now, and want to get it taken care of. thanks guys

2000 F250 SD ex cab long bed
6spd trans
south bend 350hp-750lb/ft clutch
6 in lift with 37in Km2 BFG
4in mbrp turbo back single exhaust
TS 6 Pos Chip
DIY intake
SOON TO COME
new injectors
some sort of turbo upgrade
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post #2 of 10 Old 07-17-2010, 07:58 AM
Other vehicle is an F250
 
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Blue or black RTV. I just redid mine and found out that there is a gasket for it. Got it from O'Reilly's.

2001 F250 Lariat Crewcab, Automatic, 4X4

(Late '99 Regular Cab Work Truck)


6.5" Pro Comp Lift ~ Traction Bars ~ Son-Built Sliders ~ 16" Pro Comp Xtreme Wheels with 35" BFG TA KM2s
4" Banks Exh.-Power Elbow ~ Wicked Wheel ~ DIY AMSOIL EaAU4090 Intake ~ PHP 6 Pos Chip ~ LowDown LED Upgrade
Stage 1 Injectors ~ HankDaddy Mod. ~ BUILT TRANNY! 352 HP Shootin' for 375!
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post #3 of 10 Old 07-17-2010, 08:04 AM Thread Starter
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is the gasket better to use than RTV?

2000 F250 SD ex cab long bed
6spd trans
south bend 350hp-750lb/ft clutch
6 in lift with 37in Km2 BFG
4in mbrp turbo back single exhaust
TS 6 Pos Chip
DIY intake
SOON TO COME
new injectors
some sort of turbo upgrade
Sullie250 is offline  
post #4 of 10 Old 07-17-2010, 08:18 AM
Other vehicle is an F250
 
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I used RTV last time 'cause I never thot to look for a gasket. It did start weeping. Gasket is doing good. I put a thin layer of black RTV just to make it easier to keep in place. Seems to be fine. I vote for the gasket.

2001 F250 Lariat Crewcab, Automatic, 4X4

(Late '99 Regular Cab Work Truck)


6.5" Pro Comp Lift ~ Traction Bars ~ Son-Built Sliders ~ 16" Pro Comp Xtreme Wheels with 35" BFG TA KM2s
4" Banks Exh.-Power Elbow ~ Wicked Wheel ~ DIY AMSOIL EaAU4090 Intake ~ PHP 6 Pos Chip ~ LowDown LED Upgrade
Stage 1 Injectors ~ HankDaddy Mod. ~ BUILT TRANNY! 352 HP Shootin' for 375!
CAROLINA POWERSTROKE ASSOCIATION
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post #5 of 10 Old 07-17-2010, 08:22 AM Thread Starter
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Thanks for the info Hank.

2000 F250 SD ex cab long bed
6spd trans
south bend 350hp-750lb/ft clutch
6 in lift with 37in Km2 BFG
4in mbrp turbo back single exhaust
TS 6 Pos Chip
DIY intake
SOON TO COME
new injectors
some sort of turbo upgrade
Sullie250 is offline  
post #6 of 10 Old 07-17-2010, 09:04 AM
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I use both. A small bead on the housing, then the gasket, then a small bead on the cover. Tighten cover then wipe off the excess.

2000 Ford F-450 - 6 Speed - CC - Dually - 4x4 - DIY intake & filter - 5" downpipe - DP F-5 - LUK clutch - Wicked Wheel
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post #7 of 10 Old 07-17-2010, 12:01 PM Thread Starter
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thats what i just got done doing. put a bead on the case, gasket, then a bead again.

2000 F250 SD ex cab long bed
6spd trans
south bend 350hp-750lb/ft clutch
6 in lift with 37in Km2 BFG
4in mbrp turbo back single exhaust
TS 6 Pos Chip
DIY intake
SOON TO COME
new injectors
some sort of turbo upgrade
Sullie250 is offline  
post #8 of 10 Old 07-17-2010, 12:12 PM
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use both! Most importantly prep the surface on both sides with a solvent and then use an emery cloth to scratch the surface down to clean metal

2000 F-250 4x4 7.3
BTS Transmission - 6.0L Cooler
GTP38r
Full Fuel System with Return
2-Stage W/M & Nitrous
Adrenaline HPOP
238/100's
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post #9 of 10 Old 07-17-2010, 12:35 PM
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I just cleaned it up really well and used black rtv when I did mine

2000 f250 crew cab 4x4 6sp manual, Jim Rosewood 238/100 hybrids, gtp 38r, srp1.1 hpop, DP-Tuner! Driven diesel fuel sys!
269,xxx and counting!!

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post #10 of 10 Old 07-17-2010, 12:37 PM
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Quote:
Originally Posted by ju015dd View Post
I just cleaned it up really well
That is the key!

2000 F-250 4x4 7.3
BTS Transmission - 6.0L Cooler
GTP38r
Full Fuel System with Return
2-Stage W/M & Nitrous
Adrenaline HPOP
238/100's
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