Rear main seal - Ford Powerstroke Diesel Forum
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post #1 of 7 Old 10-03-2009, 10:56 AM Thread Starter
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Rear main seal

Does anybody have a step by step post or a video, im trying to decide to do this myself or get a shop to do it.

2003 Ford F350 Crewcab 7.3 Powerstroke
mods:
6in. Lift
37x13.50x20 Toyo Open Country M/T
20in. Moto Metal 951's
2 12" Kicker subs
Hifonics amps
Kenwood in-dash
4in. down pipe with 5in.exhaust with 6in. tip.
Soon to come:
Tony wildman chip
afe cold air
2005 front end
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post #2 of 7 Old 10-03-2009, 05:13 PM
Let's go B's!!!!

 
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What makes you think you need to replace yours? If it is an oil leak, 999 times out of 1000 its not the rear main seal leaking. It is usually something leaking from the top of the motor into the engine valley and draining out a hole in the rear of the valley making it look like a rear main seal.

Chris

2002 Crew Cab Long Bed
4" BDS, 35x13.50 Cooper STT on 20x10 Black Rockstars, and other stuff.....310,000 miles and counting...
<><
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post #3 of 7 Old 10-03-2009, 05:35 PM
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This should help POWERSTROKEHELP.COM - The Information Source for Ford Power Stroke Diesel Owners Grab a flash light and start from the top of the engine.

2001 7.3 SuperDuty Lariat

AFE Stage II Cold Air Intake
PHP Tunes , Autometer Gauges
Zoodad Mod,
4"SS MBRP Exhaust
ITP Overboost Annihilator
Roada Deco Positive Air Shutoff
NADP Heavy Hauler Transmission
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post #4 of 7 Old 10-04-2009, 07:24 AM
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A rear main seal on a 7.3 is very, very rare, I agree most of the time it is a wrong diagnosis by a lazy mech, look up higher for oil in the valley of the engine, or at the base of the turbo.

NCH

NCH
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2000 F350 DRW,CC,LB, 4X4, Western Hauler Pkg.
Ford AIS/ BTM, FTVB
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post #5 of 7 Old 10-04-2009, 08:37 AM
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I'd bet you Del Taco that its the o-rings on your pedestal.

99.5 F250
Airaid intake
4" Turbo back, straight
6" lift with 37" BFGs
Boost, Trans, EGT Gauges
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post #6 of 7 Old 10-04-2009, 05:25 PM Thread Starter
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I meant the seal on the rear drive shaft

2003 Ford F350 Crewcab 7.3 Powerstroke
mods:
6in. Lift
37x13.50x20 Toyo Open Country M/T
20in. Moto Metal 951's
2 12" Kicker subs
Hifonics amps
Kenwood in-dash
4in. down pipe with 5in.exhaust with 6in. tip.
Soon to come:
Tony wildman chip
afe cold air
2005 front end
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post #7 of 7 Old 10-04-2009, 05:28 PM
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Quote:
Originally Posted by Red_Diesel View Post
I meant the seal on the rear drive shaft
ah ha, that's a little different then what they were thinking!

2000 F250 7.3L EX.Cab Short Bed -05 Front end w/ HID's - Leveling shackles - Wicked wheel - Dipricol gauges - FORD AIS intake - Foil Delete - LINE-X Rockers - CCV dump - 315/70/17 BFG A/T with Eagle Alloy 197's - ELC w/ coolant filter and around the belt hose - PHP Hydra - Hpress oil x

On the way--
-Fusion front bumper - ATS 3" fender flares


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