7.3 main seal an oil pan leak. how do i fix? - PowerStrokeNation : Ford Powerstroke Diesel Forum
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post #1 of 23 (permalink) Old 02-17-2012, 10:23 PM Thread Starter
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7.3 main seal an oil pan leak. how do i fix?

hey i got a 1999.5 7.3 powerstroke an its leaking alot from the front main seal. how do i fix this? some say i have to pull the motor to do the pan an flip it over an some say i dont. an whats it take to change the front main seal? its in a 1979 f-250 with a big lift so theres lots of room under neath an in front. anything helps, thanks alot!
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post #2 of 23 (permalink) Old 02-17-2012, 10:49 PM
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Re: 7.3 main seal an oil pan leak. how do i fix?

Are you 100% sure the leak isnt from uptop in the valley? Or to the cover to unbolt the gear to the hpop?

02 f250
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post #3 of 23 (permalink) Old 02-17-2012, 10:51 PM
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Re: 7.3 main seal an oil pan leak. how do i fix?

Just seen this after I pm'd you.

I had a front main leak in about 05'. If you replace the pan, you do have to pull the motor on a super duty, not sure about your set up.

However, a local machanic talked me into letting him try injecting rtv into the area of my leak. Not sure how he did it and he rebuilt the oil cooler in the process and it only seeped a bit after that but didn't drip for 6 years prior to my rebuild.

REBORN 20 Over on 3/2/11- Pics in gallery- 2000 F250, Auto, 38r, Full Force 238cc/100%, TE 17* hpop, DP F5,HI,60T,80E,120R,140A, Studs and 910's with DI PR's, JW VB in 2nd stock tranny, Walbro 392, Bellowed, In-Tank, Pre-Pump, boost fooler, and RR. Air Dog, SS cover, 6.0 TOC,4" straight piped and guages, 6637, coolant filter, 4" Lift on 33's.
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post #4 of 23 (permalink) Old 02-18-2012, 02:25 PM Thread Starter
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Re: 7.3 main seal an oil pan leak. how do i fix?

yea its not from the valley, its main seal u can watch it drip down
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post #5 of 23 (permalink) Old 02-18-2012, 02:26 PM Thread Starter
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Re: 7.3 main seal an oil pan leak. how do i fix?

whats the labor like to change the main seal? big job or something i can could do in my garage? heard a lot of diff things from people
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post #6 of 23 (permalink) Old 02-18-2012, 03:12 PM
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Re: 7.3 main seal an oil pan leak. how do i fix?

Pull harmonic ballancer pry seal out of front lpop and be carefull the lpop is aluminum and will crack.A new pump is 65.00 at advance auto parts, if you have to replace it. It is about a 1-2 hour job.
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post #7 of 23 (permalink) Old 02-18-2012, 04:22 PM
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Re: 7.3 main seal an oil pan leak. how do i fix?

Quote:
Originally Posted by 79powerstroke View Post
whats the labor like to change the main seal? big job or something i can could do in my garage? heard a lot of diff things from people
Kills did a whole swap in his garage lol...iirc he had to extend his garage but he did it.

Good time to swap to a melling or if your pockets are deep dieselsites new
I have a dream of if I have to go after something like that of doing a fluid damper, and melling ..but my wallet say right now oil is cheaper
Tg mine is not leaking

Early 99 f350 4x4 crew cab, auto. pmt2 pcm
2001 cup holder ,T500, MAX AC ASSIST AC mod, Diy Twin tymar, TS chip, Powerslots & Hawk pads, ford AIC, ..... with big fat want to list.
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post #8 of 23 (permalink) Old 02-18-2012, 09:14 PM Thread Starter
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Re: 7.3 main seal an oil pan leak. how do i fix?

ohh alrighty thanks alot! any special tools ill need or anything to watch out for?
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post #9 of 23 (permalink) Old 02-18-2012, 09:45 PM
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Re: 7.3 main seal an oil pan leak. how do i fix?

I FIRST find out what is leaking, the front main OR the pan,

If it is just the front main, do yourself a favor and buy the melling improved Lo-pressure oil pump and throw that on(new main seal is included). It takes about an hour to do. The HARDEST part is getting the puller in there to pull the harmonic balancer

Looking for Blue 40-20-40 seat for OBS. PM me if any known
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post #10 of 23 (permalink) Old 02-18-2012, 10:13 PM
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Re: 7.3 main seal an oil pan leak. how do i fix?

no you dont need no special tools, except a harmonic ballancer puller. a melling oil pump is 79.99 at advance auto parts and the front seal is 9.95 good luck
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