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Old 03-10-2008, 05:28 AM
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99 PSD BLEEDING oil!!!!

After plowing for the last 4 days my truck has been leaking oil, badly from the back of the engine somewhere. it is covering the tranny and is coming down around the crank... its about a drop per second, when the truck is running.... i have visibly inspected the engine and have not seen anything that looks to be leaking! help please!!!! more snow is coming!

thanks!
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Old 03-10-2008, 08:19 AM
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Checked your rear main seal? From what i understand these rarely go out on the 7.3. Talked to a guy the other day said its rare that these go out, but he's had 3 guys come in with their trucks (7.3) complaining about their rear main going out. Turned out they had been doing burn outs and cracked their blocks! Hopefullt this isnt the case, but theirs not a whole lot at the back of the motor. If its not your rear main seal, check turbo pedastal o-rings, check oil pan by starter, HPOP o-rings. I got that kinda outta order there sorry. Check those before you check the Rear Main. Good Luck

Last edited by mmcf; 03-10-2008 at 08:30 AM.
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Old 03-10-2008, 11:06 AM
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hmm, now im scared i cracked my block, she was working hard pushing snow, and trying to get unstuck.... ohhh boy. whats that too fix 4 grand?
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Old 03-10-2008, 12:11 PM
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Somethin like that. Seriously doubt thats what you did. These motors are pretty strong. Theres alot to check before you assume thats what it is. Possibly turbo pedastal o-rings? Maybe its been leaking for awhile now and starting to leak out of your valley pan. Check the rest first. Doubt its your rear main but its hard to check. Got a quote to inspect the rear main for $750.NOT cheap. Probably somthin simple. o-rings are pretty common. Clean and degrease the motor and then check to see if you can pin point the leak. Hard to find w a dirty motor.
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Old 03-10-2008, 01:05 PM
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yea, I would assume checking the rear main seal first.
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Old 03-10-2008, 01:15 PM
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Leaking 1 drop per second is 99% gaurentee that it'll be an HPOP o ring or line.
This is what I want you to do. Take a clean rag and wipe the underside of ALL 3 of the HPOP O ring fittings until you don't get any oil. Run the truck, even rev it up a bit. Then wipe again with another clean rag or papertowel. If you have new oil, you've found your leak. I HIGHLY DOUBT you cracked your block and I HIGHLY doubt you have a rear main seal leak.

I just updated this and has great pics for you.
99-03 7.3 oil leak diagnosis
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Old 03-10-2008, 01:25 PM
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Ther you go bud. Maintains the guy to talk to.Good Luck
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Old 03-10-2008, 01:30 PM
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^LOL lets not get too far ahead of ourselves here. Ya'll have Marc, Scuffy and other members to thank since I gained most of my knowledge through them doing it myself
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Old 03-10-2008, 01:57 PM
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thanks guys,, but i got a new symptom. i just lost all turbo boost!!! oh god shes dying on me......
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Old 03-10-2008, 02:26 PM
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Page 2 of this section under "Turbo 911" should help. Check your intercooler tubes to see if 1 blew off.
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