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How to BLOW UP your OIL PAN!

Posted by EuroDriver, May 28, 2010

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  1. EuroDriver

    EuroDriver Proven Member

    91
    8
    Joined Aug 3, 2007
    Dade City, Florida
    Yes, if you have taken interest in this thread.. You read it right. My brother-in-law and I managed to detonate the oil pan off during a not-so-routine gasket replacement. It hurt... LOL

    First let me you guys know that the ORIGINAL reason was to change the crankshaft seal. I had oil leaking from somewhere and I did a little bit of reading about it. It seemed like a lot of oil and it's impossible to see without the timing belt covers and pulleys off. I made an educated guess.. crankshaft seal. I knew the pain of dismantling the car because I had already replaced all the belts. :ohdamn:

    I accepted my fate and bought the part and dismantled it. Along the way, we noticed that the oil was not coming from that seal at all. After we cleared up the timing belt. We identified that the two cam seals were broken. There was the leak. :ohdamn:

    We figured since we were already doing 3 seals, screw it... let's do the pan too. No leaks! This way I can safely build my engine. :thumb:

    Well the pan was "sealed" on to the engine with that industrial strength mitsu-liquid gasket. I was the first to pop this cherry. Oil pan empty, we loosened all the bolts and attempted to gently knock the pan off. We all know that it couldn't have been that easy... after all, I was replacing a semi-good gasket. :hmm:

    We decided to use a torch to heat up the gasket into releasing... :aha:

    Before we did that, we cleaned the engine face. YUP, brake cleaner. Like most of you, I like to clean as I dismantle and assemble. Makes it easier to find leaks in the future and now. What we didn't realize, was that the removed crankshaft seal left a nice "reservoir" for the brake cleaner. The crank seal seats inside it usually. :rolleyes:

    Here's when shit hit the fan.. ROFL

    Everything clean, I start to take the torch to the oil pan. Yeah.. if you've been following this so far.. it ignited. It looked like an oil fire because of it's slow creep. We both thought that the brake cleaner was gone and dry.. EXCEPT, WE DIDN'T KNOW ABOUT THE RESERVOIR. (located by the crank shaft.)

    "Hey, man.. I don't think this was a good idea"

    "Why, what happened?"

    "It caught fire, hurry man.. put it out!"

    He proceeded to blow it out.. He managed to blow it into the reservoir of brake cleaner.

    BOOM!

    Flames shoot past him, engulfing half his face. (by the drivers rotor) The oil pan blew off with the detonation caused. (underneath) I got oil "shrapnel". Hot oil got me (underneath)

    I will say that this was INCREDIBLY EFFECTIVE if it was safe to reproduce.

    I looked like i jumped on an oil grenade :mrt: and he looked dazed :confused: from the experience.

    The down pipe held the pan in place. It got a small dent on the lip from flying off. Nothing major and we got the pan off in record time, by anyone's standards.

    We continued... still not together... parts.. :banghead:

    I will post pics, if I got any good ones. Sorry I won't have any pics pf the explosion aftermath. :D
     

    333  0

    1997 Mitsubishi Eclipse GST
    · 2G DSM
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  2. And_44

    And_44 Proven Member

    835
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    Joined Feb 13, 2010
    Marysville, Washington
    WoW, glad no one was hurt. And yes, pretty effective way to remove a stuck part. Just hope that alot of that force of the explosion was used to remove the stuck pan and didn't put excess pressure on your piston rings and blow them out as well ;( But yea, next time maybe use an industrial strength heat gun? There electric and no open flame. And they get just as hot. Or just don't blow on open flames?
     
  3. EuroDriver

    EuroDriver Proven Member

    91
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    Joined Aug 3, 2007
    Dade City, Florida
    ROFL Yeah... the extra air wasn't the best of ideas but he panicked a little..
     

    333  0

    1997 Mitsubishi Eclipse GST
    · 2G DSM
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  4. Lavery

    Lavery Proven Member

    286
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    Joined Sep 8, 2009
    Frederick, Maryland
    I believe your the first one to clean your car and end up with it dirtier than when you began.
     
  5. Achelea

    Achelea Proven Member

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    Joined Jun 3, 2008
    Mt Vernon, Illinois
    Or you could have used a non metallic scraper and slipped in between the pan and the block.

    So.. you gonna do a compression check later?
     

    789  0

    1992 Mitsubishi Eclipse GSX
    manual · 1G DSM
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  6. EuroDriver

    EuroDriver Proven Member

    91
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    Joined Aug 3, 2007
    Dade City, Florida
    Why should I check compression? It blew the pressure out on the bottom...

    I didn't plan on checking the compression...
     

    333  0

    1997 Mitsubishi Eclipse GST
    · 2G DSM
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  7. Achelea

    Achelea Proven Member

    1,317
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    Joined Jun 3, 2008
    Mt Vernon, Illinois
    Even though it pushed the pan off, you don't know how much it pushed against the pistons and the rings from the bottom. I would if only to be sure. I'd hate for you to get it back together and find out you busted a ring.
     

    789  0

    1992 Mitsubishi Eclipse GSX
    manual · 1G DSM
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  8. EuroDriver

    EuroDriver Proven Member

    91
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    Joined Aug 3, 2007
    Dade City, Florida
    :idontknow: sounds possible I guess... My internals are immaculate but it won't hurt to check.

    Thanx for suggestion:)
     

    333  0

    1997 Mitsubishi Eclipse GST
    · 2G DSM
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  9. And_44

    And_44 Proven Member

    835
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    Joined Feb 13, 2010
    Marysville, Washington
    Yea, explosions are quick. So you have to think about how much pressure built up before the oil pan blew off. In a matter of a second or two it could get pretty high. Piston rings are built to take explosions from the top not bottom. If you had the oil drain plug undone as well and still managed to blow off pan the pressure build up was so great even having the oil drain plug being undone wasn't enough of a pressure release. But again, very impressive way to remove a stuck part. I for sure will remember this post for a while;) Made me giggle.
     
  10. Achelea

    Achelea Proven Member

    1,317
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    Joined Jun 3, 2008
    Mt Vernon, Illinois
    No problem. It could be like over boosting. You don't know how much pressure the motor took from the explosion. :) But nice to see you're safe and sound. I wanna see pics now though. XD
     

    789  0

    1992 Mitsubishi Eclipse GSX
    manual · 1G DSM
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  11. ninja07

    ninja07 Proven Member

    51
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    Joined Dec 7, 2009
    antioch, Tennessee
    Dang, they doin it like that down there, I need to move to Florida. I love exploding oil pans. Seriously, glad no one was hurt bad. Hope your car is cool too. LOL cool
     

    272  0

    1995 Eagle Talon TSi AWD
    manual · 2G DSM
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  12. EuroDriver

    EuroDriver Proven Member

    91
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    Joined Aug 3, 2007
    Dade City, Florida
    We usually use ACME sticks of dynamite in FL but I think the some coyote had ordered the last in stock.
     

    333  0

    1997 Mitsubishi Eclipse GST
    · 2G DSM
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  13. 1996dsm

    1996dsm Proven Member

    552
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    Joined Jan 15, 2008
    Fort Worth, Texas
    sorry bout the incident, atleast no one got hurt, BUT that was a funny story. ROFL
     

    Street Build 996  0

    1995 Eagle Talon TSi AWD
    503.2 whp · 462.4 lb/ft · 2G DSM
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  14. vzeoh6om

    vzeoh6om Proven Member

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    Joined Oct 18, 2008
    jamaica, New York
    LOL wow that's classic......now every time when I do an oil change to my car all Ima think about is exploding oil pans
     

    242  0

    1992 Eagle Talon TSi AWD
    · 1G DSM
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  15. BogusSVO

    BogusSVO Proven Member

    5,893
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    Joined Jul 1, 2009
    Pensacola, Florida
    I just have to ask... before your bro went to blow out the flame..... did he say "hold my beer?"'

    glad no one was hurt and your car survived.

    I doubt you will have ring issues or bad ring lads from that lil pop to get the oil pan off.. cylinder temps and pressures in the combustion chamber are much higer than what you did with the brake cleaner and torch....
     
  16. RipperXX

    RipperXX Proven Member

    5,794
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    Joined Feb 23, 2003
    Royston, Georgia
    I have heard of people inflating tires in the arctic with very flammable aerosols before but never heard of anyone removing a oil pan in a similar fashion. Wish I could have seen this in person.
     

    Street Build 3K  10  9

    1990 Eagle Talon TSi AWD
    13.476 @ 105.48 · 1G DSM
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  17. JWoodley

    JWoodley Proven Member

    736
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    Joined Oct 12, 2002
    Middle Of Nowhere, Alabama
    Alot of tractor trailer drivers use this trick. I saw it at an road stop gas station one time. The tire was loose around the rim, they proceeded to spray a ton of ether in it, then hit it with a lighter. The "boom" from it was nuts. As soon as it expanded the other toothless wonder shot it with air to make sure it held on the bead. Pretty crazy.

    BTW, I'd recommend a gasket scraper or a flathead screw driver next time.
     

    796  0

    1998 Mitsubishi Eclipse GSX
    manual · 2G DSM
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  18. EuroDriver

    EuroDriver Proven Member

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    Joined Aug 3, 2007
    Dade City, Florida
    PICS! Gonna figure out how to put more...
     

    Attached Files:

    333  0

    1997 Mitsubishi Eclipse GST
    · 2G DSM
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  19. Achelea

    Achelea Proven Member

    1,317
    11
    Joined Jun 3, 2008
    Mt Vernon, Illinois
    By the way, they use a similar method in professional shops. They have a small compressor tank with a release valve and a nozzle. Fill it up with air. Then they put the nozzle between the rim and the tire and hit the release. 100 psi rushes into the tire. It swells and seats the bead, then they fill it up the rest of the way. :)
     

    789  0

    1992 Mitsubishi Eclipse GSX
    manual · 1G DSM
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  20. JEFFREYCASTGSX

    JEFFREYCASTGSX Proven Member

    923
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    Joined Oct 1, 2008
    hobbs, New Mexico
    Ewwww:barf:, i'd hate to see that color under my valve cover.
     

    648  8

    1997 Mitsubishi Eclipse GSX
    manual · 2G DSM
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  21. EuroDriver

    EuroDriver Proven Member

    91
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    Joined Aug 3, 2007
    Dade City, Florida
    I like the golden coat... :)
     

    333  0

    1997 Mitsubishi Eclipse GST
    · 2G DSM
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  22. Urban_S

    Urban_S Proven Member

    169
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    Joined May 4, 2004
    Kalispell, Montana
    Cheetah Bead Blaster

    Thats a new way to do that.
     

    484  0

    1990 Eagle Talon TSi AWD
    manual · 1G DSM
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  23. EuroDriver

    EuroDriver Proven Member

    91
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    Joined Aug 3, 2007
    Dade City, Florida
    Last edited: Jun 7, 2010

    333  0

    1997 Mitsubishi Eclipse GST
    · 2G DSM
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  24. EuroDriver

    EuroDriver Proven Member

    91
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    Joined Aug 3, 2007
    Dade City, Florida
    LAST POST.. I got everything together had some issues with the NEW cam seals leaking but all is well. Had to use some of the mitsu-grade liquid gasket to help the seals.

    Ready for UPGRADES! :)
     

    333  0

    1997 Mitsubishi Eclipse GST
    · 2G DSM
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