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Thread: Damn! I think I'm a Oil Pump Nut Victim.

  1. #51
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    Quote Originally Posted by ///MacDaddy
    It's not an S52 but sounds like a hot motor....

    http://cgi.ebay.com/ebaymotors/ws/eB...RK%3AMEWA%3AIT
    Yeah, that would be something I would look into under these circumstances. I just had my shop pull my pan and check the oil pump. Everything was cool, but they locktited that bad boy down so that its not coming off until the motor gets rebuilt in another 100k miles....hopefully...

    The operation may have cost some cash but a lot less than a $4k-10K motor....
    2005 M3
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  2. #52
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    phil,

    if you go 3.2 would be interested in selling the 3.0? please get back to me. thanks

  3. #53
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    Quote Originally Posted by ///MacDaddy
    It's not an S52 but sounds like a hot motor....

    http://cgi.ebay.com/ebaymotors/ws/eB...RK%3AMEWA%3AIT
    yah, I saw that a couple of days ago.. thanks for letting me know. . I think I'd still rather get a s52 though....

    Quote Originally Posted by WytLytnyn
    Yeah, that would be something I would look into under these circumstances. I just had my shop pull my pan and check the oil pump. Everything was cool, but they locktited that bad boy down so that its not coming off until the motor gets rebuilt in another 100k miles....hopefully...

    The operation may have cost some cash but a lot less than a $4k-10K motor....
    yah, thats what I wish I would have done... its well worth it. Next engine I get thats the first thing im going to do.


    Quote Originally Posted by e30sd
    phil,

    if you go 3.2 would be interested in selling the 3.0? please get back to me. thanks
    If it turns out that there is internal damage that would wind up costing me a grand or two then I'll most likely go with the s52. I still have to see whats up with the s50. Im going to open her up, take a look at the internals, check the oil pump (fix the nut) and get an idea of the damege (If there is some, which im sure there is). All I know right now is my light went on, it was driven for about a mile, engine stalled twice but still turned on, and it hasnt seized up.

    Didnt you help Kim swap her engine? If I wind up doing this I will be PM'ing you about any advice you could give me and If I do get rid of it I will let you know.

    -phill F.- 10/95 Avus E36


  4. #54
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    yeah i did. keep me up to date.

  5. #55
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    Quote Originally Posted by phillyB///M3
    Didnt you help Kim swap her engine?
    *Cough* Did the swap himself *Cough*
    Steve

  6. #56
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    I had this happen to me a while back, I was running a crank pulley. Not knowingly I drove the car about a mile or two with the light on... I was extremely lucky there was no engine damage. The problem is nobody really knows about this until it happens to them and they do a search on the forums and find out "great, I probably just destroyed my motor". If I were to do things again, I would never have put on that crank pulley, and I would have shut the engine off immediately and called a tow truck. Now I'll never now how much those few minutes without oil pressure shortened the life of my engine even though it ran fine afterwards.
    Dinan 2.5 E30 M3

  7. #57
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    Quote Originally Posted by slcook54
    *Cough* Did the swap himself *Cough*
    haha.. I guess I heard a diffrent story...

    Quote Originally Posted by Mini-Bubba
    I had this happen to me a while back, I was running a crank pulley. Not knowingly I drove the car about a mile or two with the light on... I was extremely lucky there was no engine damage. The problem is nobody really knows about this until it happens to them and they do a search on the forums and find out "great, I probably just destroyed my motor". If I were to do things again, I would never have put on that crank pulley, and I would have shut the engine off immediately and called a tow truck. Now I'll never now how much those few minutes without oil pressure shortened the life of my engine even though it ran fine afterwards.
    Wow from what I've read about other situations you must be one of the lucky ones. Lets hope mine isnt looking to bad but I'm expecting the worst, that way I wont be disapointed.

    -phill F.- 10/95 Avus E36


  8. #58
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    Quote Originally Posted by slcook54
    *Cough* Did the swap himself *Cough*
    *Cough* Doesn't know what the ** he's talking about *Cough*
    Go check your hose clamps again Steve, I think they might be old.
    Last edited by jayhudson; 04-29-2005 at 01:02 PM.
    '94 325is #94 IP/GTS3 Mauritius Blue Metallic
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  9. #59
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    smoketacular!


    i think someone got mormowned

  10. #60
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    Quote Originally Posted by adsingl
    You can read my previous posts. I drove softly for about 2 miles/2 minutes to get off interstate. NO DAMAGE to lower end, confirmed by bearing inspection and two oil analyses(plural sp?), one when pan came off, 2nd after pressure was restored and run for 15 minutes (to flush bearing surfaces of any metal to metal contact if any occured - final proof).
    Why haven't some of us turned off immediately? Problem is, many of us don't realize until we read here that the sensor tripping the light comes on at such a low value that it really indicates next to no, or no, pressure. (outside of momentary track conditions).
    But my engine didn't die, I turned it off, so I'm afraid you went too long and will likely have damage.
    Personally, I believe *something* went wrong on the bottom end, so no need to determine if pump nut is off, oil pan comes off anyway.
    You could remove sender and start car for 5 seconds with finger over hole to confirm zero pressure (or remove fuel relay and just crank), but since I believe you're already metal to metal, *I would NOT do this*.
    Good luck,
    ADS
    What brand and weight of oil were you running? I've heard of similar situations in SCCA Club racing where a guy lost all his oil pressure running Syn Royal Purple (Mazda 13B non turbo engine) near the very end of the race, finished the race, pulled the engine and found ZERO engine damage.

    I think the quality and type of engine oil can majorly effect the outcome of an oil-pump-nut failure.
    1995 M3/2/5 : non-lux alpine white III on black
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  11. #61
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    Quote Originally Posted by RotaryBzzz
    What brand and weight of oil were you running? I've heard of similar situations in SCCA Club racing where a guy lost all his oil pressure running Syn Royal Purple (Mazda 13B non turbo engine) near the very end of the race, finished the race, pulled the engine and found ZERO engine damage.

    I think the quality and type of engine oil can majorly effect the outcome of an oil-pump-nut failure.
    Castrol Syntec Blend - 5 qts 5w30, 1+ qt 5w50 full synthetic Castrol.
    can't recall how many miles it had on it when I had the Blackstone analysis done, but besides no metal they commented that the oil had no significant degradation. So yeah, I still use it!

    ads

  12. #62
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    Quote Originally Posted by 94is
    *Cough* Doesn't know what the ** he's talking about *Cough*
    Go check your hose clamps again Steve, I think they might be old.
    Geez, easy on the profanity, this is indeed a public forum. No worries about the hose clamps. I put some Hyundai ones on there, they should hold better. Mormowned.

    Any word Phill?
    Last edited by jayhudson; 04-29-2005 at 01:02 PM.
    Steve

  13. #63
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    Quote Originally Posted by BMuu
    so a crank pulley can cause this problem?
    No

  14. #64
    techno550 is offline Senior Member Supporting Vendor
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    Quote Originally Posted by 96cosmosM3
    No
    Michael McCoy TRM

  15. #65
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    Quote Originally Posted by BMuu
    so a crank pulley can cause this problem?
    No.
    Garrett

  16. #66
    techno550 is offline Senior Member Supporting Vendor
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    Quote Originally Posted by Mad Dog 20/20
    No.
    nice...

    read these.
    http://forums.bimmerforums.com/forum...d.php?t=350278
    http://forums.bimmerforums.com/forum...d.php?t=349153
    http://forums.bimmerforums.com/forum...d.php?t=349633

    Actually, a bunch of other things for you to read. but whatever. You're one of the people that said things like "nuts don't vibrate loose". You've got an awful lot to learn before you even approach almost understanding the concepts.

    When you build your basic foundation of understanding of harmonics, just basics mind you, we can try again. Seeing as you still don't know what the harmonic damper does or how it does it or any of those, its easy to see why you are still so lost.
    Michael McCoy TRM

  17. #67
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    no one reads the white papers?

    http://dinancars.com/whitepapersFile.asp?ID=5

  18. #68
    techno550 is offline Senior Member Supporting Vendor
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    Quote Originally Posted by e30sd
    no one reads the white papers?

    http://dinancars.com/whitepapersFile.asp?ID=5
    Unfortunately reading and understanding are not the same thing. They have been "exposed" to that and more. They just are unable to comprehend it.
    Michael McCoy TRM

  19. #69
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    quick question....how often does this oil pump nut problem occur and are there any mods that lead to it? or is just mileage? also, how much does it cost to fix it before the problem occurs?
    1998 Titanium Silver M3

  20. #70
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    I'm pretty sure the underdrive pulley is what causes the oil pump nut to fall off cause of excessive vibration.

  21. #71
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    Quote Originally Posted by 94is
    *Cough* Doesn't know what the ** he's talking about *Cough*
    Go check your hose clamps again Steve, I think they might be old.
    Calm down killer... lol

    Quote Originally Posted by RotaryBzzz
    What brand and weight of oil were you running? I've heard of similar situations in SCCA Club racing where a guy lost all his oil pressure running Syn Royal Purple (Mazda 13B non turbo engine) near the very end of the race, finished the race, pulled the engine and found ZERO engine damage.

    I think the quality and type of engine oil can majorly effect the outcome of an oil-pump-nut failure.
    Damn.. I was running 5w-30 Mobil 1 for the longest, I beleive they dont have any additives so I'm guessing thats bad news for me.

    Quote Originally Posted by slcook54
    Geez, easy on the profanity, this is indeed a public forum. No worries about the hose clamps. I put some Hyundai ones on there, they should hold better. Mormowned.

    Any word Phill?
    Nothing yet.. i've been to busy with school and work to get started. Hopefully i'll have some time tommorow to investigate. I'll post pics of what I find.

    -phill F.- 10/95 Avus E36


  22. #72
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    Quote Originally Posted by BlaBla
    quick question....how often does this oil pump nut problem occur and are there any mods that lead to it? or is just mileage? also, how much does it cost to fix it before the problem occurs?
    Hey whats going on man, its been a while .Well it seems to be happening quite often to many E36's and I dont think it has anything to do with the mileage. Some have posted that that their OPN has come loose at 50k, 70k, 100k, and me 130k. Allot of people are claiming that its the Crank Pulley thats mostly at fault for this problem which im not disputing but I just dont know forshure. Reading diffrent threads about other members OPN coming loose has shown me that allot of them were running the CP but not all of them. i'm going to be taking on the OPN hopefully this weekend on my own, many people have done it themselves and stated that its not that hard. Taking it to a shop I've hear people say it would cost around $200-300+ depending on where you go. If I were you I'd get it done one way or the other just to be on the safe side.

    Quote Originally Posted by rustamabd
    I'm pretty sure the underdrive pulley is what causes the oil pump nut to fall off cause of excessive vibration.
    You mean the Crank pulley right?!... Your sure? hows that? (wheres the actual proof?) I'm not saying the crank pulley isnt the cause of this but someone please prove that it was. Maybe the Crank Pulley "helps" the OPN come loose but whose to say it wasnt coming loose in the first place and that the OPN just isnt secured enough on our E36's for all the hard driving some of us do.

    -phill F.- 10/95 Avus E36


  23. #73
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    does anyone have a writeup for tighting the OPN? also, if anyone would like to gather up and have a OPN day i'd be happy to attend
    1998 Titanium Silver M3

  24. #74
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    Quote Originally Posted by BlaBla
    does anyone have a writeup for tighting the OPN? also, if anyone would like to gather up and have a OPN day i'd be happy to attend
    LOL... The thread on the OPN has been stickied at the top of the Bimmerforums.com "M3 series E36" forum for about a year.
    http://forums.bimmerforums.com/forum...d.php?t=228123

    Heres another good site.
    http://www.emotors.ca/Articles/article.aspx?id=48

    -phill F.- 10/95 Avus E36


  25. #75
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    haha i haven't been paying much attention to the boards lately so i didnt catch the sticky..thanks for the links though
    1998 Titanium Silver M3

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