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Old 08-03-2010, 09:01 AM Show Printable Version Show Printable Version   Email this Post to a Friend Email this Post      #1 (permalink)
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Angry

Pin Hole in Oil Pan. What to patch with?


Hi all,

I have a tiny pin hole in my oil pan next to my welded -12AN fitting. The hole is around the weld and causing a slow oil leak.

I'd like to sand it down and patch it with something. I was thinking of using JB weld but I wanted to know if anyone knew of a product (that I can find in any local auto parts store) that would be more suited for the repair.

Please advise as to what product you would recommend.

Thanks,

Tom



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Old 08-03-2010, 09:13 AM Show Printable Version Show Printable Version   Email this Post to a Friend Email this Post      #2 (permalink)
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pull the pan and have it welded.

over time the expoies will crack and flake .

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Old 08-03-2010, 09:17 AM Show Printable Version Show Printable Version   Email this Post to a Friend Email this Post      #3 (permalink)
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jb weld or quick steal just clean the area and scuff it up a bit

i've used that quick steal on everything from gas tanks to radiator leaks carburetors etc...

Last edited by cutty2fast; 08-03-2010 at 09:18 AM. Reason: Auto-merged with previous post to prevent "bumping" within a 24 hour period Tips on avoiding the auto-merge feature - http://www.dsmtuners.com/forums/faq.php?faq=vb_faq#faq_bumping

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Old 08-03-2010, 09:26 AM Show Printable Version Show Printable Version   Email this Post to a Friend Email this Post      #4 (permalink)
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Quote:
Originally Posted by BogusSVO View Post
pull the pan and have it welded.

over time the expoies will crack and flake .
I've removed and re-installed the oil pan 3 times in the past 3 days (don't ask). Fresh synthetic oil each time. So I'm getting a by tired of doing it.

I'll fix the welds next time I take it off. I'm just looking for a quick fix until I can do a proper fix. This is my DD.

Tom


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Old 08-03-2010, 09:27 AM Show Printable Version Show Printable Version   Email this Post to a Friend Email this Post      #5 (permalink)
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i had a crack at the bend where the gasket goes and it went along that bend and a bit down the side of the oil pan.. was about 2inches long.. i used JB Weld! no problem so far!

if you use jb weld MAKE SURE you strip the paint around the crack very well, sand it even better, and scuff it up with some 200 grit or less for the jb weld to have a good place to bond to! Make sure you go well over the edge of the crack but thin the layers out the further you go. let it dry sand it down with some 300 grit or finer! and reapply some if needed! then sand again with fine sand paper spray some primer and paint!! i did mine well over a year ago and have yet to have any issues!

ALTHO your best bet is to just get a new oil pan or weld it but if you dont have a welder the price to weld the oil pan might get up there. BUT welding would be overall better than jb weld if its welded correctly!

good luck

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Old 08-03-2010, 09:34 AM Show Printable Version Show Printable Version   Email this Post to a Friend Email this Post      #6 (permalink)
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Quote:
Originally Posted by cutty2fast View Post
jb weld or quick steal just clean the area and scuff it up a bit

i've used that quick steal on everything from gas tanks to radiator leaks carburetors etc...
Thanks, I'll see if I can find it locally.

Tom

Quote:
Originally Posted by skatershawn View Post
i had a crack at the bend where the gasket goes and it went along that bend and a bit down the side of the oil pan.. was about 2inches long.. i used JB Weld! no problem so far!

if you use jb weld MAKE SURE you strip the paint around the crack very well, sand it even better, and scuff it up with some 200 grit or less for the jb weld to have a good place to bond to! Make sure you go well over the edge of the crack but thin the layers out the further you go. let it dry sand it down with some 300 grit or finer! and reapply some if needed! then sand again with fine sand paper spray some primer and paint!! i did mine well over a year ago and have yet to have any issues!

ALTHO your best bet is to just get a new oil pan or weld it but if you dont have a welder the price to weld the oil pan might get up there. BUT welding would be overall better than jb weld if its welded correctly!

good luck

shawn
Awesome, thanks SHAWN. Good to hear that it's holding. I was reluctant to use JB weld for fear of it not sealing (and wasting my time).

Cheers,

Tom


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Last edited by Artago; 08-03-2010 at 09:37 AM. Reason: Auto-merged with previous post to prevent "bumping" within a 24 hour period Tips on avoiding the auto-merge feature - http://www.dsmtuners.com/forums/faq.php?faq=vb_faq#faq_bumping
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Old 08-03-2010, 09:56 AM Show Printable Version Show Printable Version   Email this Post to a Friend Email this Post      #7 (permalink)
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I've ran into the exact same issue on an old pan of mine and I can tell you that JB Weld did not work for me. Unless you can get it immaculantly clean, it wont hold well enough to prevent oil from getting by. I too would recommend correcting it with a welder.


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Old 08-03-2010, 10:02 AM Show Printable Version Show Printable Version   Email this Post to a Friend Email this Post      #8 (permalink)
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Quote:
Originally Posted by 99gst_racer View Post
I've ran into the exact same issue on an old pan of mine and I can tell you that JB Weld did not work for me. Unless you can get it immaculantly clean, it wont hold well enough to prevent oil from getting by. I too would recommend correcting it with a welder.
Dang. Not what I wanted to hear

Can I weld it with the pan still on the car? Or would that fry some electronics (like the ECU)?

Tom


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Old 08-03-2010, 10:05 AM Show Printable Version Show Printable Version   Email this Post to a Friend Email this Post      #9 (permalink)
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Dang. Not what I wanted to hear

Can I weld it with the pan still on the car? Or would that fry some electronics (like the ECU)?

Tom
You might be able to, but you'd have a hard time getting it clean enough to weld to it if it's still on the car and full of oil.


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Old 08-03-2010, 10:12 AM Show Printable Version Show Printable Version   Email this Post to a Friend Email this Post      #10 (permalink)
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How about fixing something like this? Can I just patch it with some scrap metal? Or just find a used OEM? I'm thinking it would just be easier and ease-of-mind to get another one.


http://img40.imageshack.us/img40/3807/1001275n.jpg


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Old 08-03-2010, 11:02 AM Show Printable Version Show Printable Version   Email this Post to a Friend Email this Post      #11 (permalink)
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you will be safe with the jb weld just make sure you prep it right, its not like its under alot of pressure or anything....

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Old 08-03-2010, 11:08 AM Show Printable Version Show Printable Version   Email this Post to a Friend Email this Post      #12 (permalink)
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How about fixing something like this? Can I just patch it with some scrap metal? Or just find a used OEM? I'm thinking it would just be easier and ease-of-mind to get another one.


http://img40.imageshack.us/img40/3807/1001275n.jpg
That looks like it is easily fixable with a welder. Of course, it would have to come off the car and be throughly cleaned first. If it were me and if it's for a 6-bolt, I'd just replace the pan. 6-bolt pans are a dime-a-dozen. What went through it?


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Old 08-03-2010, 11:12 AM Show Printable Version Show Printable Version   Email this Post to a Friend Email this Post      #13 (permalink)
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Quote:
Originally Posted by cutty2fast View Post
you will be safe with the jb weld just make sure you prep it right, its not like its under alot of pressure or anything....
I'll give it a shot. Worst case scenario I gotta drop the pan and weld it up.

Tom


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Old 08-03-2010, 07:45 PM Show Printable Version Show Printable Version   Email this Post to a Friend Email this Post      #14 (permalink)
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Quote:
Originally Posted by 99gst_racer
That looks like it is easily fixable with a welder. Of course, it would have to come off the car and be throughly cleaned first. If it were me and if it's for a 6-bolt, I'd just replace the pan. 6-bolt pans are a dime-a-dozen. What went through it?








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Old 08-03-2010, 07:48 PM Show Printable Version Show Printable Version   Email this Post to a Friend Email this Post      #15 (permalink)
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I'd suggest the use of black RTV. It's flexible and oil resistant. I've sealed up leaks coming from the pinch welds with it.


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Old 08-04-2010, 12:59 AM Show Printable Version Show Printable Version   Email this Post to a Friend Email this Post      #16 (permalink)
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Take it to a welding shop and they can put a spot of bronze on it. And they should be able to do that bronzing with the pan on the motor...seen that done before if it's a small pinhole leak as you mentioned...
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Old 08-04-2010, 10:00 AM Show Printable Version Show Printable Version   Email this Post to a Friend Email this Post      #17 (permalink)
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Ok so I took a look at it and the hole is in a tough spot to weld which is made tougher by leaving it on the car.

So I dropped the pan again. To those of you keeping count, this would be the 4th time in a week.

Going to clean it up, grind, sand and prep it. Then I'll take it to a muffler shop because my arc welder sucks the big one.

Once it's welded I'm going to sand it again and JB weld the whole weld all the way around for extra insurance because I don't want to do this a 5th time.

I'll keep you updated and I'll snap some pics when it's done.

Going to mark this thread as resolved. Cheers everyone and thanks for the help.

Tom


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Old 08-04-2010, 12:03 PM Show Printable Version Show Printable Version   Email this Post to a Friend Email this Post      #18 (permalink)
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I feel your pain, Tom. I went through 4 pans in 2 weeks last summer. I got pretty quick at swapping them, but my patience was spent by the time I was finished. And I haven't had to touch it since, so I'm happy.

Good luck getting yours to seal.



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Old 08-04-2010, 12:15 PM Show Printable Version Show Printable Version   Email this Post to a Friend Email this Post      #19 (permalink)
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^ Thanks Paul. I've lost patience with this as well.

I've gotten oil pan swaps down to an art. Takes me 5 hours to disassemble everything remove the pan and reassemble it all again.

Hey, I got a question for you. Oil pan.... gasket or no gasket?

If gasket, then what type? OEM (cork) or rubber?

Tom


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Old 08-04-2010, 12:41 PM Show Printable Version Show Printable Version   Email this Post to a Friend Email this Post      #20 (permalink)
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