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First Generation Legend (1986-1990) Discuss the 1st Generation Honda/Acura Legend (US 8

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Old 02-18-03, 09:51 AM   #1 (permalink)
 
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Drain Plug Oil Leak

So I take my car in to the mechanic to get my minor oil leak fixed...he assesses that its the drain plug(apparently someone thought it would be wise to use an English screw on a Japanese car). Mind you, this was a small leak, but I wanted it fixed cus I was still under warrenty..and I don't really like slipping around on my driveway.

Anyway, after a bit of a part ordering headache, the mechanic returns with two washer plugs(I'm really not too sure what the hell they are. They were mostly plastic, with a washer head at the bottom where I think it stops the oil pan hole by simply pushing them in by hand).

These were ALSO measured in English. 5/8ths inch and 1/2 inch.


To make a long story short, the mechanic managed to thread in the 5/8ths plug(god only knows how..I hope he didn't destroy my oil pan threads), and I was assured that there was no more leak when I left.

Upon returning home, I decide to do some vaccuuming inside of my car, and also decided to check my oil level(for whatever reason, it was a liter low). Upon backing out of my parking garage I find myself entrenched in an EVEN LARGER oil puddle then before.

What the f***.


-Wishing he were more mechanically inclined.
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Old 02-18-03, 11:38 AM   #2 (permalink)
 
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The threads on the oil pan can be easily stripped. When I did work at a dealership, as well as a new gasket every time, we
torqued each plug 33lbs. This is the best way to not destroy the oil pan and plug threads and never have a drop leak. A good reason to do your own oil changes. Use an O.E. type aluminum gasket each time as well, and make sure to use an original plug. They are much softer metal than replacements. Sorry to say, I
think you will find yourself needing to replace the pan now.
BTW, the plug threads are 14v1.5mm as I recall, not SAE for sure.
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Old 02-18-03, 09:29 PM   #3 (permalink)
 
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sounds like the threads are stripped. You might be able to get a machine shop to re-thread the oil pan and use a larger plug, might save some cash over getting a new oil pan as they might sting you for labour there (you have to remove a crossmember and parts of the exhaust to access the oil pan).

good luck

Rich
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Old 02-19-03, 01:40 AM   #4 (permalink)
 
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Quote:
Originally posted by 89LCoupe
sounds like the threads are stripped. You might be able to get a machine shop to re-thread the oil pan and use a larger plug, might save some cash over getting a new oil pan as they might sting you for labour there (you have to remove a crossmember and parts of the exhaust to access the oil pan).

good luck

Rich
I agree however On my 86 at my first oil change I discovered that my pan grove was stripped also. I didnt know this though because that was the first time I owned an Acura.
What happened was as I began to change the oil I was removing this plug from the pan that for some reason wouldnt come out, nore did I need pliers because the outside was shaped like a manual can opener handle. It would release the oil but the plug wouldnt come out. after several minutes I got the plug out and it turned out to have a butterfly on the inside of it and in order to tighten it you had to twist it until the out side was flush with the oil pan. To me that was normal looking at that oil filter on the 86 model but I couldnt re tighten it. I went to Acura to find out that, that thing was rigged with a thing Pepboys sells ,the oil pan drain plug rplacement. It worked.. I didnt need to replace the oil pan. Ill find out the name tomorrow
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Old 02-19-03, 02:05 AM   #5 (permalink)
 
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Thanks a lot for the replies guys. I'm heading over to my other mechanic later this morning to see if they'll be able to lay any relatively good news on me.

I'll post up the aftermath later today.
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Old 02-19-03, 11:27 PM   #6 (permalink)
 
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F***.

So I take my car to my regular mechanic, tell him the dea, and he laughs as soon as he unplugs my oil pan.

The threads are bare and smooth as a baby's bottom.

After about forty minutes worth of attempting to rethread the pan with some odd ratchet device, he ultimately decides that I'm going to be needing a new pan.

After a few more minutes of fruitless effort, he gets a new rubber stopper washer thing(I really should figure out the name of the damned thing), and plugs the hole albiet temporarily. Says the car should stop leaking for now, but will likely need a new pan come next oil change.

Woop te doo. :/

He estimates 320 bucks for the replacement & labor (I suppose that's not so bad, really). Though I think I'll stick it to the original seller of my car for ordering the new one.

Thanks for the feedback guys.
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Old 02-19-03, 11:47 PM   #7 (permalink)
 
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I'm a stingy basterd, but there's no way I'd be paying that much coin for a new oil pan due to a stripped thread.
I'd try and see if another mechanic will retap the thread for you, seriously 320 is too much, serious machine shops should have no problems retapping a thread.

another option is getting one of those tap-style drain plugs put in which never need removing.

damn it, that's coin that could be spent on modding.

makes me mad.


rich
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Old 02-20-03, 12:42 AM   #8 (permalink)
 
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Orianzit : Check it

On my post above this is the plug I was telling you about. I found this plugging up the oil drain hole on my 1986 Legend because my drain whole was stripped. I never had a leak and I got it from pepboys for under $13.00 .

try and get one from an auto parts store. Its an oversized drain plug. I hope it helps you It worked for me big time. But I didnt remove it anymore to change the oil. I just opened it to drain it and closed it tight.



They come in different sizes
1/2" - 3/4" / 12MM - 19MM
and keep in mind that thought the package may say "NOT FOR VW OR HONDA" bump that, you drive an Acura

you can also find it in here http://www.cgenterprises.com/drain_p...ize_repair.htm

Last edited by MrSmith; 02-20-03 at 12:55 AM.
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Old 02-20-03, 12:56 AM   #9 (permalink)
 
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MrSmith, I'll head over to a PepBoys tomorrow and see what they have to say. The device both mechanics I've gone to attempted to use looks rather similar to that(except that the washer itself wasn't flexible as the one in the picture.

Edit: Edited your own post before I even got to the second question.
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Old 02-20-03, 01:13 AM   #10 (permalink)
 
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Quote:
Originally posted by OrionZite
MrSmith,
Edit: Edited your own post before I even got to the second question.
what would it have been?

And also remember that all Pepboys employees dont have it all upstairs. so one or two may not know what your talking about. The only way I was able to tell them what I needed is I took my old one to them.
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Old 02-20-03, 03:13 PM   #11 (permalink)
 
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hey guys that is a very common problem with the G1 legends so acura has a retrofit drain plug to cure that problem.i had one installed by my acura specialist and the cost was only $10 and that was 4 years ago.just be careful who changes your oil .don't go to those quick oil changers go to someone who knows about acura's.
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Old 02-20-03, 05:47 PM   #12 (permalink)
 
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Quote:
Originally posted by jno2968326
hey guys that is a very common problem with the G1 legends so acura has a retrofit drain plug to cure that problem.i had one installed by my acura specialist and the cost was only $10 and that was 4 years ago.just be careful who changes your oil .don't go to those quick oil changers go to someone who knows about acura's.
Other than simply going to the dealership, any ideas of where I could try to go (online or otherwise) to find one?
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Old 02-20-03, 09:26 PM   #13 (permalink)
 
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We have those where I work. Problem is these thread right into
the stripped pan thread. They are barely larger than O.E.(14mm)
You had stated that whoever put in a 5/8" plug.
5/8"=16mm
I could send you one but it sounds as if you are beyond the ability of using one. Email me if you want to try one.
Carl
BTW, Dealer won't have them, they are aftermarket.
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Old 02-21-03, 03:40 PM   #14 (permalink)
 
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I measured the plugs today. Replacement o/s is 14.5x1.5mm and stock is 14x1.5mm.
Carl
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Old 02-21-03, 05:00 PM   #15 (permalink)
 
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Guys, I hate to point out the obvious (or cheap) solution here. If you simply wrap a few turns of teflon tape around the threads and head of the drain plug, it will act like a gasket and seal to the pan. This worked for me on an old Supra while i owned it cause I refused to spend $100 to fix the pan, let alone $320. Just an idea anyway.

Eli.

P.S. Remember to keep the roll of teflon tape in the car so whomever takes out the plug can re wrap it.
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