S2000 Under The Hood S2000 Technical and Mechanical discussions.

Dealer Stripped Oil Pan Drain Plug

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Old 03-17-2024, 09:34 AM
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Another tip:

A new aluminum washer is not always needed. I can reuse mine probably 10 times.

However….a new aluminum washer will prevent you from stripping the threads, as the washer will CRUSH before the threads will strip. It is easy to feel.
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Old 03-17-2024, 09:55 AM
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Originally Posted by Billman250
14 x 1.5 OS (oversized)

Ask a competent mechanic to install this for you. Remove the oem plug, and immediately install the new drain plug (before the oil drains). Once tightened, REMOVE the new drain plug,
the outgoing oil will carry out the metal shavings that were carved by the new plug.

Put the plug back in, new oil, and it will be like a brand new oil pan.

Go back to the dealer and instruct them on how to remedy their incompetence instead of taking the opportunity to rip someone off.
Nice!

I never heard of oversized oil pan bolts. Good to know!
Old 03-17-2024, 10:03 AM
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I have not stripped my oil pan bolt but early on I installed a Fumoto valve. Almost all of my cars have one. Super easy to change oil as nothing is removed and making a sample oil analysis is a cakewalk. No more burned fingers or hands. I can change the oil in the S2000 without going under the car at all; completed with just the hood up.

Won't work in this case but it might prevent problems for others.



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Old 03-17-2024, 10:24 AM
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I allways use a new aluminiun crush washer for the oil bolt and torque the bolt to spec according to the workshop manual. Doing the same on my motorcyles for decades. No problems so far. *knock on wood*
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Old 03-17-2024, 10:29 AM
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Originally Posted by Mr.Matchbox
I allways use a new aluminiun crush washer for the oil bolt and torque the bolt to spec according to the workshop manual. Doing the same on my motorcyles for decades. No problems so far. *knock on wood*
Now, I buy a pack of ten (for both of my Honda cars).

You can reuse an old one, but you may need to sand down any ridge formed from the last torque-down. The ridge sometimes interferes with the seal.

As long as the washer is flat without defect, and you know the proper tightening torque --- all should be fine.
Old 03-17-2024, 10:29 AM
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OEM drain bolt is M14x1.5mm not M12 like Billman posted above.
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Old 03-17-2024, 10:50 AM
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Sorry man, correct 14mm
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Old 03-17-2024, 03:30 PM
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Originally Posted by Chuck S
Billman has posted the solution.

I'm wondering how "the dealer did it" is a logical conclusion. There's nothing special, specific, or difficult about the S2000 oil pan drain bolt, the car is 19 (nineteen) years old and should have the oil changed at least a dozen times so this could have happened any time in the past. Geez, Jiffy Lube can change the oil in a S2000. The OP had "no issues" with the drain plug but this is his "first oil change" so I don't see how he could have issues with it.

-- Chuck

Quite valid point. But dealer wants to rip him off with a $1400 replacement pan. Imagine how much good will they could generate by telling him, look, threads were stripped from someone before us. As a dealer, we can only use official Honda parts. That means new pan and big bucks. We're happy to do it, but you should know there aee cheaper solutions that are still very effective. Such as oversize drain bolt, etc.
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Old 03-17-2024, 04:28 PM
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So we're sure that the dealer is the one who stripped it then are we?
Old 03-17-2024, 05:27 PM
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Originally Posted by Car Analogy
Quite valid point. But dealer wants to rip him off with a $1400 replacement pan. Imagine how much good will they could generate by telling him, look, threads were stripped from someone before us. As a dealer, we can only use official Honda parts. That means new pan and big bucks. We're happy to do it, but you should know there aee cheaper solutions that are still very effective. Such as oversize drain bolt, etc.
Dealers are driven by profits. I had an older Ford in which the driver's seat buckle broke. It would not latch. The spring inside the square button broke and it just flopped around. I happened to drive by the Ford dealer in the morning and thought I would see how much the replacement would be for them. I rolled in front of the service line, went in and told the service rep I wanted a quote for replacing the buckle. That was it.

He said have a coffee in the lounge. About 30 minutes later, the rep came in and said it would be $700. I said no way. He said get the keys at the cashier. I did and was informed that to get my keys back would cost $160. I said no way and get the manager. He came and I said WTF in a polite way. He said that is the charge for "diagnostics". I said I didn't ask for diagnostics, it was clear the buckle was broken and I wanted a quote to replace the buckle. That was all. He told me they have a business to run and their overhead is high. I said great, why don't I just set up a monthly payment plan to help the dealership out. Give me my keys, I am not paying a dime for an estimate. He said he would remember me the next time I came in. I told him I hoped his memory would last a couple of lifetimes because that would be the next time he saw me at that dealership.
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