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Was my oil pan re-threaded? Drip after change

G

GTInSuch2

Passed Driver's Ed
Aloha Golfmk6

Just did an oil change on my GTI and there's a slow drip from the plug. Used a new 19mm bolt with new crush washer

I've done recent changes without issue - prior to that was stealership changes.

Never looked at the pan this closely but it looks like some sort of jbweld/epoxy.

What do you think?

Any difference in torque for oiled threads on the drain plug?
 

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1ashchuckton

1ashchuckton

Autocross Champion
Was that picture taken before or after your oil change? The washer does not look like a crush washer to me. As for that stuff on the pan it looks fishy to me. Did the drain plug thread in OK or was it a sloppy loose fit?
 
B

BudgetPhoenix

Autocross Champion
Looks like rust to me, but ive had issues with these oil pans leaking with the rec torque spec and new bolts. I usually have to go a few ft lbs extra to get it to stop.
 
GolNat

GolNat

Autocross Champion
Was it an OEM crush washer?

They are donut shaped as oppose to every other crush washer I have used which is flat. Mine leaked with a standard crush washer but not with the OEM ones.
 
G

GTInSuch2

Passed Driver's Ed
I'm not sure what you mean by donut shaped

But the bolt came with the washer already on it, purchased OEM from a dealer
 
GolNat

GolNat

Autocross Champion


Like the one on the left but not that fat/tall.

 
GolNat

GolNat

Autocross Champion
Mine leaked because the oil drain hole is countersunk a little and the crush washer I got from the dealer had a blue gasket material inside of it that I could see once I tightened the plug down.

My magnetic drain plug came with a crush washer on it also and I removed it and put a OEM donut one on it and it has been leak free.

Did the oil drain hole have a countersink in it?
 
G

GTInSuch2

Passed Driver's Ed
No countersink that I could see

I'm going to get the torx drain plug and new crush washer & try again tomorrow
 
GolNat

GolNat

Autocross Champion
Good luck.

I have seen both regular crush washers sold and the rounded ones sold as OEM but for my car the flat one leaked. The flat one I did use was not a VW crush washer but one from a Honda the same diameter (14mm I think). Maybe that played a role in my leak idk.
 
1ashchuckton

1ashchuckton

Autocross Champion
This is what the dealer sold me. Three oil changes & no leaks. Yes the crush washer is replaced at each oil change. I hope the new plug & crush washer stop the drips for you.

 
B

BudgetPhoenix

Autocross Champion
I thought the new ones are the 19mm hex bolt with the washer pre attached like the OP. At least that's what I got from the dealer.
 
GolNat

GolNat

Autocross Champion
My dealer gave me a 19mm hex bolt because I didn't want to use the torx but the crush washer was not attached and looked like Ash's.

The crush washer that came attached to my ECS magnetic drain bolt was just a flat standard aluminum crush washer. That went in the trash and I installed one that looks like Ash's pic.
 
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