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Old 11-26-2001, 02:31 PM   #1
Bruiser
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Member#: 3353
Join Date: Dec 2000
Location: Austin, Texas
Vehicle:
2001 2.5RS
Blue Ridge Pearl

Question drain plug?

OK, it's time to swap out the gear lube for some good synthetic stuff. My question is....don't laugh....what socket size is the trasmission drain plug?
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Old 11-26-2001, 02:40 PM   #2
skidplatez
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Not a funny question at all.

It is a 15or17mm square drive (that's really hard to find)

BUT a 1/2" socket driver with no socket will work.
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Old 11-26-2001, 02:48 PM   #3
MagicMT
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2001 Magic Mobile
Old School Style

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Get a fumoto valve!

Mike
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Old 11-26-2001, 02:51 PM   #4
Bruiser
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Hmmm. yeah that worked fine for the differential. I'm looking at a BIG hex nut on the bottom of the tranny. Is that not the drain plug? It's bigger than a 19mm. If that's not the drain plug then where is it?
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Old 11-26-2001, 03:47 PM   #5
SubyTechMaster
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21 mm
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Old 11-26-2001, 07:33 PM   #6
inpreza kid
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its a big 21mm bolt. its right before where the two header pipes joins together. make sure to wrap "Y" part of the header with something so you don't get gear oil on the header. it smells like crap when burned.
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Old 11-26-2001, 07:51 PM   #7
Silverscooby27
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2014 335i xdrive

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Kinda an aside, but has anybody tried the magnetic drain plugs that supposedly collect metal shavings and the like from the engine? What are your opinions?
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Old 11-27-2001, 12:13 PM   #8
skidplatez
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Our cars already have magnetic drain plugs in the tranny and diff. The Oil filter should pick up anything that would normally be stuck on a magnetic drain plug(in the pan). I have also heard some cars(not sure about Suby) that have magnets in the oil pan.
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