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Guest Message by DevFuse

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Drain Plug Socket Sizes

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2 replies to this topic

#1 Bluestone


    USMB is life!

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  • northern California

Posted 24 October 2007 - 05:34 PM

What size socket do I need for the (manual)gearbox drainplug on my 2000 Legacy.
Also, the differential filler and drain plugs take a 1/2 inch square "male", right?

#2 porcupine73


    Obligate carnivore

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Posted 24 October 2007 - 05:44 PM

For the rear diffs, a 1/2" drive breaker bar or such will work. I use a 1/2" pipe plug socket. It's probably actually metric like 13mm or something but 1/2" seems to work.

Transmission drain plug might be 17mm; I have all autos. Common soob fasteners are headed 8mm, 10mm, 12mm, 14mm, 17mm, 19mm, 22mm

Newer soobs use a T70 torx for the transmission items to hopefully keep the iffy lube type places from draining it when intending to drain the engine oil.

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#3 Hondasucks


    Subaru Technician

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Posted 27 October 2007 - 01:22 AM

Engine and Trans drains are 17mm, manual tranns drain is 22mm.
Engine and automatic trans drain plugs take the same gasket, and the auto trans diff plug takes the same gasket as the manual trans drain plug, but I don't know the part # off the top of my head (Any repuatble dealer parts dept should have it in stock, it's used on all the new scoobs)

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