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Old 01-24-2005, 08:16 AM   #1
scooterforever
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Join Date: Feb 2004
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2002

Default Rear differential oil fill and drain bolts, same size as the oil drain plug?

I haven't had a chance to actually check under the car (we just got dumped on with snow here in new england, and the garage is a little messy right now), but does anyone know what the size of the drain and fill bolts is on the rear differential?

Specifically, I am wondering if they are the same size as the engine oil drain plug, they look about that size. Reason I am asking is I am contemplating putting a rear differential temp sender in place, and... if they are the same size then I'll just use the temp/pressure sender bushing you can buy for $8 at subaruwrxparts.com.

Thanks,
scooter
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Old 01-24-2005, 10:32 AM   #2
Jyik40
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The differential plugs are tapered threads. The engine oil drain plug will not fit in to the same thread.

Jay
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Old 01-24-2005, 12:11 PM   #3
jac04
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The engine oil drain plug has straight threads and relies on the crush washer for sealing. The differential plugs have tapered pipe threads.
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Old 01-24-2005, 12:38 PM   #4
scooterforever
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Thanks Jay and Jac --

I'll order a spare differential plug (probably the fill one, as I think the drain has a magnet on it) and drill/tap it. Thanks,
Scooter
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Old 01-24-2005, 06:06 PM   #5
jac04
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Quote:
Originally Posted by scooterforever
Thanks Jay and Jac --

I'll order a spare differential plug (probably the fill one, as I think the drain has a magnet on it) and drill/tap it. Thanks,
Scooter
Yes, the drain does have a magnet on it.
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