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Old 10-06-2000, 09:42 AM   #1
Scooby Specialist
Member#: 1046
Join Date: Mar 2000
Location: New England, United States
2016 WRX Limited
crystal white pearl

Question Changing MT oil, and Rear Diff. Oil in a MY00 RS??

okay i know it has been mentioned before, but what should i use (Redline oils)? also, does anyone have any detailed instructions on how to change the oils in both?

thanx for all of your help in advance,


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Old 10-06-2000, 03:20 PM   #2
Patrick Olsen
NASIOC Supporter
Member#: 120
Join Date: Jul 1999
Chapter/Region: AKIC
Location: Where the Navy sends me...
1997 Legacy 2.5GT
1996 Impreza coupe


I put Redline 75W90 in the rear diff, and 75W90NS in the transmission.

Procedure is pretty darn simple. For the rear diff: remove drain plug, allow oil to drain, replace drain plug, remove fill plug, fill (probably should get one of those plastic fluid pumps they sell at AutoZone/Pep Boys/whatever) until fluid starts to come out fill hole. Yer done.

For the tranny: remove big drain plug (towards front of tranny, right in the middle, as I recall you access it through a hole in the crossmember), allow oil to drain, replace drain plug, remove dipstick (passenger side, about 8" below the filter box mounted to the throttle body), fill through dipstick hole. I don't remember what the capacity is - check your owner's manual. Yer done.

Pat Olsen
'99 Legacy 2.5GT 5speed sedan
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Old 10-06-2000, 08:46 PM   #3
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Member#: 1135
Join Date: Mar 2000
Chapter/Region: BAIC
Location: BAICED


Does anyone know how much rear diff oil I'll need. I want to switch it to a redline synthetic 75w90. Also, shouldn't the tranny fluid be flushed with one of those cycling machines? Cause at 15,000 miles, I want to switch to a synthetic tranny fluid.
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