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International Automotive Technicians Network
Re: 1990 Subaru Justy-trans oil
Posted to Technical Discussion Forum on 11/3/2011 2 Replies

The Service Manual says...

GL-4

75W-90 Temp range less than -30F to 90F plus

80W Temp range less than 90F

85W Temp range greater than -25F

90W Temp range greater than 30F

"Each oil manufacture has its base oil and additives. Thus, do not mix two or... Login to read more.

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