What kind of Transmission Fluid goes in a 1990 Subaru Legacy?

lucas oil makes a good transmission leak product

there not a certain type for that car really. You can use any kind sold at your local gas station.

don't be surprised if there is no gasket there
during manufacture , they use adhesive sealant on properly machined surfaces
the bolts could be a bit loose
cost will be the quotes you get from accredited specialist transmission shops but don't be surprised it they include removing the power train ( engine / transmission to do the job as that may be the quickest way to do it

The type best used is "Genuine Subaru Automatic Transmission Fluid Type-HP or IDEMITSU ATF HP. you add it through the dip stick hole. You may also wish to add a transmission leak oil to swell the gaskets and stop the leak add it the same way if you choose to use it. both of these should be available at your local auto parts store like NAPA. Raz,...

It is on the left side hard to spot. Look below the heater hoses. Good luck, take your time and have a great day.

automatic trans 2.2liter engine- 1990-1993/ 8.8 qts.
1994-on/ 8.4 qts
2.5 liter engines 10 qts. all years

manual trans 2.2 liter 2wd 1990-1994 3.5 qts
1995 2wd 3.7 qts

4wd 1990-1994 4.2 qts
4wd 1995 on 3.7 qts2.5 liter aall years 3.7 qts.

This problem is usually caused when the transfer solenoid/valve assembly goes bad, it's located in the transmission extension housing & needs to be replaced. it can be done without removing the transmission.

The Dipstick is on the driver side right next to the starter and yes you also put the fluid in there.

which transmission does the car have? this could be a bad transfer case in the transmission or a damaged axle

If you mean the rear diff its actually in the rear diff axle where you refill it.On the back axle there's 2 nuts rhe top being the refill and the bottom being the drain plug.You have to get underneath the car for this.Lots of hassle if you dont have a ramp