My 98 LS has 4 wheel disc brakes.
I would not be surprised though if some have drum type brakes in the back - maybe dependent on which motor the vehicle has.
R134a
Mercon V
5W-30
Conventional drum brakes.
drum brakes
A 1998 Jeep Cherokee has disc brakes in the front.
dot 3
A 1998 Mercury would use R134a refrigerant.
Any Auto Parts store can provide you with this information.
According to the 2002 Mercury Sable Owner Guide : ( Motorcraft MERCON automatic transmission fluid is used as the power steering fluid )
According to the 1997 Mercury Sable Owner Guide , Motorcraft MERCON automatic transmission fluid is used for the power steering fluid
What kind of brake problem(noise,pulling)?