Yes, This is the system it has. DELCO POWERMASTER 3 ABS (4-wheel, Integral) 1989 to 1991 Buick Regal
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∙ 14y ago4ws yes, 2ws I believe does as well.
The sending unit is likely faulty
If you are having a problem with your door, you should take it to a dealer. Look up a local Buick dealership and call them to schedule your appointment for service.
Turn your ignition to the on position. If an amber lite that reads ABS or Anti-lock comes on in you dash, you do have abs brakes.
You have to buy the retrofit kit from an auto parts store. Comes with the correct valves, freon and instructions. Runs about $50.
The 1990 uses a t50. The 89 is probably the same.
you have to remove the housing nuts from the inside the trunk; it is very akward getting to them; then you should be able to get at it from there or from lifting the unit out from the inside of your car.
89 Buick Century uses a timing Chain. Not a belt.
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I need a new battery for my 89 buick century 4 door 6 cyl. Does anyone know the battery size?
The Question Is To Vague