How do you change a power booster on a 1989 Cadillac Fleetwood
I don't know what you've tried. Unbolt the master cylinder pull out and move lines a little to the side. Inside at brake pedal take off clip holding rod to pedal remove 4 5/8 ths nuts or 15 mm as you don't state year. back out to firewall remove vac hose and take booster off. If you have a hydrovac unit procedure is the same just a different type unit
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