Question about 1991 Buick Park Avenue
Most likely you need brake job on front and rear. to test if the pads are worn on the rear set the emergency brake then push down on the brake. does it come up? if it does This means the rear pads are bad and most likely the front. You will want to check the master cylinder for fluid if it is low you will have to replace with DOT3 Fluid once it is full you may have to bleed the system to see if the brakes come up. If the fluid is ok and The pads are not wore out then you will have to check the master cylinder to do this you need to jack up the car one wheel at a time and test by pressing brake pedal down slowly till the wheel will not turn. If the wheels stop on all four wheels when you have done this test then you will need to replace the pads and shoes. If the master cylinder is defective either the front wheels won't stop or the rear won't stop turning when you press the pedal down. The Master cylinder is $39.00 with exchange, but you want to make sure the pads are good the rear shoes are good and the brakes are adjusted. Here is the web page for the parts you need. If you need help doing a brake job let me know and I will give you whatever information you would need to do the job with. You can test the master cylinder if you have rubber gloves too, just pop the lid off the master cylinder and have someone slowly push the pedal down with your finger on the front port see it you get fluid blowing out the hole when the pedal is pushed down. If you do the cup is bypassing and it needs to be replaced. Hope this helps.
Posted on Aug 31, 2010
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Posted on Jan 02, 2017
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