lifewithapurpose
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- May 13, 2013
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Hey there.I have a 1996 GMC Jimmy 4.3L 4x4. My friend abandoned it last year and just left it in my driveway.I cant get a hold of him so i have no idea how or when this problem started. The problem seems to be with my brakes. When i push the brake pedal down with the engine running the pedal goes to the floor and makes a constant hissing noise. With the engine off the pedal feels normal. I dont appear to be leaking fluid anywhere and the brake fluid resovoir is still full. I bled the brake lines yesterday and that made no difference.Ive driven it up and down the block and it will still stop when i pump the brakes but if i just push brake pedal down like normal it comes to a stop but barely. Im no mechanic so not really sure what i should try next. Id appriciate any suggestions. Thanks