Hard brake pedal - Saab 9000 Bulletin Board - Saabnet.com
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Have a very hard brake pedal. I ran a ton of brake fluid through it to make sure it's clean and no air is in the line. For about 3 or 4 minutes they felt normal like they had air brakes and then it went away. I have already checked the one way check valve and it is good. I have made sure the pump has ran with a jumper wire and it does. It also has power. What is the switch that goes in the brake booster? I have changed that out as well with a used one and that changed nothing. This is a 1995 Saab 9000 no traction control. I have a 1997 I have never had brake problems so this is my first time at tackling this problem on a 9000. I have two brake boosters here and master cylinders as well as two pumps that I could swap in but I would at least like to find out what is wrong first. I've had the car up in the air and all of the calipers are engaging and working. It just feels like I have no air assist so what would that be?
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