Hey all, it's been a while since I posted, and I apologize for my absence. I've gotten off the boards so I can start enjoying my E46 and stop getting paranoid of all the problems that MAY happen, but I've still been a good boy with my preventive maintenance. Just turned over 150,000 miles. ZFH19 tranny and all.
But today, I ran into some problems. I just wrapped up an 8 hour marathon of replacing my brake booster and I currently have no braking power. I wanted to replace the brake booster because of an air compressor noise the car would make that started 2 weeks ago after a fuel filter change. After reading paraklas' thread on his experience, I decided I was having the same issue. Hissing was always prevalent while car was running, would go away as I pressed the brake. So I bought a unit from a reputable salvage yard with only 33,000 miles on it.
My uncle and I replaced everything, per Paraklas' guide, and had a hell of time replacing the unit in the super tight space. 4 hours later, everything was plugged back together and securely put back in their place. However, we started the bleeding process and things went downhill quickly! The hissing noise was now gone, and the brake booster was doing a great job...we started bleeding by pumping brakes with car off and the pedal was super stiff. We bled the back right wheel this way and moved to the next. The next rear wheel didnt have the fluid moving right away, so we turned the car on and the pedal immediately got floored to the ground. I pumped the brakes for about 5 minutes until they stiffened up a bit, but to no avail. We went through 3 wheels (as the front left wheel had a seized on bleed valve) and went through about 3 qts of fluid. The old stuff was gone and the new stuff was coming out but we still had air bubbles throughout and the pedal was super limp. We put all 4 wheels on and gave it a try after feeling the pedal stiffen up a bit, and I had no braking power. Pulled back into garage and it threw a check engine light, and then a few minutes later the abs and brake icons as I depressed the pedal fully to get some braking power. THE CAR DOES STOP BUT I HAVE TO FLOOR IT. We checked for leaks and we saw nothing that stood out. Someone suggested that I could have a brake line blowout somewhere. Another a cracked abs line, but I definitely don't think so.
What's going on with my car? Does it need bled still? Going to get code read and more brake fluid tomorrow (not driving it.) starting to get sick here. Any help is appreciated.
But today, I ran into some problems. I just wrapped up an 8 hour marathon of replacing my brake booster and I currently have no braking power. I wanted to replace the brake booster because of an air compressor noise the car would make that started 2 weeks ago after a fuel filter change. After reading paraklas' thread on his experience, I decided I was having the same issue. Hissing was always prevalent while car was running, would go away as I pressed the brake. So I bought a unit from a reputable salvage yard with only 33,000 miles on it.
My uncle and I replaced everything, per Paraklas' guide, and had a hell of time replacing the unit in the super tight space. 4 hours later, everything was plugged back together and securely put back in their place. However, we started the bleeding process and things went downhill quickly! The hissing noise was now gone, and the brake booster was doing a great job...we started bleeding by pumping brakes with car off and the pedal was super stiff. We bled the back right wheel this way and moved to the next. The next rear wheel didnt have the fluid moving right away, so we turned the car on and the pedal immediately got floored to the ground. I pumped the brakes for about 5 minutes until they stiffened up a bit, but to no avail. We went through 3 wheels (as the front left wheel had a seized on bleed valve) and went through about 3 qts of fluid. The old stuff was gone and the new stuff was coming out but we still had air bubbles throughout and the pedal was super limp. We put all 4 wheels on and gave it a try after feeling the pedal stiffen up a bit, and I had no braking power. Pulled back into garage and it threw a check engine light, and then a few minutes later the abs and brake icons as I depressed the pedal fully to get some braking power. THE CAR DOES STOP BUT I HAVE TO FLOOR IT. We checked for leaks and we saw nothing that stood out. Someone suggested that I could have a brake line blowout somewhere. Another a cracked abs line, but I definitely don't think so.
What's going on with my car? Does it need bled still? Going to get code read and more brake fluid tomorrow (not driving it.) starting to get sick here. Any help is appreciated.
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