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Need help Bleeding Brakes (1990 EA Falcon).?
Ohk i replaced my rear brake pads. Thing is i twisted the piston on the caliper the wrong way n it poped out n brake fluid spat out, i quikly screwed it bak in.
Then when i had finished, i hopped in the car while it was OFF n pumped the brakes a few times until the brakes felt hard. I started the engine n tried the same thing, but problem is no matter how many times i pumped the brakes, they never went hard, i could push the pedal to the floor and i could feel nothing and brake fail light goes on. What i dont get is, i only touched the back brake, why has it affect the front too?
I need a good video or easy to understand video/tutorial that can explain to me how to bleed my brakes.
Ive seen a few already, but im not sure, do i bleed the brakes with the engine off? how do i know when i have fully bleed the brakes? How can i tell if im doing it properly? what do i need to know??
and dont any idiot say take it to a mechanic, coz then you are just retarded for obvious reasons.
is there anyone who could tell me step by step what to do??
cheers.
ben you have given me some good advice, i said dont any retard tell me to take the car to a mechanic "for obvious reasons" - such as I HAD NO BRAKES how would i get it there??
2 Answers
- Anonymous1 decade agoFavorite Answer
Bleed the brakes with your engine off. Throughout the process, keep your master cylinder topped up with brake fluid. Bleed the wheel furthest from the master cylinder first, the one closest to the master cylinder last. Attach a clear hose to the bleed nipple of the brake caliper (Or don't. Only reason you would do this is because brake fluid strips paint), and aim the hose into a drain container, like an old coke bottle or something.
Have a friend sit in the car, and get them to put their foot down on the brake. Open the bleed nipple (counterclockwise) when their foot is all the way down on the brake. Close the bleed nipple (clockwise) before the flow of brake fluid stops, generally about 2 seconds. Get your friend to take their foot off the brake, then push on it again, and you open the bleed nipple again. Repeat this process until there is only brake fluid coming out of the bleed nipple, no air bubbles. Make sure the nipple is closed and tight, and move onto the next brake. Repeat for all 4 wheels.
You'll know when the brakes are fully bled, because the pedal will be nice and hard. If they don't bleed properly, either you're doing something wrong, or your master cylinder is rooted. I had an XC Falcon I was fixing for my bro-in-law, the brakes wouldn't bleed up, it just kept pumping out a lot of foamy brake fluid. It was sucking air in from the rear seal on the master cylinder. I rekitted the master cylinder, and it bled up fine.
And btw, there's a reason people often say take your car to a mechanic. There are some systems that you just shouldn't be f*cking with if you have no knowledge of their operation, or basic repair procedures. Sometimes "Take it to a mechanic" is the only right answer. Certainly doesn't make somebody a retard if they give people good advice.
Source(s): Mechanic 9 years
