I just bought this vehicle a few weeks ago and noticed that when coming to a normal stop the break pedal woud go about half way down before the van would start to stop.but in a situation where a quick stop had to be made the pedal would be firm untill the van was about stoped then the pedal would sink down to half way.I changed the pads on it today and now the pedal goes to the floor and will not get firm.I have tried to bleed the breaks but cant get any pressure.seems to be no leaks.fluid is full.I did notice when bleeding that the fluid would only dribble out.
2006-11-14 11:26:03 · 6 answers · asked by Anonymous in Cars & Transportation ➔ Maintenance & Repairs
the problem could be in the flex hoses on the front end..they have metal clamps on them and over time the clamp can actually push in on the hose crushing it..this would make it too hard to get the fluid to the caliper...
2006-11-14 11:30:21 · answer #1 · answered by iusedtohavehair 3 · 0⤊ 0⤋
Check the rear brakes,they may need adjusting or replaced.
If it had half pedal before you changed front pads I don't think it is the m/c. Put a vice-gripe on the rear brake rubber hose just tight enough to stop fluid flow. Than pump the pedal and try to bleed the front brakes. If this works the problem is in the rear brakes. Check real good for a rusted through steel brake line. Some times when the rear brake line blows it will still have front brakes and half pedal because the portioning valve is tripped to the front brakes.
If there is no air in lines and low pedal there is movement some where in the mechanical parts of the brake system.
If the booster is bad the brake pedal would be very hard but still have brakes.
2006-11-14 13:54:15 · answer #2 · answered by Old man wrench 4 · 0⤊ 0⤋
a bad master cylinder will give you a soft and low pedal, the o-rings inside are letting fluid by. a stuck proportioning valve could cause the fluid to just trickle out. try opening all 4 bleeder screws and kick the pedal hard to the floor, this should force the valve back into position,make sure you close all bleeders before letting the pedal back up. although if the master cylinder is bad it won't have enough force to do this. you can pull the master off the booster and see if there is fluid leakage on the end of the master, doesn't always leak all the way out but it is easy to check.
2006-11-14 15:53:49 · answer #3 · answered by whatup 2 · 1⤊ 0⤋
Sounds like air in the line. Bleed them again. Start with wheel furthest from Master cyd. Have someone open bleeder than press break pedal down and hold, close bleeder value, repeat each wheel until full pedal return. Do not allow master cyd to get low on brake fluid. You may have to do this several time. Should be able to see air bubbles coming out with the fluid. If there is a lot of air may take several times...........Gopod Luck!
2006-11-14 11:39:51 · answer #4 · answered by pikeruss 4 · 0⤊ 0⤋
You probably have a bad master cylinder. Replace and bleed system.
good luck
2006-11-14 11:59:37 · answer #5 · answered by mailbox1024 7 · 0⤊ 0⤋
master cylinder or brake booster
2006-11-14 11:29:32 · answer #6 · answered by mickeyg1958 4 · 0⤊ 0⤋