Dragging Front Brake
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Senior User
Joined: Jul 2007
Posts: 403
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From: Story City, Iowa
Dragging Front Brake
Before I start I will just say that yes, I know this is Ford Truck Enthusiasts and not FVE. I have received a ton of great help from this site and hoping to receive it on another Ford vehicle.
I have a 1994 Mercury Villager. I inheritated the van, it has low miles and gets 24 mpg. So can't complain, even though it's ugly. So here is the problem. The drivers front brake drags/sticks and in the distance of about 2 miles will start burning the brakes.
Here is what I have tried to fix the problem. New caliper, new rubber brake line, new master cylinder, new to me paportioning valve, and removed the fuses for the ABS. Forgot, yes it has ABS with no codes. I have a check engine light on, but it's for the O2 and EGR, otherwise no other codes or lights.
I have taken it to the local Ford dealer 3 times and they are just as stumped as I am. I have already spent 1/2 the value of the vehicle and not any further then when I started.
I will say that I have also had the right rear lock up at the same time as the left front. According to the shop manual the system is split LF-RR and RF-LR.
Where can I go next, what else can I check/do?
I have a 1994 Mercury Villager. I inheritated the van, it has low miles and gets 24 mpg. So can't complain, even though it's ugly. So here is the problem. The drivers front brake drags/sticks and in the distance of about 2 miles will start burning the brakes.
Here is what I have tried to fix the problem. New caliper, new rubber brake line, new master cylinder, new to me paportioning valve, and removed the fuses for the ABS. Forgot, yes it has ABS with no codes. I have a check engine light on, but it's for the O2 and EGR, otherwise no other codes or lights.
I have taken it to the local Ford dealer 3 times and they are just as stumped as I am. I have already spent 1/2 the value of the vehicle and not any further then when I started.
I will say that I have also had the right rear lock up at the same time as the left front. According to the shop manual the system is split LF-RR and RF-LR.
Where can I go next, what else can I check/do?
Post Fiend
Joined: Jan 2005
Posts: 8,402
Likes: 10
The only thing I can think of is that the pedal to master cyl pushrod is too long.
Try backing off the two nuts that hold the master cyl to the booster until you can pull the master cyl forward from the booster about 1/16in to 1/8in and see if that helps.
If it does you can adjust the pushrod a little to shorten it before tightening the nuts up again.
If it doesn`t help tighten the nuts up and think again.
Try backing off the two nuts that hold the master cyl to the booster until you can pull the master cyl forward from the booster about 1/16in to 1/8in and see if that helps.
If it does you can adjust the pushrod a little to shorten it before tightening the nuts up again.
If it doesn`t help tighten the nuts up and think again.
Thread Starter
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Senior User
Joined: Jul 2007
Posts: 403
Likes: 0
From: Story City, Iowa
Just working your solution out in my head. If the push rod is too long, then why all of a sudden at 96000 miles did this happen? The next thing, why just the one set of brakes and not the other?
Thanks for the idea, will give it a try. If I wasn't an insurance adjuster I would put full coverage on the vehicle and light it up. But that would be wrong, but then again I am getting to the point that it might happen anyways.
Thanks for the idea, will give it a try. If I wasn't an insurance adjuster I would put full coverage on the vehicle and light it up. But that would be wrong, but then again I am getting to the point that it might happen anyways.
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