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My brakes are not good!!!

 
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Old 03-21-2009, 05:10 PM
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My brakes are not good!!!

Hi i'm new here and this is my first post after my introductory post. I've had my 1995 2.2 vtec for about 2.5 years and this problem is really bugging me.

When I brake gently or hard the car momentarily pulls to the left before the brake pressure seems to equalize and the braking stabalises. It happens all the time and the faster I'm travelling the more scary it is. I have also noticed a little pulsating on the foot brake while braking but not a lot. It is really destroying my prelude experience.

The car was parked up for a year and a half, so before I could put it back on the road I reconditioned the front brakes with new components, cleaned the rear caliper components and freed all the brakes up. This has not helped the problem in any way. The front discs and pads were changed not long before the car was parked up. I think there are a number of possibilities:

1. One or more disc brakes are warped and causing the pads to move slightly further apart.
2. The dual proportioning valve is not working as it should.
3. The rear calipers could do with being reconditoned with new components.
4. The brakes have not been bled properly.
5. The alignment is severly out (I know it is but can't be that bad could it?)
Do you guys have any other opinions?

I'm pretty sure the brakes are bled properly as the pedal is strong. When pressure is applied there is a little more than expected travel but then it becomes solid and does not sink in.

I appreciate any comments and or help thanks

Jonny
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Old 03-21-2009, 05:23 PM
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Re: My brakes are not good!!!

Quote:
Originally Posted by quinnj3 View Post
Hi i'm new here and this is my first post after my introductory post. I've had my 1995 2.2 vtec for about 2.5 years and this problem is really bugging me.

When I brake gently or hard the car momentarily pulls to the left before the brake pressure seems to equalize and the braking stabalises. It happens all the time and the faster I'm travelling the more scary it is. I have also noticed a little pulsating on the foot brake while braking but not a lot. It is really destroying my prelude experience.

The car was parked up for a year and a half, so before I could put it back on the road I reconditioned the front brakes with new components, cleaned the rear caliper components and freed all the brakes up. This has not helped the problem in any way. The front discs and pads were changed not long before the car was parked up. I think there are a number of possibilities:

1. One or more disc brakes are warped and causing the pads to move slightly further apart.
2. The dual proportioning valve is not working as it should.
3. The rear calipers could do with being reconditoned with new components.
4. The brakes have not been bled properly.
5. The alignment is severly out (I know it is but can't be that bad could it?)
Do you guys have any other opinions?

I'm pretty sure the brakes are bled properly as the pedal is strong. When pressure is applied there is a little more than expected travel but then it becomes solid and does not sink in.

I appreciate any comments and or help thanks

Jonny
In my personal experience, that sounds like it could be one of three problems. Though I could be wrong, I'd put my money on one of these:

1. One of your caliper sliders is freezing up. Happened to me and scared the piss out of me. And its exactly how you described. Except it wouldn't "pull", it would jerk erratically to the left.

2. Your one of your rotors are warped. Often when a rotor is warped slightly, you don't get the grinding sound, you often get a small pull which is why I said this. The only reason I believe this isn't it is because you said it straightens back out after you keep pressure applied.

3. Alignment. There could be a possibility that your alignment is out of whack. Does your steering wheel pull to one side during normal driving? if you were to let go of the wheel does your car decide where your going to drive next??

**EDIT**

Also #2 on your list seems like a very good possibility. I didn't even notice it. I've never heard of a proportioning valve going bad, but there are rare and random cases.
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Last edited by Smok3y; 03-21-2009 at 05:25 PM.
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Old 03-21-2009, 05:35 PM
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Re: My brakes are not good!!!

So effectively i'm no further on Thanks for the reply I suppose the first place to look is to work from the cheapest and go from there. I don't think a 2nd hand proportioning valve should be too expensive. The car does pull to the same side slightly during normal driving as the brakes do under initial braking but why would the braking force appear to even up? Thats why i'm reluctant to blame it on alignment.
I have had the alignment done in the past but I need to take the car to someone with experience of 4ws as the last crowd bol***ked it up even after taking it back a few times they still couldn't get it right so I gave up.

I have also freed up all the sliders as some of them where stuck when I went to recondition them.
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Old 03-21-2009, 06:48 PM
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Re: My brakes are not good!!!

I'm leaning towards a bad piston on the caliper. could be any of the problems you've already mentioned though. I wonder if you could lift the car, have a friend lightly hold the brake pedal while you manually try to spin the front wheels? Then just go from there looking for visual errors. Also, check to make sure there are no creases in the brake lines anywhere. It is going to be one of those problems where you just gotta get in there and see what is going on.

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