Hard shaking when braking

[MickieMagik(OH)]

When I brake the whole car shakes bad and I can feel the brake pedal moving up and down with the shaking. Now looking at the rotors it appears that they may be warped, but I was curious if there could be something common that causes this. Oh by the way, the brakes suck.

 

[Ishodu]

Usually warped rotors cause what your describing.

 

[Shoaz]

I agree. Have the rotors turned and then break them in nicely so you don't get a repeat of the same.

 

[marvsho17]

Or your strut rod bushings.

 

[sdpatt]

Warped rotors.

 

[yamahaSHO]

I 4th the warped rotors.

 

[shospeed143]

It could also be bad tires. If they are egg shaped or just really out of balance it will cause the same thing as a worped rotor but the car will shake and the brake pedal will not move. So i would jack up the car and spin each wheel to check to see if they are out of round. If that checks out ok then take the car to a shop to have the balance checked they will let you know if there is anything wrong with the tire. My sister just had her trucks tires balanced at a ford dealer for $40, if all the tires check out ok then i would just buy new rotors if you do anything with them but bont get the cheap ones get the ones that cost more, i did that with my car and they havent worped yet and i have over heated my brakes a few times were i had almost no braking left and they are still fine. But im beating that it is the tires by what you said in your post.

 

[SHOdownTN]

BAH!!! It's rotors, get them turned if there not too thin and if they are get ya some new ones. Might be time to think about upgradeing the fronts.

 

[shoisfast]

do not bother turning your rotors if they are nothing special.turning is $15 new at autozone is $20 turning rotors just does not make since unless they are upgraded drilled rotors

 

[shospeed143]

Do not buy the cheap rotors from auto zone go one step more and get the better ones they are about $30 to $40 and they will last the life of the pads with out warping.

 

[shoisfast]

I have had good luck with autozone parts as a whole .but it still pays to replace them over machining as the thinner the metal gets the better chance you have of hitting a puddle with hot rotors and warping them again.I used autozone rotors on my maxima and they worked well for over 50.000 miles without warping or having to be machined .



http://www.autozone.com/servlet/UiB...8.99|~FORD|~TAURUS|~1992|~3+MO|~NONE|~NONE|~B

 

[yamahaSHO]

I've tracked (road course) Auto Zone rotors and fried the brake pads and the rotors are fine. There really is nothing special to upgrading to the higher cost rotor unless it is a warranty you are after. My AZ rotors carry a 2-year warranty, as did the pads I fried.... eh, coming down the mountain

Turning a rotor will be beneficial as you are using a seasoned rotor. If you plan to drive aggressively, this is not a bad route to go. Most rotor warpage is due to getting rotors very hot without a cool down.

With properly working ABS, you would be hard pressed to have a bad tire unless you have a belt slipping.

 

[bobreimer]

I had the same problem with my '89 a few years ago. It is warped rotors more than likely. I replaced mine with Power Slot rotors (same size). End of problem. I also changed to carbon metallic pads at the same time and the braking is noticeably better.

 

[Rob94]

While you have it apart replacing your rotors, check those slider pins/caliper bolts. I had two frozen in the front and it would cause one **** of a shake when I used the brakes at highway speeds. Replaced the pins with new ones and no more shaking.

 

[SHOdownTN]

do not bother turning your rotors if they are nothing special.turning is $15 new at autozone is $20 turning rotors just does not make since unless they are upgraded drilled rotors

I can get them done for free at work, but that don't help him.
BTW: Alot of new rotors require turning before install, alot of the ones that come ready to install "say no turning required on the box" will sometimes have some warp but nothing noticable. It can be seen from one pass on the brake lathe but you can't feel it.

I will be putting new front rotors and probly have the rears resurfaced and all new carbon metallic pads around July before I head to texas. My fronts are warped all to

 

[MickieMagik(OH)]

Ok here's the scoop. My buddy is a mechanic at Ford so I went to pick him up from work and decided in exchange to get an oil change. We put the SHO on a lift and he starts looking around. First thing he notices is that teh bolt taht holds the subframe to the car is real loose. After finding out that the nut busted off and apparently had a recall, we sourced some parts that were laying around for the recall kit. We had to cut a hole in the floorboard in order to access the nut and got it fixed. That solved 90% of my problems when downshifting and braking. There is still a problem with the tranny mount or something that still pops around underneath, but the car steers straight *** doesn't feel dangerous. And yes the rotors do need turned, but that's another day. Get those bolts checked guys, I could have died!

 

[RStalveyARFF]

wow, that recall came out in 2000/2001, I'm surprised it wasn't done. I'm the 4th owner of my car and still got the Ford notification.

 

[MickieMagik(OH)]

Well I just got the car so I'm not sure why someone wouldn't have gotten it fixed, unless they didn't get the notice. Any other recalls I should know about?

 

[HopefulSHO]

Throw some new rotors on there

I'd be ****** if I had to have my brand-new rotors turned to install them.