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#1
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In need of brake expertise...
I recently purchased a '94 Jeep Wrangler. All seemed well until about
2 weeks ago. I started noticing some noise when braking. So I decided to replace all the pads and rotors. When I got to the left front I noticed that one of the pads had totally disentegrated and the rotor was shot. I decided to go ahead and replace both rotors. I got everything reassembled and tried it out. All was smooth at first but within about 5 miles I started sensing that the front brakes seems to be dragging. I drove it back home and when I stopped in the drive way smoke was coming from *BOTH* front wheels. After having thought back, I remember thinking that the front brakes always seemed to be dragging a little. That's probably why the pad had blown out and the rotor was shot. Question is: Is this due to faulty calipers or a bad master cylinder? I guess either way I should probably start with the calipers. Any suggestions would be greatly appreciated. TJ |
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#2
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In article >, tsharpe64
@earthlink.net says... > I recently purchased a '94 Jeep Wrangler. All seemed well until about > 2 weeks ago. I started noticing some noise when braking. So I decided > to replace all the pads and rotors. When I got to the left front I > noticed that one of the pads had totally disentegrated and the rotor > was shot. I decided to go ahead and replace both rotors. I got > everything reassembled and tried it out. All was smooth at first but > within about 5 miles I started sensing that the front brakes seems to > be dragging. I drove it back home and when I stopped in the drive way > smoke was coming from *BOTH* front wheels. After having thought back, > I remember thinking that the front brakes always seemed to be dragging > a little. That's probably why the pad had blown out and the rotor was > shot. > > Question is: > Is this due to faulty calipers or a bad master cylinder? > > I guess either way I should probably start with the calipers. Any > suggestions would be greatly appreciated. > > TJ > Were oyu able to push the pistons back when you replaced the pads? Chances are they are seized. -- ____________________ Remove "X" from email address to reply. |
#3
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In article >, tsharpe64
@earthlink.net says... > I recently purchased a '94 Jeep Wrangler. All seemed well until about > 2 weeks ago. I started noticing some noise when braking. So I decided > to replace all the pads and rotors. When I got to the left front I > noticed that one of the pads had totally disentegrated and the rotor > was shot. I decided to go ahead and replace both rotors. I got > everything reassembled and tried it out. All was smooth at first but > within about 5 miles I started sensing that the front brakes seems to > be dragging. I drove it back home and when I stopped in the drive way > smoke was coming from *BOTH* front wheels. After having thought back, > I remember thinking that the front brakes always seemed to be dragging > a little. That's probably why the pad had blown out and the rotor was > shot. > > Question is: > Is this due to faulty calipers or a bad master cylinder? > > I guess either way I should probably start with the calipers. Any > suggestions would be greatly appreciated. > > TJ > Were oyu able to push the pistons back when you replaced the pads? Chances are they are seized. -- ____________________ Remove "X" from email address to reply. |
#4
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Interesting.
Did you pull out the slider pins and clean and grease or anti-seize them when you had it apart? They have a nylon sleeve in there and it needs a clean at pad changing time. Strange for both to seize, but then maybe not... A master gone bad can also cause that or the wrong master. A proportioning valve gone bad can also cause that. Mike 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00 88 Cherokee 235 BFG AT's tj wrote: > > I recently purchased a '94 Jeep Wrangler. All seemed well until about > 2 weeks ago. I started noticing some noise when braking. So I decided > to replace all the pads and rotors. When I got to the left front I > noticed that one of the pads had totally disentegrated and the rotor > was shot. I decided to go ahead and replace both rotors. I got > everything reassembled and tried it out. All was smooth at first but > within about 5 miles I started sensing that the front brakes seems to > be dragging. I drove it back home and when I stopped in the drive way > smoke was coming from *BOTH* front wheels. After having thought back, > I remember thinking that the front brakes always seemed to be dragging > a little. That's probably why the pad had blown out and the rotor was > shot. > > Question is: > Is this due to faulty calipers or a bad master cylinder? > > I guess either way I should probably start with the calipers. Any > suggestions would be greatly appreciated. > > TJ |
#5
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Interesting.
Did you pull out the slider pins and clean and grease or anti-seize them when you had it apart? They have a nylon sleeve in there and it needs a clean at pad changing time. Strange for both to seize, but then maybe not... A master gone bad can also cause that or the wrong master. A proportioning valve gone bad can also cause that. Mike 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00 88 Cherokee 235 BFG AT's tj wrote: > > I recently purchased a '94 Jeep Wrangler. All seemed well until about > 2 weeks ago. I started noticing some noise when braking. So I decided > to replace all the pads and rotors. When I got to the left front I > noticed that one of the pads had totally disentegrated and the rotor > was shot. I decided to go ahead and replace both rotors. I got > everything reassembled and tried it out. All was smooth at first but > within about 5 miles I started sensing that the front brakes seems to > be dragging. I drove it back home and when I stopped in the drive way > smoke was coming from *BOTH* front wheels. After having thought back, > I remember thinking that the front brakes always seemed to be dragging > a little. That's probably why the pad had blown out and the rotor was > shot. > > Question is: > Is this due to faulty calipers or a bad master cylinder? > > I guess either way I should probably start with the calipers. Any > suggestions would be greatly appreciated. > > TJ |
#6
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Chris Phillipo > wrote in message > ...
> In article >, tsharpe64 > @earthlink.net says... > > I recently purchased a '94 Jeep Wrangler. All seemed well until about > > 2 weeks ago. I started noticing some noise when braking. So I decided > > to replace all the pads and rotors. When I got to the left front I > > noticed that one of the pads had totally disentegrated and the rotor > > was shot. I decided to go ahead and replace both rotors. I got > > everything reassembled and tried it out. All was smooth at first but > > within about 5 miles I started sensing that the front brakes seems to > > be dragging. I drove it back home and when I stopped in the drive way > > smoke was coming from *BOTH* front wheels. After having thought back, > > I remember thinking that the front brakes always seemed to be dragging > > a little. That's probably why the pad had blown out and the rotor was > > shot. > > > > Question is: > > Is this due to faulty calipers or a bad master cylinder? > > > > I guess either way I should probably start with the calipers. Any > > suggestions would be greatly appreciated. > > > > TJ > > > > > Were oyu able to push the pistons back when you replaced the pads? > Chances are they are seized. The pistons went back in pretty easily. Of course, I had to use a C clamp. |
#7
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Chris Phillipo > wrote in message > ...
> In article >, tsharpe64 > @earthlink.net says... > > I recently purchased a '94 Jeep Wrangler. All seemed well until about > > 2 weeks ago. I started noticing some noise when braking. So I decided > > to replace all the pads and rotors. When I got to the left front I > > noticed that one of the pads had totally disentegrated and the rotor > > was shot. I decided to go ahead and replace both rotors. I got > > everything reassembled and tried it out. All was smooth at first but > > within about 5 miles I started sensing that the front brakes seems to > > be dragging. I drove it back home and when I stopped in the drive way > > smoke was coming from *BOTH* front wheels. After having thought back, > > I remember thinking that the front brakes always seemed to be dragging > > a little. That's probably why the pad had blown out and the rotor was > > shot. > > > > Question is: > > Is this due to faulty calipers or a bad master cylinder? > > > > I guess either way I should probably start with the calipers. Any > > suggestions would be greatly appreciated. > > > > TJ > > > > > Were oyu able to push the pistons back when you replaced the pads? > Chances are they are seized. The pistons went back in pretty easily. Of course, I had to use a C clamp. |
#8
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Yes... I cleaned and lubed all the parts. Like you mentioned, it does
seem more like the master, booster or perhaps the proportioning valve. It could even be bad hoses. Thanks, folks, for all the pointers. I think I'll go ahead and replace everything from the booster to the calipers in the front. Better safe than take a chance on fryin' the hubs. Later, TJ Mike Romain > wrote in message >... > Interesting. > > Did you pull out the slider pins and clean and grease or anti-seize them > when you had it apart? They have a nylon sleeve in there and it needs a > clean at pad changing time. Strange for both to seize, but then maybe > not... > > A master gone bad can also cause that or the wrong master. A > proportioning valve gone bad can also cause that. > > Mike > 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00 > 88 Cherokee 235 BFG AT's > > tj wrote: > > > > I recently purchased a '94 Jeep Wrangler. All seemed well until about > > 2 weeks ago. I started noticing some noise when braking. So I decided > > to replace all the pads and rotors. When I got to the left front I > > noticed that one of the pads had totally disentegrated and the rotor > > was shot. I decided to go ahead and replace both rotors. I got > > everything reassembled and tried it out. All was smooth at first but > > within about 5 miles I started sensing that the front brakes seems to > > be dragging. I drove it back home and when I stopped in the drive way > > smoke was coming from *BOTH* front wheels. After having thought back, > > I remember thinking that the front brakes always seemed to be dragging > > a little. That's probably why the pad had blown out and the rotor was > > shot. > > > > Question is: > > Is this due to faulty calipers or a bad master cylinder? > > > > I guess either way I should probably start with the calipers. Any > > suggestions would be greatly appreciated. > > > > TJ |
#9
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Yes... I cleaned and lubed all the parts. Like you mentioned, it does
seem more like the master, booster or perhaps the proportioning valve. It could even be bad hoses. Thanks, folks, for all the pointers. I think I'll go ahead and replace everything from the booster to the calipers in the front. Better safe than take a chance on fryin' the hubs. Later, TJ Mike Romain > wrote in message >... > Interesting. > > Did you pull out the slider pins and clean and grease or anti-seize them > when you had it apart? They have a nylon sleeve in there and it needs a > clean at pad changing time. Strange for both to seize, but then maybe > not... > > A master gone bad can also cause that or the wrong master. A > proportioning valve gone bad can also cause that. > > Mike > 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00 > 88 Cherokee 235 BFG AT's > > tj wrote: > > > > I recently purchased a '94 Jeep Wrangler. All seemed well until about > > 2 weeks ago. I started noticing some noise when braking. So I decided > > to replace all the pads and rotors. When I got to the left front I > > noticed that one of the pads had totally disentegrated and the rotor > > was shot. I decided to go ahead and replace both rotors. I got > > everything reassembled and tried it out. All was smooth at first but > > within about 5 miles I started sensing that the front brakes seems to > > be dragging. I drove it back home and when I stopped in the drive way > > smoke was coming from *BOTH* front wheels. After having thought back, > > I remember thinking that the front brakes always seemed to be dragging > > a little. That's probably why the pad had blown out and the rotor was > > shot. > > > > Question is: > > Is this due to faulty calipers or a bad master cylinder? > > > > I guess either way I should probably start with the calipers. Any > > suggestions would be greatly appreciated. > > > > TJ |
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