Burning smell and major heat on one rotor

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Old Mar 16, 2013 | 08:31 PM
  #16  
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Originally Posted by vqsmile
Considering what you've said you've done already, if this were mine, I think I'd consider replacing the pads and rotor first, and then if still having issues, trying a caliper rebuild kit. As long as the inner cylinder isn't scored, there is very little to go wrong on a caliper that isn't addresses with a simple rebuild kit.

I guess I'm thinking that if you had an issue with the caliper sticking, that the rotor was overheated in spots and you're getting/got cementite formation which, in a never ending downward 'death-spiral' of degradation, accelerates the propensity for further pad transfer and rotor overheating.

Another more obscure idea would be that the hydraulic proportioning valve for you braking force distribution is faulty and sending undue pressure to that one caliper.
Car is going to my mechanic on tuesday for another opinion. Will update after then if he finds anything
 
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Old Mar 21, 2013 | 07:42 PM
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Mechanic found nothing..everything looked fine and was working properly. So i am just going to leave it until something bad happens..i hope to have car gone by summer so it should last until then
 
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Old Mar 21, 2013 | 08:49 PM
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Originally Posted by Anton_Chigurh
Mechanic found nothing..everything looked fine and was working properly. So i am just going to leave it until something bad happens..i hope to have car gone by summer so it should last until then
What are your current IR heat readings (after driving) from your gauge? If they are still elevated, did the mechanic at least see it?
 
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Old Mar 21, 2013 | 09:06 PM
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Are these the same mechanics that couldn't diagnose a vibration?
 
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Old Mar 21, 2013 | 09:21 PM
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Originally Posted by herrschaft
Are these the same mechanics that couldn't diagnose a vibration?









.
 
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Old Mar 21, 2013 | 09:28 PM
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Originally Posted by vqsmile

.
Whats the matter, are you one of those mechanics.....
 
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Old Mar 21, 2013 | 09:57 PM
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Originally Posted by vqsmile
What are your current IR heat readings (after driving) from your gauge? If they are still elevated, did the mechanic at least see it?
About 130 deg hotter than the other rear side and yes he knows about it. I think my car is haunted. Well i know i bought a lemon. This just adds to the ...that's strange....factor. ( replacement engine at 65K, horrible vibrations, this) if it's not one thing it's another with this car. Like it but man this thing is a lemon
 
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Old Mar 21, 2013 | 10:55 PM
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Originally Posted by herrschaft
Whats the matter, are you one of those mechanics.....
. . . Not at all, I was merely acknowledging (and secretly appreciating) the sarcasm I detected in your post. LOL
 
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Old Mar 22, 2013 | 01:41 AM
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^Well, you used the wrong smilie
 
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Old Mar 22, 2013 | 02:33 AM
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^^ Funny, that's exactly what she said.

but seriously, rolleyes = sarcasm
so how was it the wrong smilie ?
 
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Old Mar 22, 2013 | 01:42 PM
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dam all these faces!
 
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Old Mar 25, 2013 | 04:52 PM
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So today on highway and road when i was braking..some points in the brake would make the car/floor and wheel shake a tad but go away as quick as it came. Almost felt like the trans shudder issue at 40 mph. Something isn't right.

I just purchased rear rotors and pads and want to buy a rear left caliper to replace my one now but can't find one anywhere. Also going to bleed the brakes when i replace the rear rotors and pads.
 
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Old Mar 28, 2013 | 04:06 PM
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New HP pads and slotted rotors came in today..will go in this weekend..let's see if i still have a major heat issue after this change...
 
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Old Mar 28, 2013 | 05:54 PM
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Another little update: I dropped my car off today to get an alignment and tires rebalanced.
My original PSI was only about 26...normal should be 33-35 So they pumped them up to normal.

When i went on highway the vibrations were about 35-45% better..i could actually go 76-77 and have a fairly decent ride..still vibrations but not like before. I am knocking on a lot of wood it stays like this but who knows with my luck

Also when i went to brake at those speeds..wheel and floor shook bad..really bad. Was never this bad yesterday but now today it's horrible when i brake.

Would warped rear rotors do this? I am replacing those soon. The fronts seem fine.
 
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Old Mar 28, 2013 | 08:23 PM
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^^ Warped would do it, but so would rotors with uneven pad transfer issues (like from a caliper that was sticking).

btw, WTH is going on with your TPMS if you were down to 26 psi?
 
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