Sudden Rear Brake Pad failure...
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Cadillac Escalade, EXT and ESV Forum - 1999 - 2006 Discussion, Sudden Rear Brake Pad failure... in Cadillac Escalade Forums; We all stay tuned for strange and new sounds from or Escalades and I am no exception. Coming home from ...
  1. #1
    sprink60's Avatar
    sprink60 is offline Cadillac Owners Fanatic
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    Sudden Rear Brake Pad failure...

    We all stay tuned for strange and new sounds from or Escalades and I am no exception. Coming home from work this week I noticed the unmistakable sound of "Metal on Metal" disc brakes. I got home, jacked the truck up and started spinning wheels by hand...there was no scoring on any of the rotors visible and with these 22" rims thats easy to see.

    When I got to the left rear I found the culprit...not visible because in was on the inside of the rotor and the outside looked perfect. The rotor was scored deeper than spec allowed turning so i replaced it and turned both the new left rear and the existing good right rear. I installed new Wagner "Thermo Quiet Red" pads on both sides and for $80 parts and machine shop labor ($30 at Auto parts store to turn rotors) I cured the problem.

    One thing I did make note of though is that the rear rotors are 13" and the front rotors are 12"...usually the fronts are the larger ones in my experience. Oh well...GM knows better than I as to how to set up the brake performance bias on their products....I just thought it was a bit odd.

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  3. #2
    the cadillac man's Avatar
    the cadillac man is offline Cadillac Owners Master
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    Quote Originally Posted by sprink60
    We all stay tuned for strange and new sounds from or Escalades and I am no exception. Coming home from work this week I noticed the unmistakable sound of "Metal on Metal" disc brakes. I got home, jacked the truck up and started spinning wheels by hand...there was no scoring on any of the rotors visible and with these 22" rims thats easy to see.

    When I got to the left rear I found the culprit...not visible because in was on the inside of the rotor and the outside looked perfect. The rotor was scored deeper than spec allowed turning so i replaced it and turned both the new left rear and the existing good right rear. I installed new Wagner "Thermo Quiet Red" pads on both sides and for $80 parts and machine shop labor ($30 at Auto parts store to turn rotors) I cured the problem.

    One thing I did make note of though is that the rear rotors are 13" and the front rotors are 12"...usually the fronts are the larger ones in my experience. Oh well...GM knows better than I as to how to set up the brake performance bias on their products....I just thought it was a bit odd.
    Sprink the rear brakes tend to wear out faster then the front they set them up like that to prevent the front from diving during sudden stops

  4. #3
    wesyder's Avatar
    wesyder is online now Cadillac Owners Enthusiast
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    Quote Originally Posted by the cadillac man

    Sprink the rear brakes tend to wear out faster then the front they set them up like that to prevent the front from diving during sudden stops
    Yeah im on 3rd set on the rear vs 2nd set on the front with about 210k miles

  5. #4
    6lbsofSound is offline Cadillac Owners Fanatic
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    Re: Sudden Rear Brake Pad failure...

    The rear rotors are larger for a specific reason. Rotor diameter has nothing to do with stopping power. The caliper piston size and # of pistons make the difference. Gm used larger rotors in the rear due to cooling. The rear brakes don't get the same level of cooling hence why pads and rotors tend to wear faster in the rear.

  6. #5
    the cadillac man's Avatar
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    Quote Originally Posted by wesyder

    Yeah im on 3rd set on the rear vs 2nd set on the front with about 210k miles
    Ouch

  7. #6
    YoshiMan's Avatar
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    Re: Sudden Rear Brake Pad failure...

    The rears are most likely bigger just so they can house the Parking brake drum in the center

  8. #7
    the cadillac man's Avatar
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    Quote Originally Posted by YoshiMan
    The rears are most likely bigger just so they can house the Parking brake drum in the center
    They are because of the park brake(which sucks on my truck)

  9. #8
    Je357 is offline Cadillac Owners Member
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    Re: Sudden Rear Brake Pad failure...

    My parking brakes dont work at all.

  10. #9
    the cadillac man's Avatar
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    Quote Originally Posted by Je357
    My parking brakes dont work at all.
    Join the club mine has never worked

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    Je357 is offline Cadillac Owners Member
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    Re: Sudden Rear Brake Pad failure...

    I wanna fix mine. Hate when i park on a hill and cant get my truck outta gear cause i didnt use e-brake

  12. #11
    the cadillac man's Avatar
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    Quote Originally Posted by Je357
    I wanna fix mine. Hate when i park on a hill and cant get my truck outta gear cause i didnt use e-brake
    I know the feeling I plan on fixing mine when I replace my rear rotors(they are warped)

  13. #12
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    Re: Sudden Rear Brake Pad failure...

    I find it amusing how strange these parking brakes are. Mine sometimes will hold the truck solid as a rock in the driveway, and sometimes it doesn't work at all! I'm sure it's long overdue for an adjustment, but its odd how night and day it can be!

  14. #13
    the cadillac man's Avatar
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    Quote Originally Posted by YoshiMan
    I find it amusing how strange these parking brakes are. Mine sometimes will hold the truck solid as a rock in the driveway, and sometimes it doesn't work at all! I'm sure it's long overdue for an adjustment, but its odd how night and day it can be!
    I agree my dads h2 park brake holds great most of the time sometimes it slips a bit
    I know mine needs adjusting or the pads need replacing

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