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Chevrolet Blazer Brake Problems

75 messages,  Last post on Sep 07, 2009 at 6:45 AM

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#72 of 75 Re: Rear Rotor removal 2002 Blazer [cact34y] by lbeasley Sep 06, 2009 (10:19 am)
Replying to: cact34y (Sep 01, 2006 6:46 am) cact34y,   Did you ever get your back rotor off? I have a 98 blazer 4x4 with 4 wheels disks. I have the same issue with the back rotors. It took me a good 2 hours to get the back wheels off. I had to soak around the hob and inside the studs with wd-40. after an hour I took a hammer to the back of the tire and it finally came off. Both sides were stuck.   Now that I have the caliper and bracket off, I cannot get the back rotors off. I also removed the thin lock rings around the lugs and the rotor still will not come off. I took a few bangs on the back of the rotors and front center, still no luck. Any suggestions? Replies to this message: jlflemmons (Sep 06, 2009 5:04 pm) lbeasley (Sep 07, 2009 1:39 am) jlflemmons (Sep 07, 2009 6:45 am)
#73 of 75 Re: Rear Rotor removal 2002 Blazer [lbeasley] by jlflemmons Sep 06, 2009 (5:04 pm)
Replying to: lbeasley (Sep 06, 2009 10:19 am) Lots of WD40. The rotor/axle is steel on steel, and if you had that much rust between the rotor and the wheel, you can figure on the same for the axle/rotor. Just keep soaking it around the lugs.   I have had a case where I knew I was going to have to replace the rotor, so I soaked it for half a day and then dislodged it by tapping with an 8lb sledge. I don't mean beating on it, just a firm tap, a little more than you would use to seat a finishing nail. The mass of the sledge will impart a high amount of mass/force on the rotor and dislodge the rust adhesion.   Another trick you can do is reinstall the caliper and brackets. Put the wheels back on, but leave a small (1/16") gap on the lug nuts. Move the car a couple of feet and hit the brakes. Do this forward an backward, and the force of the brakes without the wheels being tight can break loose the rust adhesion. You can usually hear it when they break loose, and with all the lug nuts on, but loose, nothing will come apart.   Both of the procedures above can be performed without damaging the rotor. Good luck! Replies to this message: lbeasley (Sep 07, 2009 1:39 am) jlflemmons (Sep 07, 2009 6:45 am)
#74 of 75 Re: Rear Rotor removal 2002 Blazer [jlflemmons] by lbeasley Sep 07, 2009 (1:39 am)
Replying to: jlflemmons (Sep 06, 2009 5:04 pm) Thanks for the reply. I managed to get the rotors off and replaced the rotors, calipers, and brake pads. I went out and bought a heaver hammer and had to beat the rotors pretty hard. I wasn't worried about breaking them b/c they were being replaced any ways. I took a hammer and hit both sides of the rotor inward pretty hard. After about 4 or 5 really hard wacks, they came loose. Thanks again man! Replies to this message: jlflemmons (Sep 07, 2009 6:45 am)
#75 of 75 Re: Rear Rotor removal 2002 Blazer [lbeasley] by jlflemmons Sep 07, 2009 (6:45 am)
Replying to: lbeasley (Sep 07, 2009 1:39 am) You're more than welcome. Glad it worked out (or at least your workout was productive!)

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