I cannot get the bolt to loosen to get the caliper off

172,000 MILES • 4 CYL • 2WD • AUTOMATIC
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TIMSMITH37
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  • 1 POST
I cannot get the bolt to loosen to get the caliper off. Any ideas. I have tried to use wd40 to handle deal with the rust but I have not had any luck
May 1, 2008 at 3:32 AM
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BRUCE HUNT
  • ✓Experienced Mechanic
  • 3,754 POSTS
An impact wrench (air tool) might be helpful. Also, I like WD40 but it is really not designed as a penetrating oil. Try something like liquid wrench to help dissolve some of the rust. I am sure you have tried a long extension to a ratchet with a possible cheater bar. Wrench hit with a rubber mallet sometimes works too. I go for the impact wrench.
Apr 9, 2021 at 4:01 AM
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