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6.2l crank pulley

  1. GMC and Chevy Diesel General Discussion
    I'm changing the crank pulley. I have no a/c so it has 2 grooves. I've read in a few forums you can stop the crank from turning by disconnecting battery(so engine doesn't start), parking brake on and put vehicle in gear. I found this didn't work, crank would still turn. I tried the ratchet strap...