Removing a stuck rear rotor can be a challenging task, but with the right techniques and tools, it's a manageable process. Here's a comprehensive guide to help you tackle this common automotive issue.

Preparation

Before attempting to remove a stuck rear rotor, ensure you have the following tools:

  • Hammer (preferably a ball-peen hammer)
  • Penetrating oil (such as PB Blaster)
  • Large bolts, washers, and nuts
  • Wrench set
  • Safety equipment (gloves, safety glasses)

Methods for Removing a Stuck Rear Rotor

1. Hammer Method

The simplest approach is often the most effective:

  • Remove the caliper and bracket
  • Apply penetrating oil around the hub and rotor interface
  • Use a medium-sized ball-peen hammer to strike the rotor between the wheel studs
  • Rotate the rotor and repeat the process

Caution: Avoid hitting the wheel studs or the braking surface of the rotor.

2. Bolt and Nut Technique

This method applies pressure to push the rotor off:

  • Locate the threaded holes in the rotor (if available)
  • Insert large bolts with washers into these holes
  • Place nuts between the rotor and the hub
  • Tighten the bolts alternately to push the rotor off

3. Rotor Puller

For stubborn rotors, a specialized tool can be helpful:

  • Attach the rotor puller to the backside of the rotor
  • Tighten the center bolt of the puller
  • If necessary, strike the center bolt with a hammer while maintaining tension

4. Heat Application

As a last resort, applying heat can break the corrosion bond:

  • Use a propane torch to heat the area between the hub and rotor
  • Apply heat evenly around the rotor
  • Attempt removal using one of the previous methods

Warning: Exercise extreme caution when using heat. Keep a fire extinguisher nearby.

Prevention Tips

To avoid future stuck rotors:

  • Apply anti-seize compound to the hub surface when installing new rotors
  • Regularly clean and lubricate brake components
  • Perform routine brake maintenance

By following these methods and tips, you should be able to successfully remove even the most stubborn rear rotors. Remember to work patiently and safely throughout the process.