Brake Booster Removal and Installation: Notes
WARNING: This page is about a different car, the 2011 Suzuki SX4. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
Brake booster lose their original performance if it is disassembled and reassembled. If the brake booster is found faulty, replace it rather than trying to disassemble and repair it.