Aerio L4-2.3L (2006)
Brake Master Cylinder: Service and Repair
Master Cylinder Assembly Overhaul
Disassembly
1. [For vehicle not equipped with ABS] Remove piston stopper bolt (1).
2. [For vehicle equipped with ABS] Push in primary piston (1) to remove secondary piston stopper pin (2) from master cylinder as shown.
3. Remove circlip (1).
4. Remove primary piston. Then remove secondary piston by blowing compressed air (2) into hole. Be cautious during removal as secondary piston
jumps out.
Reassembly
CAUTION:
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Never use any mineral oil such as kerosene oil and gasoline when washing and assembling parts.
^
Check inside of cylinder wall, pistons and cup seals are free from any foreign objects such as dust and dirt and use case not to cause any damage
with a tool during assembly.
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Do not drop parts. Do not use any part which has been dropped.
1. Apply brake fluid to inside of cylinder and contact surface of piston assembly (new piston cups, new cylinder cup).
