Diesel Data: Automotive Repair

Brake Master Cylinder Assembly Inspection




Brake Master Cylinder Assembly Inspection

Brake Master Cylinder Assembly Removal and Installation

No-Load Inspection

1) Fit special tool to port of primary side (1) as shown below.
Special Tool

(A): 09918-78211

(B): 09952-46010

(C): 09952-48010









2) Apply pressure to brake master cylinder assembly by special tool (A) and confirm that pressure is not established in it.

If pressure is established, it means an abnormality in brake master cylinder assembly. In such case, replace brake master cylinder assembly.
3) Repeat Steps 1) and 2) for port of secondary side.

Air Tightness Inspection

1) With brake master cylinder assembly (1) fixed on vise (2) as shown below, fit special tool to port of primary side.
Special Tool

(A): 09918-78211

(B): 09952-46010

(C): 09952-48010









2) Using special tool, apply pressure of 50 kPa (0.5 kgf/cm2, 7.25 psi, 0.5 bar) to brake master cylinder assembly.

If above specified pressure is not established, it means an abnormality in brake master cylinder assembly. In such case, replace brake master cylinder assembly.
3) Repeat Steps 1) and 2) for port of secondary side.