Mazda MX-5 Miata / Grand Touring. Manual - part 27

1. Move the power brake unit to the vehicle front where the power brake unit fork does not interfere with 

the brake pedal arm.  

2. Remove the brake pedal.  

BRAKE SWITCH INSTALLATION NOTE 

1. Install the new brake switch to the brake pedal (MT) or the interlock cable (AT), and secure it by turning 

it clockwise 45° (AT) or counterclockwise 45° (MT). 

Fig. 8: Identifying Brake Switch Installing Angle 
Courtesy of MAZDA MOTORS CORP. 

BRAKE SWITCH CONNECTOR INSTALLATION NOTE 

1. Inspect the brake pedal. (See BRAKE PEDAL INSPECTION .)  

2. With the brake pedal in its original position, install the brake switch to the brake switch connector.  

BRAKE SWITCH INSPECTION 

CAUTION:



If the brake switch is removed from the brake pedal or the interlock 
unit, its proper functioning cannot be guaranteed when reinstalled. 
Therefore, inspect the brake switch with it still installed, or replace 

 

2008 Mazda MX-5 Miata Grand Touring 

2008 BRAKES Conventional Brake System - MX-5 Miata

  

1. Verify continuity as indicated in Fig. 9 . 



If not as indicated in Fig. 9 replace the brake switch.  

Fig. 9: Terminal Continuity Reference Table 
Courtesy of MAZDA MOTORS CORP.

the brake switch if it is removed.  

 

2008 Mazda MX-5 Miata Grand Touring 

2008 BRAKES Conventional Brake System - MX-5 Miata

  

Fig. 10: Identifying Brake Switch Connector 
Courtesy of MAZDA MOTORS CORP. 

MASTER CYLINDER REMOVAL/INSTALLATION 

1. Remove in the order indicated in Fig. 11 .  

2. Install in the reverse order of removal. 

 

2008 Mazda MX-5 Miata Grand Touring 

2008 BRAKES Conventional Brake System - MX-5 Miata

  

Fig. 11: Identifying Master Cylinder Components (With Torque Specifications) 
Courtesy of MAZDA MOTORS CORP. 

MASTER CYLINDER INSTALLATION NOTE 

1. Install the SST to the power brake unit and tighten to the specified torque. 

Tightening torque  

13.7-21.6 N.m {1.4-2.2 kgf.m, 10.2-15.9 ft.lbf}

CAUTION:



If the master cylinder is installed at an angle, the master cylinder 
piston may push against the push rod retainer of the power brake 
unit causing poor air bleeding, brake drag, or other malfunctions. Be 
sure to install the master cylinder at a perpendicular angle to the 
power brake unit.  

 

2008 Mazda MX-5 Miata Grand Touring 

2008 BRAKES Conventional Brake System - MX-5 Miata