Low And Reverse Brake Assembly

1. Install new seal rings to the low and reverse brake piston.
   Fig 1: Installing Seal Rings To Low And Reverse Brake Piston

   Courtesy of MAZDA MOTORS CORP.
2. Install the low and reverse brake piston.
   Fig 2: Installing Low And Reverse Brake Piston

   Courtesy of MAZDA MOTORS CORP.
3. Install the return spring.
   CAUTION:

   • If the dished plate is not installed in the specified direction, it may be damaged or not operate properly. Install the plate exactly as shown in the figure.
   Fig 3: Installing Return Spring

   Courtesy of MAZDA MOTORS CORP.
4. Apply ATF to the dished plate, driven plates, and the drive plates, and install them to the transmission case in the following order:

   Dished-Driven-Driven-Drive-Driven-Drive-Driven-Drive-Driven-Drive 

   Fig 4: Installing Dished Plate, Driven Plates, And Drive Plates, To Transmission Case

   Courtesy of MAZDA MOTORS CORP.
5. Install the N-spring.
   Fig 5: Installing N-Spring

   Courtesy of MAZDA MOTORS CORP.
6. Install the retaining plate and the snap ring.
   CAUTION:

   • Applying compressed air to the assembled clutch pack for more than 3 s at a time will damage the seal.
   • Do not apply compressed air for more than the aforementioned time when testing the system.
   Fig 6: Installing Retaining Plate And Snap Ring

   Courtesy of MAZDA MOTORS CORP.
7. Apply compressed air to the part indicated in the figure and inspect the low and reverse brake operation.
   • If there is any malfunction, inspect the seal rings.
   Fig 7: Applying Compressed Air To Low And Reverse Brake Fluid Passage
   Courtesy of MAZDA MOTORS CORP.

   Air pressure 

   390 kPa {4.0 kgf/cm ²  , 57 psi} max. 

8. Measure the clearance between the retaining plate and the snap ring.
   • If the clearance is not within the specification, adjust the clearance by installing the correct retaining plate.
   Fig 8: Measuring Clearance Between Retaining Plate And Snap Ring

   Courtesy of MAZDA MOTORS CORP.

   Specification 

   0.7-1.1 mm {0.028-0.043 in} 

Retaining plate sizes