Low And Reverse Brake PREINSPECTION

WARNING: This page is about a different car, the 2008 Mazda RX-8, 2007 Mazda RX-8, 2006 Mazda RX-8, 2005 Mazda RX-8, and 2004 Mazda RX-8. However, it is still accessible from the selected car via links, so may be relevant.

WARNING:

Using compressed air can cause dirt and other particles to fly out, causing injury to the eyes. Wear protective eye wear whenever using compressed air.

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.

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.
Air pressure

390 kPa {4.0 kgf/cm ² , 57 psi} max.

Fig 1: Applying Compressed Air To Low And Reverse Brake Fluid Passage
Courtesy of MAZDA MOTORS CORP.
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 2: 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

mm {in}
5.2 {0.205}	5.4 {0.213}	5.6 {0.220}
5.8 {0.228}	6.0 {0.236}	-