1. Verify that there is no torsion or cracks on the joint shaft.
If there is any malfunction, replace the joint shaft.
2. Turn the joint shaft by hand and verify that the bearing rotates smoothly.

If there is any malfunction, replace the joint shaft.
Joint Shaft Disassembly [Skyactiv G 2.0]
Joint Shaft Removal/Installation [Mzr 2.0, Mzr 2.3 Disi Turbo, Mzr 2.5]Decoration Panel Removal/Installation
1. Remove the following parts:
a. Passenger-side front scuff plate.
b. Passenger-side front side trim.
c. Glove compartment.
d. Passenger-side lower panel.
2. Remove the screw.
3. Pull the decoration panel in the direction of the arrow (1), (2) shown in
the figure, while remove the hoo ...
Engine SST [Mzr 2.3 Disi Turbo]
1: Mazda SST number
2: Global SST number
Example
1:49 UN30 3328
2:303–328
Rear oil seal replacer
1:–
2:303–507
Crankshaft TDC timing pin
1:49 UN30 310610
2:303–1061
Camshaft
alignment timing tool
...
Brake Fluid Pressure Sensor Inspection
1. Switch the ignition to off.
2. Install the SSTs to the master cylinder (secondary side) as shown in
the figure.
NOTE:
When installing the SST (49 D043 0A0) to the master cylinder, use
a commercially available flare nut wrench (flare nut across flat 12 mm {0.47
in}).
...