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]EGR Pipe Removal/Installation [Mzr 2.3 Disi Turbo]
1. Remove the battery cover..
2. Disconnect the negative battery cable..
3. Remove the battery and battery tray..
4. Remove the following parts..
Fresh-air duct
Air cleaner
Charge air cooler
Air hose
Air duct
5. Set the throttle body out of the way ...
Stop Vehicle in Safe Place Immediately
If any of the following warning lights turns on, the system may have a
malfunction. Stop the
vehicle in a safe place immediately and contact an Authorized Mazda Dealer.
...
Combination Switch Removal/Installation
CAUTION:
Handling the air bag module improperly can accidentally deploy the air bag
module, which may seriously injure you. Read the air bag system service warnings
and cautions before handling the air bag module..
1. Switch the ignition to off.
2. Disconnect the negative batte ...