1. Verify that the joint shaft is not twisted or cracked.
2. Turn the joint shaft by hand and verify that the bearing rotates smoothly and freely.

Drive shaft
Joint shaft removal/installationMazda 6 Service Manual: How to Use Stitcher™ Radio
What is Stitcher™ Radio?
Stitcher™*1 radio is an application which can be used to listen to Internet radio
or stream podcasts.
Recommended content is automatically selected by registering content which you
put into your favorites, or by pressing the Like or Dislike button.
For details on ...
Mazda 6 Service Manual: Knock sensor inspection
Note
Perform the following test only when directed.
Resistance Inspection
1. Turn the ignition switch to LOCK.
2. Disconnect the knock sensor connector.
3. Measure the resistance between the knock sensor terminals A and B using an
ohmmeter.
If not as specified, replace the knock sens ...