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: Air bag module and pre-tensioner seat belt deployment procedures
Warning
A live (undeployed) air bag module and pre-tensioner seat belt may
accidentally deploy when it is disposed of and cause serious injury. Do not
dispose of a live (undeployed) air bag module and pre-tensioner seat belt.
If the SSTs (Deployment tool and Adapter harness) are not ava ...
Mazda 6 Service Manual: Pcm removal/installation
Note
For replace the PCM, Setup the WDS and perform the PCM
configuration. (See PCM CONFIGURATION.)
1. Disconnect the negative battery cable.
2. For R.H.D, perform the following procedures.
(1) Remove the front side trim (left-side).
(2) Partially peel back the flower covering.
3 ...