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: Operating Tips for AAC
AAC stands for Advanced Audio Coding, which is standardized voice compression
established by the ISO*1 working group (MPEG). Audio data can be created and stored
at a higher compression ratio than MP3.
This unit plays files with the extensions (.aac/.m4a/.wav) as the AAC files.
*1 Internationa ...
Mazda 6 Service Manual: Using Automatic Locking Mode (Some models)
Follow these instructions when using a child-restraint system, unless you are
attaching a LATCH-equipped childrestraint system to the rear LATCH lower anchors.
Refer to “Using LATCH Lower Anchor”.
NOTE
Follow the child-restraint system manufacturer's instructions carefully. If
you are no ...