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: Declaration of Conformity
Keyless Entry System/Immobilizer System
Blind Spot Monitoring (BSM) System
NOTE
During printing time of this user manual the approvals listed above are granted.
WARNING
Change or modifications not expressively approved by the party responsible
for compliance could void the use's authori ...
Mazda 6 Service Manual: Oil cooler flushing
Note
The contaminated cooler line (oil pipes and hoses) and auxiliary
cooler must be flushed completely when ATX is overhauled or replaced.
1. Remove the two oil cooler line hoses and apply air pressure of 196 kPa
{2.0 kgf/cm2, 28 psi} from the return hose (pipe) side.
Caution
Power ...