Wheel Bearing Play Inspection
1. Position a dial indicator against the wheel hub.

2. Push and pull the wheel hub by hand in the axial direction and measure the wheel bearing play.
Maximum wheel bearing play 0.05 mm {0.002 in}
3. If the bearing play exceeds the specification, replace and tighten the locknut to the specified torque and retest.
Rear axle
Wheel hub, hub spindle removal/installationMazda 6 Service Manual: Cruise control switch inspection
1. Disconnect the negative battery cable.
2. Remove the driver-side air bag module. (See DRIVER-SIDE AIR BAG MODULE
REMOVAL/INSTALLATION.)
3. Disconnect the cruise control switch connector.
4. Inspect for resistance and continuity between the cruise control switch
terminals using an ohmmeter. ...
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 ...