OIL PUMP REMOVAL/INSTALLATION
1. Disconnect the negative battery cable.
2. Drain the engine oil. (See ENGINE OIL REPLACEMENT.)
3. Remove the oil pan. (See OIL PAN REMOVAL/INSTALLATION.)
4. Remove in the order indicated in the table.
5. Install in the reverse order of removal.
6. Inspect the engine oil level. (See ENGINE OIL INSPECTION.)
7. Start the engine and inspect for oil leakage.
8. Inspect the oil pressure. (See OIL PRESSURE INSPECTION.)


Oil Pump Sprocket Removal / Installation Note
Install the SST
to the oil pump sprocket to stop the oil pump from turn in.

Oil pan
Cooling systemMazda 6 Service Manual: Disconnection of the negative battery cable
Before beginning any work, turn the ignition switch to LOCK position,
then disconnect the negative battery cable and wait for more than 1 minute
to allow the backup power supply of the SAS unit to deplete its stored
power. Disconnecting the battery cable will delete the memories of the
...
Mazda 6 Service Manual: Supplemental Restraint System Components
(With Front Passenger Occupant Classification System)
(Without Front Passenger Occupant Classification System)
Driver/Front passenger inflators and air bags
Roll-over sensor (some models), crash sensors, and diagnostic module (SAS
unit).
Seat belt pretensioners
Front air bag sensor ...