1. Drain the ATF. (See AUTOMATIC TRANSAXLE FLUID (ATF) REPLACEMENT.)
Caution
2. Remove the drive shaft. (See DRIVE SHAFT REMOVAL/INSTALLATION.)
3. Remove the oil seal.
4. Using the SST
and a hammer, tap a new oil seal in evenly until the SST
contacts the transaxle case.

5. Coat the lip of the oil seal with transaxle oil.
6. Install the drive shaft. (See DRIVE SHAFT REMOVAL/INSTALLATION.)
7. Add ATF to the specified level. (See AUTOMATIC TRANSAXLE FLUID (ATF) REPLACEMENT.)
8. Carry out the mechanical system test. (See MECHANICAL SYSTEM TEST.)
Automatic transaxle removal/installation
Control valve body removalMazda 6 Service Manual: Intermittent concern troubleshooting
Vibration Method
1. If malfunction occurs or becomes worse while driving on a rough road or
when engine is vibrating, perform the steps below.
Note
There are several reasons vehicle or engine vibration could cause
an electrical malfunction. Some of the things to check for are:
...
Mazda 6 Service Manual: Fuel pump unit inspection
Caution
It is normal to hear the fuel pump operating when the ignition
switch is turned to the ON position.
Note
To improve startability, the fuel pump control operates the fuel
pump unit when the ignition switch is turned to the ON position. Due to
this, fuel pressure is rapidly ...