Removing and installing Mazda 3 speedometer sensor
Disconnect the negative battery cable.
Remove the battery and its tray.

Removing and installing selector lever Mazda 3
The mechanism for shifting an automatic transmission is shown in fig. 1

Due to the fact that the vehicle uses a system without fuel return to the tank, the fuel pump unit, with the exception of the fuel gauge sensor, is integrated

Checking fuel leaks
Disconnect the negative battery cable.
Remove the fuel injectors together with the fuel distributor without disconnecting the fuel supply hose