
Work with an assistant on an inspection ditch or overpass
Drain the oil from the gearbox.
Disconnect the wire terminal from the negative terminal of the battery.

Automatic transmission electrical circuit checks
Below are general methods for checking the integrity of electrical circuits, checking for short circuits using an ohmmeter and voltmeter.

Place the car on a lift or inspection pit, apply the parking brake and turn off the ignition
Disconnect the negative terminal from the battery

It is convenient to carry out the work on an inspection pit. But if necessary, you can remove and install the spring and shock absorber of the rear suspension by placing the car on a flat horizontal surface.

Removing and installing the rear brake drum
The maximum permissible diameter of the drum working surface is 201.5 mm

The rear wheel brake mechanism is a drum brake with a two-piston wheel cylinder and automatic clearance adjustment between the shoes and the drum