Removing the heater
Disconnect the wire from the negative terminal of the battery.
Drain the coolant.
The rear wheel brakes are drum brakes, with two-piston wheel cylinders with automatic adjustment of the gap between the shoes and the drum
The master cylinder must be repaired or replaced when the pressure in the clutch release drive is not maintained (when pressed smoothly, the pedal reaches the stop, but the clutch does not disengage)