Automatic transmission Mazda 626 (3 and 4)

General information about automatic transmission
Since the automatic transmission and hydraulic control system are complex devices and special tools, specific knowledge, skills and experience are required to carry out...

General automatic transmission diagnostics
Malfunctions of an automatic transmission can be caused by the following four reasons: unstable engine operation; incorrect adjustment; malfunction of the hydraulic...

Checking and replacing the vacuum diaphragm
Signs of damage to the vacuum diaphragm are vibrations during shifting and incomplete gear engagement. Drain approximately 1 liter of fluid from the gearbox housing so...

Checking and adjusting the downshift forced engagement mechanism
If the transmission does not downshift when the accelerator pedal is fully depressed and the downshift solenoid is not working properly, the downshift mechanism may be...

Checking the low gear solenoid
Damage to the downshift solenoid is indicated by the transmission not downshifting when the accelerator pedal is fully depressed, or by an erratic or rough gearshift....

Checking and replacing the lock switch
Examination Check the operation of the lock switch, making sure that the engine starts only when the selector lever is in the positions «parking» or «neutral». Trace the...

Removal and installation of a transmission
Removing Disconnect the wire from the negative battery terminal. Disconnect the speedometer cable. Disconnect the shift cable from the gearbox. Disconnect the connection...

Replacing gearbox seals
Input shaft seal Remove the gearbox. Remove the torque converter from the input shaft. Using a small screwdriver or punch, remove the old oil seal from the gearbox...

Checking and adjusting the shift cable
Pic. 9.26. Positions of fixing of draft of a gear change Set the selector lever in sequence to each position and make sure it locks in each position and matches the...

Replacing the oil pan gasket
Drain the transmission fluid. Attention! Be careful - the liquid can be very hot. Remove the oil pan mounting bolts and remove the pan, while preparing for a possible...