Fluid change every 20,000km to 40,000km depends on transmission type.
Plug in computer scanner to check the car’s computer data and code information, note any trouble codes listed.
Clear/reset computer codes.
Drain trans oil/remove the oil pan.
Check for metal/debris in the oil pan.
Check all adjustments to bands, oil pressures and linkages.
Check internal wiring to shift solenoids and sensors.
Thoroughly clean oil pan and fit new oil filter.
Replace pan gasket/oil pan seal.
Carry out vehicle driveline inspection of drive shafts, tail shaft uni joints, flex rubber rings, Oil cooler and hoses, transmission mounts/engine mounts.
Refill with transmission oil. Oil type depends on transmission type, 3speed, 4speed, 5speed, 6speed, 7speed, 8speed & 10speed.
Road test and confirm proper operation
Report transmission condition to customer.