A240 Bolt Transmission parts, repair guidelines, problems, manuals

Transmission general data

Number of gears Transmission Type Drive Torque (Nm) ATF (full capacity) L ATF (change) L ATF type
4 AT FWD 186 7,2 3,1 Toyota Type T-IV
Related transmission models or modifications of this transmission:
Part type (1) Expand

Technical issues and repair guidelines

Overhauls in repair services commonly consist of repair of the torque converter, valve body, gearbox reassembly and replacement of spare parts and burnt friction components. Usually during the overhaul specialists have to deal with old gearboxes having the lockup mechanism worn to the glue layer, which reaches other frictions. Therefore, it is advisable to replace the whole set of friction discs during reassembly procedure. For problem-free exploitation of this gearbox, it is required to change fluid and (after 8-10 years) replace the filter on a timely basis. It is also recommended to replace the filter, if the gearbox has been used with burnt fluid or worn friction in the torque converter.


The most sensitive issue for the A240 unit is the wear-out of the lockup friction in the torque converter (TC) clutch which makes solenoids and valve body dirty.These gearboxes can cover substantial distances without any repair, but after 200 thousand kilometers it is advisable to monitor possible leakages of the pump seal and timely perform repair of the TC unit. Seals (of pump, axle shaft, cuffs etc.) start leaking because of a long exploitation period or due to wear-out of the TC lockup and resulting vibrations. The transmission shaft seal is replaced together with other seals. When delaying with replacement of seals, then it may be needed to change the rotating pump bushing.Solenoids are quite durable as well as, the brake band. The design of these elements hasn’t been changed since 1985.