ATF Leakage between Engine and Transmission

ATF Leakage between Engine and Transmission

• Possible damage:

The ATF pump corroded resulting in increased wear and chafing on the torque converter hub, heavy ATF leakage.

• Required actions:

- Make sure that no ATF escapes at oil leak inspection opening - arrow - after removing transmission. In this case, the final drive/transmission housing seal would be faulty.





- Replace final drive/transmission housing seal if necessary. Refer to => [ Final Drive/Transmission Housing Seal ] Final Drive/Transmission Housing Seal.

- Check brass sleeve - arrow - for signs of wear and seizing.





- Check hub - arrow - of torque converter for wear and corrosion.





If corrosion is detected:

- Replace ATF pump and torque converter.

- If there is heavy soiling => [ Evaluating Wear by ATF ] Evaluating Wear by ATF, disassemble and clean transmission.

- Replace valve body => [ Valve Body ] Valve Body.

- Check whether alignment sleeve - arrow - for torque converter is installed in crankshaft. Refer to => Engine Mechanical Engine





- Check whether both alignment sleeves - A - are inserted in cylinder block.





- Check alignment sleeves for deformation and holes in transmission flange for damage.

• Disregard - 1 to 9 -.