Checking brass sleeve of ATF pump housing for wear
WARNING: This page is about a different car, the 2005 Audi A4, 2004 Audi A4, 2003 Audi A4, and 2002 Audi A4. However, it is still accessible from the selected car via links, so may be relevant.
- Check contact surface of brass sleeve - arrow - for wear.
- Contact surface must not be heavily scored and/or show blue discoloration.
In case of deep grooves and/or blue color:
- Replace ATF pump.
If no blue discoloration and only small grooves are detected, proceed as follows:
- Sandpaper (600 grit, oiled) contact surface 1 to 2 times.
- Carefully wipe off with a clean rag and check contact surface.
- Contact surface must now be like new.
If scores cannot be removed in this manner:
- Replace ATF pump.
- Check torque converter hub - arrow - for wear.
If wear on torque converter can be recognized:
- Replace torque converter.