Hi Lando Paseli,
The trans filter is a maintenance free type. A complete stripping of the trans assy is required to replace it.
If the reverse and fourth gears are slipping, it means the fourth clutch is slipping.
The clutch piston O ring is hardened due to old age and lack of fluid change.
You need to rebuild the trans assy, it is a matter of time before the gears give way.
Thursday, June 19th, 2008 AT 9:11 AM