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Changing ATF > < Repair instructions|Gearbox

Golf Mk4

ATF
   
→ ATF
Automatic Transmission Fluid
  Caution
Be careful when working with → ATF. Dispose of drained → ATF according to regulations. Remember: one drop of ATF will contaminate 1,000 litres of water.
The → ATF does more than just “lubricate” the gearbox.
Consider that the ATF which just transported miniscule particles of metal to the filter and ensured that the film of lubricant on the flanks of the teeth does not tear now provides the pressure necessary for the shift valves to do their job.
In addition, it seals the spool valves and aids the friction plates in the clutch during gear changes. It stores and transports heat and reduces noise - the → ATF performs many tasks. And it doesn't matter for the ATF if this happens on the hot equator or at a frigid pole of the earth. The → ATF fulfils very high demands!
→ ATF and fault finding via → ATF check
  N00-0567
You have just read about all the things that → ATF does. There is just one thing it cannot do: “disappear without a trace”.
→ ATF can only go missing if it has run out of the gearbox.
–  Therefore, check where the ATF has escaped from the gearbox. First repair this leak.
The → ATF is obtainable as a spare part. Therefore the part number for it can also be found in the → Electronic parts catalogue “ETKA”.
Do not mix any additives into the → ATF or use a substitute → ATF.
→ ATF which has been drained out cannot be filled again.
  N00-10244

Changing ATF > < Repair instructions|Gearbox