RECOMMENDATIONS - PRECAUTIONS : AL 4 AUTOMATIC GEARBOX
Engines : NFZ - NFU - RFN
PROCEDURE BEFORE REPAIRS
AL 4 gearbox
Oil Quality
If the gearbox has suffered a serious fault resulting in a malfunction or the destruction of a clutch, the oil will overheat and become contaminated with
impurities : the oil is said to be "burnt".
This is characterised by a black colour and the presence of an unpleasant smell.