Après passage chez mon dealer en présence du technicien de l'importateur, il apparaît qu'il y a un "fix" pour les problèmes de "mayonnaise" (émulsion d'huile moteur).
Mon dealer m'a envoyé la note technique par e-mail et voici les points intéressants :
Technical Information : Ref. No.TI-135/04
During engine oil level check, customer may find milky substance sticking on the oil level gauge.
When you encounter a customer complaint on this concern, please explain to him/her that this milky substance does not affect engine performance or any other functions of the vehicle.
Mass Production Change
- A tube will be installed in the oil level gauge pipe. (Scheduled for March 2005)
- In prior to the tube installation, oil level gauge has been modified.
Beginning VIN & Date of Modification
Oil level gauge tube installation (Scheduled for March 2005)
Will be provided later.
Oil level gauge modification
US Spec.
JM1 FE**** ** 143676 August 6, 2004
EC Spec.
JMZ SE**** ** 124724 August 6, 2004
ADR Spec.
JM0 FE**** ** 102565 August 6, 2004
Field Countermeasure
Service part (oil level gauge tube) will soon be available.
When you encounter a customer complaint on this concern, first try to convince the customer that this milky substance is not a problem. However, if s/he still complains strongly about the substance, install a tube in the oil level gauge pipe and replace the oil level gauge with a modified one according to the tube installation procedure in the next page, if necessary.
Parts Information
Part No. Part Name Q’ty Int.
New Old
N3H1 10 4C2 --- Oil Level Gauge Tube 1 --
N3H1 10 450D N3H1 10 450C Oil Level Gauge 1 AN
Interchangeability Code:
AN… A new part and the former part are fully interchangeable.
MECHANISM OF CREATION OF THIS MILKY SUBSTANCE
Under a cold weather, blow-by gas is chilled on the intermediate housing wall and moisture is created and condensed due to difference of temperature.
The moisture reacts chemically with the engine oil on the intermediate housing and the milky substance appears on the intermediate housing. (For the detailed location, refer to the illustration.)
This milky substance does not affect the quality of engine oil. Also MC has confirmed that the amount of moisture contained in the engine oil is within the standard for engine oil commonly used in the market and the engine performance will not be affected.
If the level of coolant reservoir tank is within the standard and there is no sign of engine coolant leakage, please convince the customer there is no problem with the milky substance.
Mon dealer a commandé les pièces pour ma voiture. Je vous tiens au currare.