Check for contamination yourself!


We are all familiar with contamination of oil. What is often overlooked is the microbial contamination of an air conditioning system, which can be identified by a dirty, musty smell. Several situations are described below to check for contamination yourself.

•  Contamination of the air conditioning system

Microbial contamination is caused by micro-organisms growing on the evaporator of the air conditioning system. In the evaporator, the refrigerant changes from a liquid state to a gaseous state. During this evaporation, heat is extracted from the housing of the evaporator, causing it to cool strongly. Therefore, the outside of the evaporator will become wet and this moist forms a breeding ground for micro-organisms such as bacteria, yeasts, and fungi. Once sufficient of these micro-orgasms have grown, this may cause from unpleasant odours in the interior to irritating and allergy-causing unhealthy air. 

Findings:

Possible cause:

Recommendation:

Dirty smells from the air conditioner

Micro-organisms growing on the evaporator

Have the air conditioner treated

Smoke and nicotine smells

Previously, someone smoked in the car

Have the air conditioner treated

Respiratory irritation

Micro-organisms growing on the evaporator

Have the air conditioner treated

Unhealthy air

Micro-organisms growing on the evaporator

Have the air conditioner treated

Poor defogging

Malfunctioning air conditioner

Inspection of the air conditioner

The garage will treat your car with Forté Air Conditioner TreatmentHere you can find more information on air conditioning systems and their treatment.

•  Contamination of the engine oil

It is important to check your vehicle's oil level regularly. By checking, the quality of the oil can be determined to a certain extent. In order to check the oil properly, you should go through a number of steps. These steps are listed below.


1.  Check the oil only after the engine has cooled off for at least 10 minutes.
2.  Make sure the car is standing on an even surface. Preferably always in the same spot. 
3.  Remove the dipstick from the engine and clean the bottom part of the dipstick properly.
4.  Put the dipstick back into the engine. Make sure it is placed properly.
5.  Remove the dipstick again.
6.  Read the oil level on the dipstick. The level is adequate if it is between the minimum and 
    maximum level. Make sure the level never drops below the minimum level.
7.  Observe the colour and the thickness (viscosity) of the oil on the dipstick.

Depending on the findings, we recommend having the fuel system and engine cleaned at a professional garage.


Checking with the dipstick

Findings:

Possible cause:

Recommendation:

Oil level is too high

Oil diluted by fuel

Have the fuel system cleaned

Oil level is too low

Increased oil consumption

Have the inside of the engine cleaned

Highly contaminated oil (black)

Internal engine contamination

Have the inside of the engine cleaned

Thickened oil

Internal engine contamination

Have the inside of the engine cleaned

 

Checking the filler

Contamination in the form of black sludge or a white emulsion of water and oil, also known as mayonnaise (white sludge) can be visible in the oil filler cap. This is usually caused by a poorly functioning crankcase ventilation combined with often driving short distances. Forté recommends having the engine internally cleaned in these cases. Your vehicle can only perform optimally when the engine is clean inside.

 


A typical case of mayonnaise (white sludge).

 

Clean performs better!

 

 

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