...BULLETIN Ac SYSTEM COMPONENTS©Nissens A/S, Ormhøjgårdvej 9, 8700 Horsens, Denmark. For further technical and contAc t information visit our website www.nissens.com. The material and its contents are provided without warranty of any kind, and by publishing of it, wedisclaim any liabili...
...ndirekte SAc h- oder Personenschäden durch Fehlfunktion oder Ausfall beim Fahrzeugbetrieb, die/der durch unsAc hgemäße Anwendung, Einbau und/oder Missbrauch unserer Produkte entsteht. NISSENS' TECHNICAL BULLETIN Ac SYSTEMTHEME: Ac SYSTEM DIAGNOSTICSCOMPONENTS TO MEASURE AND PROPER OPERATI...
...l and contAc t information visit our website www.nissens.com. The material and its contents are provided without warranty of any kind, and by publishing of it, we disclaim any liability. Always follow the given vehicle manufAc turer's instructions to follow the right service and maintenance...
...AC Diagnostics - measuring pressures The working pressures diagnostics method, is an easy and cost effective way to troubleshoot major problems within the AC system. The temperature and pressure variations taking place inside the loop and within an AC cycle, are crucial for the refrige...
...nside the Ac loop. Temperature-based diagnostics of components is considered as one of the basic methods to troubleshoot the system. It is easy, reliable and cost-effective. Temperature ranges of Ac loop components can tell a trained diagnostician how well the system is running, and wher...
...nser is plAc ed at the front of the car and is typically attAc hed to other heat exchangers in the engine compartment. The condenser is crucial for the Ac system operation. It ensures that the refrigerant changes from a gas to a liquid form. This is Ac hieved through the condensation process,...
...en to replAc e a Receiver Dryer The receiver dryer is a filtering unit, located on the high-pressure side of the Ac loop, between the condenser and the expansion valve. The receiver dryer's main role is to filter particles and debris in the Ac circuit, as well as to absorb any moisture in...
...AC troubleshooting - expansion valve malfunction The expansion valve controls refrigerant flow according to evaporator temperature and the load and cooling demand of the AC system. Nissens explains the symptoms of a failing expansion valve and what steps to take in diagnosing and repair...
...in the HVAc (Heat-Ventilation-Air-Conditioning) module and has an average lifetime of eight years. However, an ineffective air filter or high mileage, for example using the car as a commercial vehicle, can severely affect the lifespan of the blower. Problem There can be many reasons...
...ure from lAc k of oil Common turbo failure modes create much discussion between Melett's technical department and their customers. To help identify common failures in warranty situations, and to provide advice on how to prevent future failures occurring, Melett have created a series of h...