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...Technical Information Visco fan General points For heat dissipation in truck and powerful car engines, fans and fan drives which provide cooling air particularly efficiently are required in addition to powerful coolers. Visco fans (Fig. 1) are made up of a fan wheel and a Visco clutch....

...Blue print Protip to fit: Land Rover Discovery 3, 4 and Range Rover Sport modelsProblem Excessive heat build-up in the rear brakes, squeal from the rear brakes while driving, squeal from the rear brake when the electronic parking brake (EPB) is applied and EPB warning lamp illuminated....

...Technical Information Page 1 of 1 © HELLA KGaA Hueck & Co., Lippstadt The reprinting, distribution, reproduction, exploitation in any form and disclosure of the contents of this document, even in part, is prohibited without our express written approval and indication of the source. The s...

...Technical Information Glow plugs General Diesel engines require an extra heat source to reach the necessary ignition temperature of the diesel fuel/air mixture when lower outside temperatures exist. This is the function of the pre-heater system and the use of Glow plug s as the...

...Technical Information Oil temperature sensor General Depending on the type of vehicle, oil temperature sensors may be installed in addition to oil pressure sensors in some vehicles. The oil temperature sensor sends its information to a separate instrument or to the ECU for moni...

...Technical Information Preheating relays General Preheating relays provide switching and control of glow plugs. Activation and operation duration are mostly influenced by the position of the ignition switch or activity of the door lock and a temperature sensor. Funct...

...Technical Information Accelerator pedal position sensor General On modern vehicles the percentage of electronic components is increasing. Reasons for this, are among others, the legal regulations, e.g. emissions and fuel consumption reduction, the increase of active and passive safet...

...Technical Information Air Flow Sensor (MAF) General The air flow sensor records the incoming air flow. It is constructed of a duct style housing with a flow rectifier, sensor protection and a sensor module. The air flow sensor is fitted into the inlet pipe between the air filte...

...Technical Information Camshaft sensor General Camshaft sensors have the function, in coordination with the crankshaft sensor, to define N o 1 cylinder compression/firing stroke. This information is needed for a) commencement of injection on sequential injections system, b) th...

...Technical Information Coolant level sensor General Coolant level sensors are fitted into the expansion tank. It checks the minimum level in the tank to prevent an overheated engine through water shortage. Function The coolant level sensor is a magnet which is...



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