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How do dash gauges work? Almost every car has a set of dash / instrument gauges located in clear sight of the driver. This set of gauges is commonly referred to as the gauge cluster. Most dash gauge clusters show the car’s speed, the engines RPM, the amount of...
What is differential fluid? When you make a turn in your car, the wheels on the outside have to travel further than the wheels on the inside. This is because they travel a further distance. The differential (also known as a diff) is what allows two wheels to operate...
What is the exhaust air pump? The exhaust air pump (also known as the smog pump or air injection pump) is an important emissions control device. Its role is to push air into the exhaust system to help ensure that any unburnt fuel is completely burnt. This results in...
What does the valve / rocker cover gasket do? Modern engines utilise several gaskets in order to keep the motor’s interior sealed. An important gasket is the valve or rocker cover gasket, which sits between the cylinder head and its valve cover. The role of the...
What is the ignition control module? Your car’s ignition module is responsible for switching off and on 12 volts to your ignition coils from energy supplied from your cars battery and electrical charging system. It is also responsible for the switching action...
What is the transmission speed sensor? In modern cars with automatic transmissions, the transmission speed sensor or sometime call turbine speed sensor is an important component. Its purpose is to detect the rotational speed of the transmission’s torque...
