One of the most complex efforts Pontiac car drivers venture into is driving down into traffic-filled streets. A good driver must have thorough knowledge on how to appropriately handle his car. Among these is considering the appropriate speed traveled by the vehicle depending on the road conditions. For this reason, it is necessary that you know when and when not to shift gears so that you will not be considered a road nuisance by other car drivers. This job is done by the car’s transmission system. It is a group of components that serve the main function of keeping your internal combustion engine operating at an appropriate speed and make effective use of the engine’s torque. Your Pontiac vehicle would just be limited to a one gear ratio if it does not have a transmission. Three major components make up your entire transmission system: the hydraulic control unit, torque converter, and planetary gear unit. Each component is made up of smaller parts that make it possible for your Pontiac to shift gears efficiently.

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