![]() The input shaft is connected to the engine. They’re integral to the workings of your gearbox. ![]() In your transmission, there is something called ‘input’ and ‘output’ shafts. Broken Gearbox Input Or Output Shaft Seals When this happens, transmission fluid can start leaking from there. The pump can crack if not cared for, serviced, or replaced in a timely manner. Worse, the transmission fluid might stop flowing entirely, which can cause a lot more problems down the line. At this point, it may not be able to put enough pressure for the transmission fluid to flow at a sufficient velocity. The ‘hot’ tube (or line) is attached to your car’s radiator, from where it will be cooled.Īs it undergoes a lot of strain, the torque pump can wear out and fail. There is a cooling pump in there to help circulate the transmission fluid. One carries hot transmission fluid out of the transmission, while the other flows back cool fluids back into the gearbox. These are two sets of often rubber – although it could be metal – tubing. With the latter, your gearbox has cooling lines. Damaged Transmission Fluid Cooling Lines (Or The Cooling System)Īs we noted earlier, your car’s transmission fluid plays a role as both a lubricant and a coolant. This can lead to it wearing out and leaking. Once again, poor care during servicing can lead to the gaskets being installed or inspected improperly. The gasket normally comes off with the plug. The drain plug gasket should be inspected every time the plug is removed to make sure it’s still in good condition. This is where a mechanic would start to drain away and flush transmission fluids. 1 cause of faulty transmissions.Īnother possible fault waiting to happen on the pan is the gaskets around the drain plugs. This aids in cooling down the hot gearbox, as many technicians can agree that overheating (which is proven by the “AT oil temp” light in a Subaru) is the No. Secondly, it’s the transmission’s source of coolant to keep the temperature in check. Firstly, it behaves as lubrication to smoothen out any and all friction between those moving componentry. To mitigate this effect, and to preserve the performance, efficiency, and longevity of the gearbox, we have transmission fluid. Consequently, there’s a lot of friction and heat being generated as the transmission continually changes from one gear to the next. Your car’s gearbox has many moving parts working in tandem. So, what is transmission fluid and what does it do? Quite simply, it works for your gearbox in the same fashion that motor oil does for your engine. Before we get into discussing transmission leak repair costs, we should first understand more about the liquids that are leaking in the first place.
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