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Does Air Pressure Have to Build Up in a Car Transmission for It to Work Properly

Complex machinery, like a cars transmission, requires periodic maintenance to ensure a long lifespan. Allowing air pressure into the transmission assembly can harm the transmission, rather than help.

Function

A typical transmission moves power from the cars engine, through its gear assemblies and out to the wheels to propel the vehicle forward. Transmission fluid flows throughout the assembly to provide pressurized cooling, lubrication and control gear shifting.

Considerations

Air pressure seeping into the transmission, such as from a leak, causes the transmission fluid within the hydraulic system to lose pressure. As a result, the clutch disc begins to slip, causing the vehicle to change gears roughly or not at all.

Prevention/Solution

To prevent air pressure from infiltrating the transmission, make sure all seals for the transmission filter and pan are free from cracks or twists. Verify that all bolts holding the filter and pan are torqued evenly so the seals can meet effectively.

Posted by Unknown at 2:45 PM

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