Prolonging The Life Of Your Car's Automatic Transmission
Below, we'll provide a brief explanation regarding how your transmission works. We'll then offer a few tips that will help to ensure it lasts as long as possible. Because replacing the assembly can cost thousands of dollars, the time and effort you invest today can result in significant savings over the long run.
Overview Of Your Transmission's Operation
One of the jobs for which the transmission is responsible is to help the engine perform at an optimal level of efficiency. Under normal circumstances, the engine works harder to move a vehicle from a dead stop than it does when propelling the vehicle at highway speeds. The transmission uses various gears (i.e. sun gear, ring gear, and planet gears) to "force" the engine to operate within an optimal range of rpms.
Most vehicles built today are designed with a front-wheel drive layout. The transmission is positioned on the backside of the engine. Power generated by the engine's combustion cycle is sent through a torque converter to the transmission, which sends it to the front drive wheels to propel the vehicle.
Because there are so many components involved in the assembly's operation, numerous things can go wrong. In most cases, parts fail because of insufficient lubrication.
Check For Fluid Leaks
One of the most common problems that surface with automatic transmissions is fluid leaks. The fluid can seep from a number of places, including the seals, gaskets, and torque converter. It has a reddish tint, and can often be found on the ground directly underneath the assembly.
A few drops indicate a leak, which should be identified and fixed by a mechanic. That said, you may be able to put off the repair work by periodically replenishing the fluid level. Doing so will keep the moving parts lubricated, thus preventing damage to the transmission. If you notice evidence of a larger leak, it is important to have it resolved as soon as possible lest the assembly sustain extensive - and expensive - damage.
Check The Quality Of The Fluid
If you neglect to look for leaks, you may fail to recognize that the transmission fluid has dropped below its minimum level. Get into the habit of checking the level every few weeks. Start your engine, and let it idle for a minute. Then, pull out the dipstick, wipe it clean, and stick it back into its slot. Pull it out again to note the fluid level.
While checking the fluid, take a close look at its color and consistency. It should appear red or light brown. It should also be translucent and relatively runny. If the fluid is dark brown, murky, or thick, it should be replaced.
Also, check the fluid's odor. If you notice a scent reminiscent of something burning, it means the fluid has undergone severe oxidation. Again, it should be replaced.
Note Strange Behavior From Your Transmission
If your transmission is working properly, it should shift gears with very little noise or disruption. Jerking motions or grinding sounds while shifting, or a high-pitched whine, are evidence that something is wrong. This warrants immediate attention from a mechanic. Strange behavior can often be traced back to small problems that are relatively simple to fix. However, if such problems are left unresolved, they can worsen into larger issues that are more costly to address.
Maintaining your vehicle's transmission mostly involves making sure the fluid level is adequate, and that it remains in good condition. Those two items alone will help prolong the assembly's life.
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