trans-flush-machine

If you read our blog on motor oil, we covered the fact that dirt is suspended in the oil. At each oil change, the oil (and the dirt it holds) drains out of your car and clean oil is added. Can we apply the same reasoning with transmissions?

Transmissions don’t pull in air or combustion byproducts, but they do have metal-to-metal contact, or the potential for metal-to-metal contact (this is true with every component on your car where fluids are involved). Transmissions also produce great amounts of heat.

Heat, plus metal-to-metal contact eventually breaks down the fluid that circulates through the system. The good news is that we do not have to service the transmission every 5,000 miles. Most experts advise servicing the transmission every 30,000 miles, especially if your vehicle is used for towing (boats, campers, etc.). If you’re not towing and don’t do a lot of driving, then you could probably extend your regular transmission service to 50,000 miles. Typically, the manufacturer has a recommendation as well. Check with your owner’s manual for your particular vehicle’s recommendation.

Most folks that are familiar with traditional transmission services will remember the transmission pan being removed and a filter and gasket replacement being part of the service. However, that only removed maybe one-third of the total amount of fluid and left two-thirds of the dirty or additive depleted fluid remaining in the system. With modern flushing machines, the entire amount of transmission fluid can be exchanged. This is a much more effective and thorough way of servicing the transmission fluid.

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Posted in Car Advice