What temperature is too high for an automatic transmission?

The ideal maximum transmission temperature is 200 degrees. This is important to know because for every 20 degrees your transmission goes above 200, its life span is cut in half. Think about it. At 220 degrees, your transmission’s life is cut in half.

What temperature is too hot for an automatic transmission?

The ideal operating temperature of transmission fluid is 175 degrees. Overheating occurs after the temperature surpasses 200 degrees, and the failure rate doubles for every additional 20 degree increase after that.

What transmission temp is too high?

#1 Cause of Failure

The optimal temperature range for transmission fluid is 175 to 220 degrees. Above that, for every 20 degrees bad things happen, starting with formation of varnish at 240 degrees, followed by seals hardening, plates slipping, seals and clutches burn out, carbon is formed, and, ultimately, failure.

Is 200 too hot for transmission?

The ideal temperature for your transmission is 200 degrees. For every 20 degrees past 200, the lifespan of your transmission is reduced by a factor of 2. In other words, if you hit 220 degrees, you can expect to get about half the normal life out of your transmission. … Hot transmissions give off an odor.

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How do I lower my transmission temperature?

Transmission fluid additives contain special coolants designed to reduce the temperature of your transmission, particularly when it is under strain from stop and go traffic, driving on hilly terrain or carrying extra weight. Transmission fluid additives can be purchased at most auto supply stores.

How do I know if my transmission is overheating?

3 Symptoms of Transmission Overheating

  1. Acrid Burning Odor. Transmissions change gears using principles of hydraulic power. …
  2. Slow Response Times. A transmission stands a much greater chance of overheating if fluid levels drop too low. …
  3. Transmission Slipping.

At what temp does ATF breakdown?

Without enough transmission fluid or effective fluid, your transmission will start acting out. The ideal fluid temperature is under 175 degrees, but as fluid ages it starts to break down and lose its capacity to cool down the transmission. This is when transmission overheating occurs. At 220 degrees, varnish forms.

What temperature is too cold for transmission fluid?

Viscosity change: The viscosity of transmission fluid changes and gets thicker in the cold. The ideal temperature for it is 175 degrees, plus or minus 25 degrees, and when the transmission gets below zero degrees, it gets too thick.

How do you warm up an automatic transmission?

Start the engine, allow it to stabilize and idle for perhaps 15 seconds, shift into gear, wait a few seconds for the transmission to fully engage then drive the vehicle up to temperature gently.

Does transmission fluid expand when hot?

If the fluid level is OK when cold, it should also be within the cross hatched area for “H” as well. The reason for checking when both hot and cold is transmission fluid expands as it is heated. … Transmission fluid expands and keeps expanding the hotter it gets.

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Can too much transmission fluid cause overheating?

Transmission Fluid Leakage: Adding too much fluid will cause high pressure inside of your transmission. … Overheated Transmission: If there is too much fluid in your transmission, there is a good chance it will overheat. Air won’t be able to enter to cool the system down.

How hot can synthetic transmission fluid get?

Amsoil’s full synthetic ATF is capable of lowering your transmissions operating temperature a full 30-50 degrees and in most cases just a 20 degree drop is more than sufficient.

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