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.
What is the normal operating temperature of a transmission?
Normal operating temperature for an automatic transmission is about the same as the engine temperature, i.e., about 195°F. The temperature inside the torque converter, while pulling a big load from a standing start, could easily rise above 350°F. Fluid breakdown often results in harsh shifting and slip-bump concerns.
What temp is too high for transmission?
Fluid Life Expectancy vs Temperature
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 should my transmission temp be before driving?
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. The fluid can also fail to lubricate parts when it is too cold, wearing parts down unnecessarily.
What is a low transmission temperature?
Ideally, the fluid temperature in the automatic transmission would range from 170 to 225 degrees Fahrenheit. If the transmission is slipping or you are pushing the vehicle hard, the temperature could rise above 240 degrees. However, with every 20-degree drop, your transmission remains better protected.
How do I cool down my transmission?
Allowing the car to idle in neutral, while sitting at red lights, in congested traffic or at rail road tracks, reduces the strain on the transmission, allowing the transmission to cool.
What makes a transmission hot?
An overheating transmission usually means there is already some sort of internal damage or a transmission fluid issue, such as a leak, low fluid level or just old/dirty fluid running through the system. It can also happen with too much transmission fluid, which causes excess pressure within the transmission.
How do I know if my transmission is overheating?
Is My Transmission Overheating?
- A sudden experience of a burning odor inside and outside the vehicle.
- The gears “slipping” when accelerating or decelerating.
- A feeling of hesitation or delayed gear shift when you are driving.
- Any grinding or shaking sensation that occurs while accelerating or while idling.
What is too hot for an Allison transmission?
Temperatures from 230-240 have been reached with no damage to the transmission. If you are seeing temps above 225 degrees on a regular basis you should check your fluid level. Fluid levels to high may cause excessive temperature. … These transmissions will run from 200-230 in the summer months when towing in hilly areas.
Is 180 too hot for a transmission?
So, this manual indicates that the normal automatic transmission oil temperature range is 180F – 200F. If you have a temperature gauge on your transmission oil and find that it exceeds those numbers you should be adding an extra transmission oil cooler to your vehicle.
Does idling warm up transmission?
There really isn’t a reason to warm it up, unless you are in extreme sub-zero temps. Letting the engine idle for a couple minutes should do the trick (that is even a hot debate). If you are experiencing trouble shifting when the trans is cold, it could be an indication of upcoming issues, so get it checked out.
What temperature is too cold for transmission fluid?
The ideal temperature for your transmission fluid is 175 degrees, plus or minus 25 degrees, however, when your transmission gets below zero degrees, it gets too thick. In this condition, it won’t be able to properly lubricate the internal parts, wearing the transmissions internal parts.
What are the signs of low transmission fluid?
Signs of Low Transmission Fluid
- Noises. If your transmission is working properly, you shouldn’t hear any noise while you’re driving as it should transition smoothly. …
- Burning Smell. Any foul smell coming from your car should direct you to your nearest service center. …
- Transmission Leaks. …
- Slipping Gears.
What is normal transmission temperature in Celsius?
A question that gets asked the alot is what is the best temperature my automatic transmission should operate at? Most late model vehicles operate at 90°C – 95°C which is quite normal and what the transmission control module will operate its smoothest shift strategy.