How do I keep my transmission cool while towing?

Adding a simple auxiliary cooler inline with the factory unit can nearly double the life of transmission fluid, keeping your gearbox happy and healthy for a long time. Also helpful are aftermarket aluminum pans. Their added fluid capacity and finned heat-sink design provide additional cooling as well.

How do you keep a transmission from overheating when towing?

If you tow or haul heavy loads, consider getting a transmission cooler. A transmission cooler provides extra cooling power to your car’s cooling system, assisting it in preventing the many hot, running systems in the engine from overheating. The best transmission cooler is a stack plate cooler.

Do you need a transmission cooler when towing?

Transmission Coolers help transmissions deal with the added stress and heat caused by towing boats, trailers and other heavy objects. … For the same reason, the addition of an auxiliary transmission fluid cooler isn’t just necessary for those who tow trailers anymore.

How do you cool down a 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.

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How do I keep my transmission cool when towing uphill?

If the temperature climbs too high, pull off the road to a safe place and stop. Once you have stopped, don’t turn the engine off. Shift to park or neutral and let the engine cool while idling. You can increase the engine RPM slightly to cool faster.

How do I know if I need a transmission cooler?

Your vehicle’s gross vehicle weight rating (GVWR) is key to determining what kind of transmission cooler you need. As is the type of terrain over which you usually drive. Hilly and rocky terrain might require more of a heavy-duty transmission cooler.

Can you use a radiator as a transmission cooler?

In terms of transmission operating temperatures keeping the fluid 200 degrees or less is preferred for long life — for every 20-degree increase in temperature above that, the life of the fluid is cut in half. … When it comes to cooling a transmission we never use radiators with built-in transmission coolers.

Do transmissions have coolers?

In almost all vehicles with an automatic transmission there is a transmission cooler placed inside the radiator. Most standard transmissions do not make as much heat and therefore do not have a cooler.

What makes a transmission overheat?

Low fluid levels or old transmission fluid causes friction between the parts and causes overheating. Fluid problems are the most common reason for transmissions overheating.

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.

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How does a transmission oil cooler work?

How Does a Transmission Cooler Work? Fluid heated by the transmission, engine, or power steering pump flows to the cooler. Air flowing over the fins of the cooler carries away heat and cools the fluid flowing within the fins. The cooled fluid is routed back through the transmission via the return line.

What gear should you drive in when towing?

Towing: With both gas and diesel vehicles, low gear delivers more engine power, which is ideal when towing a trailer, boat, or another vehicle. You should always check your owner’s manual to find out what the speed limit is for low gear, as exceeding the limit can cause damage to both the engine and the transmission.

Why does my truck overheat when towing?

Both excessive coolant flow and suboptimal coolant flow can cause the engine to overheat and can drastically diminish the engine’s efficiency. … If your engine stalls due to overheating, ask a towing provider to get you to the nearest auto shop to replace the thermostat.

What gear should you be in when towing a trailer?

While going up and down hills, shift into a lower gear early. Even if you have an automatic transmission, it should allow you to manually shift. Getting into a lower gear will help keep the speed up while going uphill and provide engine braking while going down.