When you are towing, your transmission fluid can certainly get warm. Because of this, you need a large transmission cooler to handle the added heat. … Transmission coolers are rated by their gross vehicle weight or GVW, and this can go from as little as 10,000, all the way up to 40,000 or more!
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.
Does a transmission cooler really help?
It is a flow-through device and does not affect any internal components of the transmission. A transmission cooler will just help to prolong the life of the transmission by keeping the fluid cooler. Transmission fluid cannot be cooled too much, so the addition of a cooler is a good idea, especially if you are towing.
What should my transmission temperature be when towing?
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.
Do all vehicles have transmission coolers?
While all automatic transmission equipped vehicles have a transmission cooler in their radiator, this might sometimes not be enough to properly cool your transmission fluid.
Can towing a trailer damage a transmission?
While you may not think much of it, towing, even for short distances, can do significant damage to your vehicle’s transmission. … In fact, as long as you maintain your vehicle and do not commit common towing errors, you can ensure you do not cause any costly damage to your transmission.
Does towing damage an automatic transmission?
If the car is being towed on the non-driving wheels, automatic transmissions should be fine. If that isn’t possible, and the car needs to be towed with the driving wheels, there could be issues. This type of towing should be done slower than normal and only for short distances.
How do you know if your transmission cooler is bad?
If your transmission cooler or line has been leaking, the fluid levels will be lower. … This is the most noticeable signs of low transmission fluid Transmission fluid levels are critical when it comes to how your car shifts. Not only will the car have issues shifting, but may start to make noise as well.
How do you know if you need a transmission cooler?
You hear odd noises coming from the transmission: Your transmission may have difficulty shifting between gears, or there may be clunking or grinding noises during shifts. This can indicate transmission fluid loss, high internal transmission temperatures, or both, which can be caused by a bad transmission cooler.
Can a transmission cooler be too big?
Too big could be a concern if mounted in the front of the rad creating a loss of air flow to keep the engine cooled . Years ago , GM released a TSB about overcooling the transmission in cold climates . Transmission fluid would actually turn to somewhat of a gel .
What do I do if my transmission is overheating?
What to do when your transmission is overheating:
- Stop driving immediately and let your transmission cool down.
- Make a note of what you were doing, where you are, what’s happening (noises, etc.)
- After cooling down, start back up & gingerly continue on your way.
Can a bad thermostat cause transmission problems?
If the thermostat is stuck open
Temperature gauge reads lower than normal. Heater doesn’t work. Automatic transmission has trouble shifting into higher gears. Fuel economy drops noticeably.
Is it OK to slightly overfill transmission fluid?
A slightly overfilled gearbox will not be damaged if quantities such as 0.3 litres/0.3 quarts are involved. If you overfill your transmission with one liter or more above the max mark, your transmission could be damaged. Transmission fluid performs several functions in your vehicle.
How do I choose a transmission cooler?
Before selecting a transmission cooler, you need to know the GVWR for your particular car. The GVWR number can range from 10,000 to more than 30,000 pounds, and a higher number indicates that your car uses more fluid and needs a higher efficiency cooler.
Does my Silverado have a transmission cooler?
One of the common questions that owners ask is does my Silverado have a transmission cooler? Yes, all Sierras and SIlverados do have a transmission cooler, and depending on the years, there can be an external cooler in addition to the factory cooler within the radiator.
Can I run two transmission coolers together?
as for routing, just run them all in line with each other. say you are keeping the radiator cooler, take the outlet of that cooler and hook it to the inlet of the new trans cooler, take the outlet of that cooler and hook it to the inlet of the next trans cooler and then back to the transmission.