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 .

Is a bigger transmission cooler better?

The larger the cooler, the better it will be at lowering fluid temperature. The plate and fin and the stacked plate coolers offer a larger surface area to cool transmission fluid faster and better, which is why they are so popular.

Can you over cool a transmission?

Heat is a huge cause of transmission failures but running too cool is bad also. Just as an engine has to run hot enough the trans has to run hot enough to get rid of any condensation that builds up inside and to keep the viscosity at the correct level for best operation.

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.

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Can you run 2 transmission coolers?

We Keep Our Transmission Chilled With Not One, But Two Derale Coolers. … There’s a direct link between a transmission’s temperature and its lifespan: a transmission that gets too hot will absolutely fail more quickly than one that stays within a normal operating temp.

How do I know what size transmission cooler I need?

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! Based on the transmission cooler GVW chart shown below, the optimal transmission cooler should be at least 20,000 depending on the tow capacity.

Is a transmission cooler worth it?

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 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.

Should transmission cooler be before or after radiator?

Should the cooler be installed before or after the radiator? Answer: We recommend installing the auxiliary cooler after the radiator to return the coolest fluid directly to the transmission.

How do I know if my transmission cooler is bad?

Bad or Clogged Transmission Cooler Symptoms

  1. Transmission Fluid Leak. The most common symptom of a bad transmission cooler is when a leak occurs. …
  2. Poor Performance. …
  3. Strange Transmission Noises. …
  4. Increased Temperature. …
  5. Dashboard Warning Light.
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Does a transmission cooler increase towing capacity?

A transmission cooler will help the transmission run cooler and last longer while towing a trailer. However, it does not increase towing capacity of your towing setup, It can make a difference in the life of your transmission.

How much does it cost to install transmission cooler?

As a DIY project, you’ll pay between $30 and $60 for the oil cooler and spend 1 1/2 to 2 hours on installation. You can have a local transmission shop install a transmission oil cooler in your vehicle. Expect to pay between $150 and $250 for the job.

What are the different classes of transmission coolers?

3 Types of Transmission Coolers

The 3 most common kinds of coolers are: tube and fin, plate and fin and stacked plate. Each offers a different combination of effectiveness and durability. Some coolers also come with built-in fans that provide additional cooling ability.

Do all vehicles have a transmission cooler?

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.