How do I know what size transmission cooler I need?

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.

Can you have too big of a transmission cooler?

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 .

Are transmission coolers Universal?

Any cooler can be used on any vehicle with an automatic transmission, provided that it will fit in the location where the customer wants to install it. Year-make-model fittings are available for some vehicles to make it easier to install the coolers.

What size should transmission cooler lines be?

If possible , use a 3/8″ line . If that is too much trouble , use the factory 5/16″ lines. Larger lines will have less restriction over its length than the smaller lines.

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What are the different classes of transmission coolers?

There are four different types of transmission coolers; tube and fin coolers, plate and fin, stacked plate, and heat sink transmission coolers. Each of which has their own set of benefits compared to the others.

Can you over cool a transmission?

Yes, over cooling transmission fluid may cause some issues such as gelling up and restricting flow through the cooler lines and cooler itself, but this isn’t too common. This may occur when temperatures are consistently below freezing.

Is a transmission cooler necessary?

For every 20F degree drop in transmission fluid temperature, you can expect to extend the fluid and equipment life, thereby extending the life of the vehicle. That’s why it is very important to have a quality transmission cooler, and more importantly, to have it professionally installed.

Can I use copper tubing for transmission lines?

Copper will work fine. There is no problem with dissimilar metals at the fittings either…but if worried just use brass fittings. , copper is often used to replace corroded fuel and transmission lines. NOT on brake lines though as North American copper tube isn’t rated for the line pressure.

How much does it cost to fit a transmission cooler?

Depending on the cooler you purchase and your lines, you can spend as little as $20 extra to install a cooler, or in some cases, as much as $150 or more.

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.

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Can I use rubber hose for transmission cooling lines?

You can use rubber hose, but make sure it’s transmission cooler line rated. The pressure is quite low (12-15 psi). Double clamp it or use FI type clamps instead of the worm-drive style.