How do you plumb a transmission cooler?

Does it matter which transmission cooler line goes where?

Generally the higher line on the radiator has fluid going INTO the transmission and the lower one goes back to the transmission, so the higher line has fluid coming out of it and the lower line sucks it back into the transmission.

Where do you connect a transmission cooler?

Transmission coolers do not attach to the radiator. They attach in-line with the transmission fluid return line. It is common for an OEM transmission cooler to be built into the radiator tank to be cooled by the coolant in the radiator.

What happens if transmission cooler lines are backwards?

If you had it reversed, the pump would be trying topush fluid through the bottom of the cooler, up through the cooler, out the top into the bottom of the rad, and up through the rad to the top. More weight to push.

Are transmission coolers directional?

The driver side of the radiator based cooler is connected to the front port on the tranny. The rear port on the tranny goes into the secondary cooler which then feeds into the driver side of the radiator based cooler. So, something is backwards.

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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.

Which way do the transmission lines go?

The top hose from the transmission cooler goes to the top pass through nipple to the transmission and the bottom hose from the transmission cooler goes to the bottom pass through nipple into the bottom of the radiator.

How big of a transmission cooler do I need?

You should get the biggest heavy duty transmission cooler that can fit on your car! 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.

What fluid runs through transmission cooler lines?

Hot transmission fluid is pumped from the transmission through a metal line to the cooler, which cools the fluid before returning it to the transmission through another metal line.

Should transmission cooler be before or after radiator?

Expert Reply: The biggest reason that transmission cooler manufacturers and vehicle manufacturers want transmission coolers installed after the factory cooler rather than before it is because the transmission cooler in the radiator is surrounded by the coolant in the radiator.

What happens if you bypass a transmission cooler?

Bypassing your radiator transmission cooler would likely cause the fluid in your transmission to over heat causing premature transmission failure.

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What is an auxiliary transmission cooler?

An auxiliary cooler will keep your transmission running right where it needs to be, ensuring you don’t overheat your transmission. Driving Conditions – If you live somewhere that gets excessively hot or is fairly hilly or mountainous, an auxiliary transmission cooler is a good option for you.

Can you mount a transmission cooler vertical?

Expert Reply: Yes, the core in Derale transmission cooler # D13403 can be mounted so that the lines enter and exit from the side rather than the top. There is enough pressure in the lines to push the fluid through no matter how you choose to mount it!

How does transmission fluid cool down?

Here’s how your transmission stays cool: Whenever your engine is running, the transmission fluid gets pumped into the transmission cooler, which lives inside your car’s radiator. As the transmission fluid passes through the radiator (inside those transmission cooler lines), it essentially gets bathed in coolant.