Your question: How hot do transmission cooler lines get?

Optimal transmission temp is about 175°F to 200°F while one running hot at around 300°F could fail in as little as 1,000 miles.

Can I use rubber hose for transmission cooler 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.

Can you use heater hose for transmission line?

Beside this, can you use heater hose for transmission line? YES, there is a difference. Do NOT use heater hose. I went to NAPA, and got some bulk (cut by the foot) red hose that is made to carry oil and trans fluid.

Which transmission line goes to the top of the radiator?

The line that spews trans fluid all over the place is the one that goes to the TOP fitting on the radiator. Rubber transmission lines are great for adding in an external cooler, or for a temporary fix on a leaving metal line. The upper line is the return to the transmission.

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Will bad transmission cooler make it run hot?

Your engine is running hot or overheats: If you are have a bad transmission cooler, the symptoms may spread to your engine, as well. All of that transmission-related heat and drag can make it more difficult for your engine to run properly, and its temperature can also rise as a result.

Can you repair transmission cooler lines?

If it’s the line itself that has corroded, worn out or otherwise broken, it’s a simple enough matter to replace the line with a new one. Sites like Autozone have a wide variety of transmission cooling line assemblies you can buy. Just make sure you check that it’s the right one to fit your particular car.

Are transmission cooler lines high pressure?

there is at idle between 20-50 psi but during use pressures in transmission lines can reach 100 psi or more. if you are going to use rubber lines be sure to use barbed fittings so the hose does not blow off. Cooler and lube pressure are about the same at 5-30 psi.

Can you splice transmission cooler lines?

Yep you should be OK, just make sure the clamps are tight and the hose isn’t kinked. FWIW I’m using about 1-2 feet on each of my cooler lines near the transmission linking them to the original metal AOD cooler lines, then have the metal lines linked again with rubber hose at the cooler from the radiator.

Can I replace steel transmission cooler lines with rubber?

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.

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What happens if you reverse transmission lines?

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.

Are transmission coolers directional?

Can Transmission Fluid Flow Through Either Direction on a Transmission Cooler. … The cooler can have fluid flow in either direction through it.

How do you know transmission return line?

How to Identify Transmission Fluid Return Line for Installing Supplemental Cooler The surest way to find the return line in a transmission cooler system is simply to run the cold engine for about 15-seconds while it is in gear. Then immediately feel the two transmission lines.

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