Question: Does it matter which transmission cooler line goes where?

Trans coolers almost ALWAYS suggest the flow of hot trans fluid, leaves the transmission, and in theory the hot trans fluid should route from the transmission too the lower radiator trans cooler and from there up to the radiator exit and route to the auxillary or added second trans cooler and from there to the trans …

Which transmission line is the inlet?

In most cases, the line from the transmission to the top of the radiator is the hot or inlet line. The lower line near the bottom will be the return line.

Where do the transmission lines go?

Car transmission lines connect your vehicle’s transmission to the vehicle’s radiator. Also known as transmission cooling lines, they are typically made of metal or composite aluminium and rubber hoses because they can handle the flow of hot transmission fluid.

What happens if transmission cooler lines are backwards?

You may want to flush the lines and or cooler- if the lines are backward you could have dislodged some debris and it is working like a check valve.

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Are transmission coolers directional?

Helpful Expert Reply: Either fitting of the Derale Series 8000 Plate-Fin Transmission Cooler Kit # D13504 can be used as the inlet or the outlet. The cooler can have fluid flow in either direction through it.

How do transmission cooler lines connect to radiator?

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.

Can you use rubber hose for transmission line?

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.

What are the different types of transmission lines?

Types of transmission line include parallel line (ladder line, twisted pair), coaxial cable, and planar transmission lines such as stripline and microstrip. The higher the frequency of electromagnetic waves moving through a given cable or medium, the shorter the wavelength of the waves.

What causes transmission cooler lines leak?

Transmission cooling lines leaking means either low-level of fluid or interrupted flow in the transmission. In both cases, the result is an overheated transmission that may stop functioning if the condition persists. Sometimes, it is difficult to spot the leak at the initial stage.

Which way does transmission fluid flow through radiator?

Because that’s where the transmission fluid cooler is located. The hot engine coolant enters the radiator at the top and flows down thru the finned cooling tubes to the bottom tank where the trans cooler is placed so it’s surrounded by “cooler” coolant.

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Is it safe to bypass radiator transmission cooler?

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

Which line is the return line on a 4l80e transmission?

Early model return line is in the lower front.

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.

Does transmission fluid flow through radiator?

All transmissions have a cooling line that runs to the radiator. A separate fluid passage circulates the transmission fluid through a portion of the radiator to cool the fluid.

What fluid is in transmission cooler?

A transmission cooler operates like a heat exchanger mounted adjacent to your car’s radiator. Hot transmission fluid flows through the unit and comes in contact with a series of fins or plates. The resulting heat dissipation cools the liquid as it cycles back into the transmission.