Which transmission cooler line is the return?

The cooler of the two lines is the return line and the one to install the transmission cooler on.

Which line is the return line on a 4l60e transmission?

The 4l60e top port is the return line, the bottom port is the pressure line. The bottom pressure port on the tranny should be hooked to the top port on your radiator. The bottom port on your radiator is the return and should be hooked to the top port on your tranny.

Do transmission coolers have a flow direction?

Can Transmission Fluid Flow Through Either Direction on a Transmission Cooler. 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.

Which line is the return line on a C4 transmission?

Expert Reply: The rear line is the return line on a C4 transmission like what you have in your 1983 Ford Mustang. This would the line that you would install the transmission cooler on.

Which line is return on 4l80e?

Early model return line is in the lower front. bell housing is 1 inch (See figure 5).

Does it matter which way you mount a transmission cooler?

Expert Reply: The Derale stacked plate transmission coolers like part # D13403 can be mounted in any orientation that you need including having the hose fittings down. The line pressure from the transmission will push all of the fluid through the cooler regardless of how it is mounted.

Should transmission cooler be before or after radiator?

Answer: We recommend installing the auxiliary cooler after the radiator to return the coolest fluid directly to the transmission. Installing the cooler before the radiator will still provide additional cooling and may be necessary in some difficult-to-access applications.

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.

What transmission line goes to the radiator?

How Car Transmission Lines Work. 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.

Which transmission cooler line goes to the top of the radiator?

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.

Can I mount transmission cooler upside down?

Do Transmission Coolers Have to Install Right Side Up Or Can they be Upside Down. Expert Reply: The Derale stacked plate transmission coolers like part # D13403 can be mounted in any orientation that you need including having the hose fittings down.

What is too cold for a transmission?

The ideal temperature for your transmission fluid is 175 degrees, plus or minus 25 degrees, however, when your transmission gets below zero degrees, it gets too thick. In this condition, it won’t be able to properly lubricate the internal parts, wearing the transmissions internal parts.

How do you calculate return line on a transmission?

Does it matter which way you mount a oil cooler?

Re: Oil coolers – does the orientation (vertical vs. horizontal) matter? fittings up, or sideways is fine if the “in” is the bottom, it can force air out. fittings down is no go as it can potentially trap air.

Is 130 degrees too cold for a transmission?

Expert Reply: The cooler you can keep transmission fluid the better basically. 130-160 degrees is actually really awesome as this means your transmission is going to last a very long time. Honestly 180 isn’t bad either but 130-160 is better if anything.

How do you connect a cooler return line to a transmission?

If you plan to use rubber transmission hose and keep the stock cooler lines, you need to connect the cooler return line to your vehicle’s return line. In most cases you’ll need to make a cut to the factory line and connect the new rubber line to it.

What is a return cooler line on a car?

The return cooler line is attached in a similar fashion completing the cooling loop. The repair or replacement of the tranny cooling lines may seem like a simple matter of removal and replacement but their location in the engine and the interference of other engine parts will be a challenge, especially for the not as skilled DIY mechanic.

What are the different types of transmission cooler lines?

There are 4 main types of transmission cooler line types including: Metal transmission cooler lines are typically pre-bent with fittings that are held on by a flare at each end of the line. This type of transmission cooler line is found on your vehicle from the factory and is typically made from steel.

What does the transmission coolant line do?

It feeds the hydraulic system and pumps fluid out of the transmission via the hot line. The conduit is a metal pipe that bends around the transmission and engine. The configuration will vary depending on the make and model of the vehicle and it terminates with transmission cooler line fittings.