Which line is the return line on a Turbo 400 transmission?

Which transmission line is the return?

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.

Which line is the pressure line on a Turbo 400?

Registered. bottom to bottom, top to top with a th400,350, 700.. the pressure or bottom port on the trans goes to bottom inlet on the vertical cooler,, in the bottom out the top or it will trap air in the cooler..

Which transmission cooler line is which?

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

Does it matter which transmission cooler line goes where?

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.

What happens if you hook up transmission lines 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.

IMPORTANT:  Question: How long should I let my engine cool before changing spark plugs?

Which line is the return line on a Turbo 350 transmission?

On a GM Turbo 350 transmission the bottom line is the return line and the one to install a transmission cooler on. The top one is the send line.

Which transmission line is return on a 4L60E?

Trans Cooler Return Line Chart

Transmission Location
4L60E Top
4L80E Lower front
4T40E Lower
4T60E, 4T65E Horizontal case fitting

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.

Are transmission cooler lines directional?

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

Why do transmission lines go to radiator?

Car transmission lines connect your vehicle’s transmission to the vehicle’s radiator. … Your car’s transmission lines are essential to preventing the transmission from overheating by carrying hot fluid away from the transmission until it is cooled and subsequently pumped back into the transmission.