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

Which line is the return line on a Turbo 400?

Top line at the trans, goes to top line at the radiator. This is the return line. Cooler fluid returns to the trans from the cooler through this line.

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.

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 …

What happens if you hook up transmission cooler 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.

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How do you know Transmission return line?

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.

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.

How much does it cost to replace transmission cooling lines?

Like all parts of an engine, transmission cooling lines can wear out. If they break or develop a leak, you will lose transmission fluid, leaving your car vulnerable. Thankfully this is a fairly simple fix, and most transmission line repairs cost between $100 and $500 dollars.

Can a transmission cooler be too big?

Too big could be a concern if mounted in the front of the rad creating a loss of air flow to keep the engine cooled . Years ago , GM released a TSB about overcooling the transmission in cold climates .

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.

Can you hook a transmission lines up backwards?

Re: tranny cooler lines backwards

If the lines go in either the top or the bottom, they can be hooked up any way. If one goes in the top and one in the bottom, make sure the cooler fills from the bottom.

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Are Transmission coolers 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.