Transmission flow

[Robby Shutts]

I have a 2013 Silverado with 4l60e it has the in radiator transmission cooler I'm trying to figure out the flow of it is the top line on the radiator the hot or is it the cool

[richard wysong]

Top should be in ,bottom out

[dna9656]

On 4/20/2025 at 8:16 AM, Robby Shutts said:

I have a 2013 Silverado with 4l60e it has the in radiator transmission cooler I'm trying to figure out the flow of it is the top line on the radiator the hot or is it the cool

Take loose a line, set a catchment up that will catch any fluid that may come out pull the fuel pump fuse/breaker and have some one crank the engine while you watch the hose, if you get flow you found the pressure side. 

[Robby Shutts]

31 minutes ago, dna9656 said:

Take loose a line, set a catchment up that will catch any fluid that may come out pull the fuel pump fuse/breaker and have some one crank the engine while you watch the hose, if you get flow you found the pressure side. 

Good idea ty