How to Determine Which Transmission Line is the Return Line on a Vehicle for Installing Cooler

Question

Question:

what line is the return line on 2000 dodge Dakota on trans top or bottom

asked by: Al

1

Helpful Expert Reply:

An easy way to tell which of your transmission fluid lines is the return line is to wait for the truck to be cold, then start it up and shift into drive for about 15 seconds and apply a bit of throttle with the brake firmly applied. Then put it back in park and turn off the truck. Then under the truck carefully touch the transmission lines. One will be noticeably warmer. So that makes the cooler one the return line.

expert reply by: Jameson C

1

Answer 1

The method we use to determine the correct line to install a transmission cooler on is pretty simple. You want to install the cooler on the return line. To determine which line is the return line you will want to start with your truck totally cooled…

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Answer 2

The sleeve nut and the sandwich adapter are actually two separate pieces. It is possible that the adapter is loose enough to turn, but the nut is staying in place. Try using some channel lock pliers (put a rag around adapter so you do not damage it)…

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Answer 3

Technically, a trailer rated for 10,000 lbs can have 5 lug hubs. They are most common on 3,500 lb axles but can be used on the rare 4,000 lb axles as well. You could have a gooseneck or 5th wheel trailer with the 10,000 lb capacity and tandem axle 5…

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Answer 4

I do have a few easier options for you to determine the weight capacity of an axle other than using the bolt pattern or the number of lug nuts. The problem with using the bolt pattern to tell the axle capacity is that an axle may have the a bolt…

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Answer 5

The Derale Stacked-Plate Engine Oil Cooler, #D15604, that you mentioned would be a good addition to help cool the engine oil in your 1970 Cuda. An oil cooler like #D15604 should provide you with a drop in your water temperatures. Most likely it would…

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Answer 6

In order to determine the torque rating for the lug nuts on your trailer you will need to know check out the chart I attached that shows all of the torque specs for all the trailer lugs available based on stud size, wheel material and wheel size.

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Answer 7

The difference between the Class II and Class III hitches has to do with their Gross Trailer Weight (GTW), their Tongue Weight (TW), and their Hitch Receiver Size. Class II trailer hitch receivers have a 1-1/4 inch receiver and can be rated up to…

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Answer 8

To determine the size of the brake assemblies you need you have to measure the depth and width of the hub drum on the axle like what you see in the picture I attached. The most common size is 2-1/4 inch wide like the #T4071600-500 that you…

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Answer 9

It sounds like you are speaking of the wires for the brake magnets. If this is correct, you will need to connect one of the wires to the brake controller output wire on your trailer connector and the other wire will need to be grounded to a clean…

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Answer 10

Hey Robert, yes the Kodiak disc brake calipers part #KDBC225DAC that you referenced will replace the Tie Down calipers you have now 46304, they can be used as a left or right hand caliper and does come with ceramic brake pads. If you ever needed…

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How to Determine Which Transmission Line is the Return Line on a Vehicle for Installing Cooler

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