How Much Fluid Will Run Out When Installing Transmission Cooler on 2008 Toyota 4Runner

Question

Question:

Im adding an aux trans cooler to my 2008 4runner. It has a cooler in the radiator that I will be connecting to. When I pull the hose off of the radiator fitting how much atf fluid will run out, and how to I handle it? Thanks

asked by: Mark

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Expert Reply:

When adding a transmission cooler like the Derale Series 8000 Plate-Fin Kit, # D13503, to your 2008 Toyota 4Runner, the amount of fluid that you will lose is going to depend on the location of your return line. If the return line is located where gravity would force the fluid out, I recommend plugging the hole with a rag once you pull the line and have a bucket or pan to catch any excess.

Even if you do not lose any fluid during installation, you will be increasing the capacity of the system so additional transmission fluid will be needed. The amount will vary but typically about a 1/2 pint to a quart will be needed.

expert reply by: Leah S

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Answer 1

The Jayco Jay Feather X213's gross vehicle weight rating (GVWR), the most it can weigh when loaded, is indeed 5500-lbs. According to the online owner's manual for the 2015 4Runner the vehicle's maximum allowable trailer weight is 5000-lbs…

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Answer 2

The main benefit a Remote Cooler with Fan #D12743 has over the Derale #D13503 is constant airflow being pulled through the fan. This helps if you spend a lot of time is more stop and go traffic or driving at slow speeds. Being able to pull the air…

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Answer 3

The best transmission cooler for your 2021 Toyota 4Runner is going to be the Derale Series 8000 Plate-Fin Transmission Cooler Kit w/Barb Inlets - Class III - Efficient item #D13503. The radiator-style, plate-and-fin heat exchanger provides increased…

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Answer 4

The only way to prevent the possibility of the vehicle's transmission fluid mixing with the vehicle's radiator fluid would involve routing the transmission fluid away from the radiator to an aftermarket cooler. Usually the manufacturer will…

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Answer 5

The Derale Series 8000 Plate-Fin Transmission Cooler Kit, item #D13501, is a Class II efficient transmission cooler and would definitely help the transmission on your JK, but since you are towing 2,000 pounds I would recommend a bit larger Class III…

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Answer 6

The difference between the plate and fin style, #D13504, and the tube and fin style cooler, #D12904, is that the plate and fin models can cool better than the tube and fin models. You will notice that plate and fin coolers with the same rating as…

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Answer 7

The #84 spindle is just a common way to identify the spindle dimensions typically used for 3,500 lb axles. So instead of listing out the parts, people can just say they have #84 spindles and it's easier to know what fits it. The CE Smith Trailer…

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Answer 8

Hi Ethan; I'm sorry to say the Locking Endcaps for Vortex Aero Crossbars #RRVA-LEC4 do not fit the Sportz bars. Rhino-Rack does not have an option for locks that fit these crossbars at this time.

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Answer 9

Hey Rick, I wish I could say yes a Thule locking hitch pin would work with your Rhino Rack T-Load part #RTL002 but they are different sizes. The good news is the T-Load comes with a lock for the hitch pin so you won't need anything else.

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How Much Fluid Will Run Out When Installing Transmission Cooler on 2008 Toyota 4Runner

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