8/12/2023 0 Comments Aftermarket transmission cooler![]() ![]() The speedflow 411 series Barb to AN adapters have Never failed me with the ZF6HP coolers kits i make for the falcons and that is with owners mostly fitting them. Don't be scared to use one clamp with the right hose & fitting.Push lock hose or hard wall hose will blow of a regular barb. Transmission Hose is also important as it is designed to work with ATF and also barb fittings.PWR transmission coolers scan be used with out issue as they have a rough raw alloy surface which the hose grips to. ![]() Clamps also need to be good quality i use Wurth clamps and never had one blow yet.Brass Barb fittings are no good unless its has a really good angled barb on the end with a straight shaft section.The ZF Transmission do run hi pressure compared to other transmissions but its not so much to be really worried about if you cover all bases. (This is just a reference point i use it not a pacific ZF flow measure)Īlso this fitting i make may also be suitable if you buy one and it doesn't send it back for a full refund Recommended flow is 1 litre for 15 seconds Bad flow is 1 litre 30 seconds. With a bottle at least 2 litre's or larger to catch the oil count how many seconds it takes to catch at litre 1 litre. With the help of someone have the line off the transmission and start the car in park idle. Now there is a fail safe in the system which allows oil to return to the sump if the cooler blocks or is restricted or some sort of over pressure issue as a back pressure into the pump would cause major issues.Īfter you fit your coolers i recommend doing a flow check as the return line of the transmission. This left over pressure then tracks to the cooler and then back to the transmission and usually it returns to the gear sets as lubrication/Cooling. The way cooling systems work on automatic transmissions is by making use of the exhausted oil left over from the pump once the Regulator valve has sent the corrected pressure to the valve body. Now you can have as many oil coolers as you want but at the end of the day if you restrict the flow of the oil the transmission will over heat. Hi guys i just want to add some information on Transmission Oil Coolers. ![]()
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