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Question:

How to hook up a transmission intercooler?

96 jetta, just told bad ideato try to run two radiators.Either way, it is a 5 speedand I would LIKE to havea transmission intercooler.How does it hook up??

Answer:

You don't need a transmission cooler for a 5-speed. The oil in a manual transmission doesn't get hot enough to require cooling.
If the car is a 5 speed automatic you can add a transmission fluid cooler by cutting into the low pressure line that runs to the radiator and put the secondary cooler in front of the radiator to cool the fluid better. It is not called an intercooler though. If it is a manual transmission there is no fluid line to cut into on any manual that I have ever worked on but I don't work on Volkwagen's very often. Hope I have been helpful.
There's no way to pull this off. With common additional automatic transmission coolers there is a pump inside the transmission to to move the fluid along the lines, hoses and cooler. A standard transmission would require an electric or mechanical pump to transfer the transmission oil. The NASCAR boys have rear end coolers with a mechanical belt / pulley driven pump off the rear end yoke. You couldn't adapt the same principal to a front wheel driven car. In the mean time the best alternitive would be to drain the transmission oil and substitute it with an approved formulation of full synthetic oil for your transmission.

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