Hi,

 

The radiator on my '93 JDM TT has got a fracture in it. While in the process of replacing this there are a few things i would like to know:

 

Are the rads on the manual and auto the same? I am aware that the auto box has to be cooled but does it use a separate radiator, or is it built into one for the autos?

 

Second, my viscous fan is broken, it is engaged all the time. Is there an easy fix with this, or is it worth removing and replacing with electric fans, or simply replacing with a new viscous coupling?

 

Thank-you in advance

 

Chris

As I understand it, the rads are different and not interchangeable, but I am not 100%

 

As for the viscous coupling? I would always go with it, so long as it is working correctly as opposed to an electric unit.

As for a fix? they are prone to the small shaft sticking due to corrosion etc'. I would try a little WD40 sprayed into the shaft to see if it free's it up.

If you do try and free it by hand, be very careful as the vane valve is very delicate, don't over rotate it.

standard auto radiator has a heat-exchanger built in, but you can use a manual (or aftermarket) radiator and use an external cooler for the transmission.

 

replacing viscous fan with one or more electric fans is a big no-no on these cars.

 

A broken coupler can not be fixed or rebuilt (afaik), so you'll have to purchase a new viscous coupler.

It will be cheaper and far more effective then an electric fan set up.

standard auto radiator has a heat-exchanger built in, but you can use a manual (or aftermarket) radiator and use an external cooler for the transmission.

 

replacing viscous fan with one or more electric fans is a big no-no on these cars.

 

A broken coupler can not be fixed or rebuilt (afaik), so you'll have to purchase a new viscous coupler.

It will be cheaper and far more effective then an electric fan set up.

 

Yup - this....:cool:

I did a little write up on mine...

link here for the .pdf file