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[longman]

Just taken my radiator out of my new (old) 4lt auto yj. It kept springing a leak every time I used the kickdown on the auto box, then it would self seal. It is in need of a new one. Are the two oil feed pipes that enter the bottom section of the rad. from the auto box. (for cooling) and if so, why not fit a proper little  5 row cooler ?

[isle of man]

yes..........makes perfect sense to me, but what one?
http://http://www.derale.com/oil-cooler.html

[Dave69]

if they are the same construction as the xj then on the right hand side there is an oil cooler in the rad itself, this may sound odd but it is a very efficient way of cooling oil and still maintaining a balanced temperature to the engine.
 yes you can replace it with an air to oil cooler but you will then have to find a location and what size.



addition

if you go down the seperate air to oil cooler let me know what you want as i have a reasonable selection of (NOS mocal coolers) for a fraction of the cost of a mocal cooler bought from a shop.

[longman]

Thanks dave and isle of man, I think i'll leave it as is. But is it an engine or auto g/box oil cooler. The fluid that I got all in my hair was very clean and looked like Dexron 2 auto oil ! I'm having the rad. re-cored by the way.

[Mike Pavelin]

It's a transmission cooler.

[longman]

Thanks Mike, I guest it must be !

[Dave69]

yep transmission cooler the fittings to the rad are a push on and lock fitting. a bit like the speed fit for plastic plumbing pipes. they are a pain to remove of the rad

[Bubba]

you done have a 999 auto then