Its easy to do, but a little difficult to get to, and also it will drain out much of your tranny fluid.  I am assuming you are referring to the cooler on the auto tranny based on your question...

Two bolts with 17mm heads.  Remove them, watch the fluid drain out, change the o-rings, re-install, refill tranny.

Z

Thomas Boyd <tomaboyd@YAHOO.COM> wrote:
Just had my tranmission oil changed and the mechanic said my oil cooler needs to have the o-rings replaced.

Seems pretty straight forward to me. Since I change my own oil I was going to do it then.

Any reason to believe it is not so simple?

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