What's your preventative maintenance routine ?

[chefwong]

I do change the oil with the seasons (turkey day and also in March) which is the same time I swap winter/summer tars. Also do the usual coolant topping off as the X tends to just drink a bit too much.

I have another 3K before I hit the 30K mile mark. I'm thinking about doing a coolant, differential and ps flush. Coolant seems to be just fine though as on my last oil change, when I sent it in for a UOA, I also sent a little the coolant in for a UOA and the report came back just fine.

So what fluids have ya'll done ?