Does any one know where the radiator drain is now on some of the new auto's, cant seem to locate it on my '03 Envoy, its got close to 115 K on it and been giving a SES light, cant recall the code number, but guy at Advance seems to think the coolant is reaching it life and needs to be changed, made sense to me, but now, how to drain the raditor, cant seem to find the petcock like on the older ones, is it still there, or thanks to our wonderfull goverment regs. they had to remove it so the average Joe cant do his on minor work. Anyone got any ideas on how to drain it.
Thanks