Quote Originally Posted by jay View Post
Ok i have an 2006 LT and it has an auto trans since i bought the car with no knowledge of it's past history i have been slowly doing all the maint repairs that need to be done (timing belt job valve cover gasket plugs wires ect ) the one thing i am not sure of is the trans fluid. i think i need to change it or at least replace the filter and some of the fluid but the fluid is the issue the book lists some crazy gm product but is there an equivlent i can pick up at the local parts store ?
Refer to this thread (click here) and also click on the link within it for a very full discussion on the topic.

Seeing that the car is 6 years old and it probably has considerable mileage on it, I'd drop the pan and change the filter and fluid. If the fluid looks anything less than red, I'd keep draining and changing the fluid several times per year until the fluid looks healthy.