tranny fluid and filter, rear diff, transfer case and front diff if u have 4wd, cabin air filter (if equipped), 3 to 4 times a year check ur battery connections and cables for good connection and corrosion (what i do anyway), pcv valve, lube all zert fittings on ur front suspension, and sea foam it around once a year through ur intake..... should just be about it.... also another thins to check for... when u get gas flip it upside down where ur lookin at the bottom of it.. u will see a hole in the middle.. take a pen and light poke it in the hole a couple times... that a pressure vent... i just had my cats replaced last week and i had a p0446 code or somethin like that... if the first depression of that valve is stiffer than the rest u may wanna consider replacin the cap or u may end up getting the code i did.... plus caps are cheep but make sure u get one from the dealer. just thought i would throw that in there since we are now in our hot months of the year.... oh and another note.. make sure all hose clamps on ur intake tube and radiator hoses are nice and tight
