I am planning on doing a little tune up on the truck today. 2002 Seirra SLT, with the 5.3l.
Other then plugs, wires, and an air filter. What else should I do?
Thanks.
![](http://img.photobucket.com/albums/v331/gutty96/f0ab1de2.jpg)
**there is only one true love in my life... and my girlfriend has learned to live with it**
6 inch body lift and 35" super swampers.
I always do the fuel filter and PCV valve, too.
-John
sell it and give me all the money.