The 2002 gmc sonoma uses the highly recommended valvoline conventional transmission fluid, in the 1 quart containers that can be found at most automotive parts and accessories locations around the united states. it uses dexron vi or atf 4 fluid. this vehicle has a tranny fluid capacity of up to 5.0 quarts. you can expect to pay between $ 8 and $ 43 per container, depending on quantity and brand. if you choose to have the fluid replaced by a professional mechanic or an automotive service technician, you can expect to pay an additional $ 40 to $ 98 for labor. the reservoir can be located to the left of the transmission, on the passenger side of the engine bay, and is topped with a cap that will need to be removed to pour new fluid in.
The 2002 gmc sonoma uses a dexron vi atf.