Where is cap on 2002 Pontiac Grand Am radiator?

The radiator cap on a 2002 Pontiac Grand Am is located at the top of the radiator, usually near the front center of the engine bay. It's often a pressure cap and will be somewhat obvious; it's typically black plastic with a noticeable top. However, to be absolutely sure, consult your owner's manual. The diagrams and specific locations it provides will eliminate any guesswork.