engine problems......i think

[nsane]

my car seems to take a long time to get in first gear.let me explain when i start my car and put in drive the engine seems to rev up at the normal rpms but the speed doesn't start till a little later.i have a friend that a retired auto mechanic that says it might be the vaccum modulator could he be right.i hope some1 here can help me already had some gaskets replaced but problem presist

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Have you checked the fluid level, or if you have the "sealed" transmission on the newer grand ams, have you added some fluid? Sounds like low fluid to me.