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With the clutch pedal going to the floor it indicates the hydrolic line from the clutch master cylinder to the slave cylinder has a hole in it.When you push the clutch pedal on a car this new it operates like the brake pedal.If you had a hole in a brake line when you hit the brakes the pedal will travel to the floor.If you entire transmission were shot you would hear all kinds of noise and it would not affect the clutch pedal.Here is a picture of the basic clutch setup in your car.
See Figures 1 and 2
Fig. 1: Bleeding the hydraulic clutch at the clutch damper