Good. But other than guessing whether it's a clutch/flywheel problem or pedal/bushing or air leak/boost leak- just do a test. - While the car is idling , wiggle the tube. If the engine jerks , it's the tube(air leak). The other more reliable test is depress the pedal with "pedal depressor" so compressor will make boost and spray mix dish-soap+water around the tube. Bubbles will come if the tube is ruptured(boost leak). Sometimes there's leak , only under vacuum and not under boost. But sometimes it's the other way around. - Leak under boost and not under vacuum.
