Saturn Astra 5 speed hard to shift - too notchy. on 2008 Saturn Astra

Tried to adjust but performed this incorrectly and had to take the car to the Chevy dealer. This was a mistake as they could not understand how to do the adjustment (needed national tech help). Very expensive and the car is not working correctly. It is now resistant to gear changes in every gear. Dealer wants to replace the entire linkage for a charge of $800 which I don't agree with. Car has 41000 miles. Do you know if this linkage has bushing connecting it? As this is a Saturn version of an Opel, I, always, have to explain the car for any service so I want to know more about the linkage.

Asked by for the 2008 Saturn Astra
is this a clutch you are talking about. if so their are two kinds of clutch hydraulic and cable. cable is adjustable. hydraulic is adjusted by shimming the flywheel.