how much does cost to replace rack & pinion, on my 89 vw cabriolet on 1990 Volkswagen Cabriolet

have replaced ball joints, tie rods, etc. but racy is still leaking, found a good new rack on line but never replaced one,i am trying to rebiuld front end like new, how much work is replaceing power rack ?

Asked by for the 1990 Volkswagen Cabriolet
it would cost you about 3 hrs labor
thank u bout rack & pinion, put new ball joints back on control arms , but having problem getting joints back in knuckle, any ideas,