Kanter shows overhaul kits for $700-$1100 for your year 235. Thats basic to deluxe (more part=more money) with lifetime warranty. Labor should be at least that much more. This is a heck of a long URL but it'll take you right to the page. No matter what you do it won't be cheap.
http://www.kanter.com/p03-eok.html?...sid=9f35205b-4dfa-434f-83fd-e862d94ed52c

Save a life, adopt a senior shelter pet.
The three main causes of blindness: Cataracts, Politics, Religion.
Name your dog Naked so you can walk Naked in the park.