<strong>Yahoo Message Number: 12077</strong>Received my 3 year supply from Pacbrake, 4 oz in each bottle. Made by Synco for Packbrake. In one of the posts someone suggested WD-40. <br/>That might be last chemical to use. It is more of a cleaner than a lubricate. It also attacts dirt. Crawled under my coach and changed the air filter, original had not been changed in close to 40,000 miles....