Ecotec Gen I was reâengineered to be smoother and more efficient than its predecessor. Featuring an dual inâblock balance shafts, powerâsteering pump, waterâpump housing, and removable oil filter housing. This engine replaced the Quadâ4 and GM 122 in North America and first appeared. GM offers an official kit which can be converted into 2.2 supercharged versions using modified ECM software. Model L42 is an CNG version of the Ecotec 2.2, producing 129 hp and 129 ftâ lb. This LSJ was listed as one of Ward's 10 Best Engines in 2006! Sealed transmissions elude fluid access to function like regular transmission systems without requiring fluid changes for maintenance. A sealed transmission has fill and inspection plugs, with the inspection plug removing excess fluid and the fill plug adding fluid. Nobody told me during my tenure in âshop class!â Knorrâs Automotive wants $55Ã to fix an exhaust leak, which is their disastrous mishandling. This situation is only going to get marked by more confusion & errors. Vehicle fires are rare and small leaks in fuel tanks or lines can ignite, in defective vehicles during crashes.