ive been detailing for 20yrs and steemcleen is not as it sounds yes there is a heater and a power washer and degreaser but steem is missleading its hot water and hi presher the only time ive seen steem is in winter cold air hot water . the presher is ohhh 1500-2000 lb thats a lot considering who will do this a kid who dont care about your car will put wand right up to valve cover and blow the whole engine off and there is angle of attack and a cutting force that can do damage to all wires and hoses that will not show up till a later date than the degreaser is not paint friendly and will most likely get all over fenders and stain / dull your paint the silicone or armeral or what ever there gona use as a gloss will work its way into all componets and wreck havek in time not to mention wether or not they do under side of engine most likely not so in my opinion dont do it. do it your self with a hose and a brush and degreser do it softly and right or it could cost you more in long run i dont steemcleen my engine at all its like this when people have noise brakes it when we detailers spray rim cleener or degreaser on rim and power wash it off were also contaminating the brake pads and the end result is noise brakes do you understand what im saying hope this helps detail mgr at dodge