I have to echo what Larry Bible brings up, the whole point of preventative maitenance is to check the ENTIRE vehicle out on a periodic basis not just change the oil. I, like Larry use the routine oil change to survey the underside of the car that way I can catch any problems before they cause any trouble. Ofcourse I have a lift so raising the car is no problem. Just my .02.

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Keith Schuster
2006 E350 98K miles
2013 Ford Explorer 15K miles