I OWN A 1996 BLAZER AND A 1996 JIMMY BUILT BY GENERAL MOTORS BOTH HAVE OIL COOLER LINES THAT HAVE STARTED TO LEAK AT 20.000 MILES AND HAVE TO BE REPLACED EVERY OTHER YEAR AFTER THAT OIL LEAKING ON THE LINES IS PUSHED ON THE EXHAUST MANIFOLD AND IS A FIRE HAZARD WHY IS THIS A SAFTEY ISSUE THAT HAS NOT BEEN ADDRESSED I WORK AS A CERTIFIED MECHANIC IN THE STATE OF MICHIGAN WE DO THE SAME REPAIRS TO 2000 2001 VIHICLES WITH THE SAME PROBLEM