VEHICLE DESCRIPTION: ALUMINUM WALK-IN VANS BUILT ON GM P30 CLASSIC CHASSIS. INADEQUATE CLEARANCE BETWEEN THE FUEL TANK SENDING UNIT AND THE FLOOR PLANK OF THE BODY CAN CAUSE THE FUEL LINES AND/OR SENDING UNIT TO RUB AGAINST THE FLOOR STRUCTURE WHEN THE FLOOR DEFLECTS UNDER LOAD OR THE FUEL TANK EXPANDS.
RiskTHIS CONDITION COULD CAUSE DAMAGE OVER AN EXTENDED PERIOD OF TIME TO THE FUEL TANK SENDING UNIT AND/OR FUEL LINES AND CAUSE FUEL LEAKAGE. IF AN IGNITION SOURCE WAS PRESENT, FIRE COULD RESULT.