Body & structureTires & wheels
Filed Aug 19, 2009
INNER FENDER WALLS ON THE NEWMAR 2008 GRANDSTAR 3750 ARE TOO CLOSE TO THE REAR INSIDE DUAL TIRE, CAUSING BOLT RUBBING ON SIDEWALL OF THE TIRE, CAUSING THE BOLT TO WEAR INTO TIRE SIDEWALL SHEARING OFF THE RUBBER, COMPROMISING THE TIRE. *TR
- NHTSA ID
- 10281100
- Incident
- Aug 17, 2009
Body & structureTires & wheels
Filed May 11, 2009
DURING A SERVICE AT A FREIGHTLINER CHASSIS CENTER, THEIR SAFETY INSPECTION REVEALED BOTH INNER TIRES ON THE REAR DUALS ARE COMING IN CONTACT WITH THE COACH FRAME. AT 5K MILES, ONE TIRE NEAR FAILURE, THE OTHER LESS SO. VISUAL INSPECTION SHOWS A TOO CLOSE GAP BETWEEN THE TIRE TREAD AND COACH BODY WHEN VEHICLE IS UNLOADED. APPROXIMATE 1/4" GAP ON LEFT, 1/2" ON RIGHT AT THE TREAD. AS THE SUSPENSION COMPRESSES OR THE VEHICLE IS LOADED, THE SIDEWALL , AS IT WIDENS TOWARDS THE WHEEL, IS IN CONSTANT, INCREASING CONTACT WITH A PIECE OF ANGLE IRON THAT IS BOLTED TO THE COACH FRAME ON BOTH SIDES. THE TIRE SIDEWALL IS THEN SLOWLY SHAVED OFF AND FRICTION CAUSES SIGNIFICANT HEAT INCREASES. DEFECT IS SO OBVIOUS IT IS DIFFICULT TO COMPREHEND IT PASSING SAFETY AND QUALITY CONTROL, AND ALLOWED TO LEAVE THE FACTORY. NEWMAR SAYS THE FIX IS TO RE-WORK THE COACH BODY TO ACCOMMODATE ROOM FOR THE TIRES. MAY INVOLVE REPLACEMENT OF A HOLDING TANK, CUTTING OF THE FLOOR, ECT. VEHICLE AT THIS TIME COULD NOT PASS A MN DOT INSPECTION. *TR
- NHTSA ID
- 10268379
- Incident
- May 1, 2009