REAR AXLE BEARINGS MAY FAIL DUE TO A BENDING MOMENT CREATED BY THE AFTERMARKET DUAL REAR WHEELS FROM A VARIETY OF FACTORS AND ESPECIALLY WHEN OVERLOADED. FAILURE OF THE BEARINGS CREATE STRESSES ON THE REAR AXLE, RESULTING IN THE BREAKAGE OF THE AXLE.

Consequence & remedy

Consequence: A BROKEN AXLE WILL CAUSE SEPARATION OF THE DUAL REARWHEEL ASSEMBLY FROM THE MOTORHOME, CAUSING LOSS OF CONTROL WHICH COULD RESULT INAN ACCIDENT.

Remedy: REPLACE REAR AXLE ASSEMBLIES WITH FULL-FLOATING REAR AXLE ASSEMBLIES.

86V154000 · Wheels:rim

Nov 19, 1986

DUAL REAR WHEELS MAY HAVE PIN HOLE LEAKS AND CRACKS AROUND THE OLD VALVE STEM HOLE THAT HAD BEEN WELDED. CONSEQUENCE OF DEFECT: DRIVING WITH THE INNER DUAL REAR WHEELS FLAT COULD CAUSE A BLOWOUT, AND POSSIBLE WHEEL BEARING OR AXLE FAILURE.

Consequence & remedy

Consequence: Not supplied

Remedy: REPLACE DEFECTIVE WHEELS.

Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗

NHTSA investigations

EA84035 · Rear Suspension

Opened Sep 27, 1984 · Closed Apr 27, 1987

Status: closed (inferred from source dates) · Wheels:rim

SUMMARY:NATIONAL (FORMERLY DOLPHIN) IS THE LARGEST MICRO-MINI MOTORHOME MANUFACTURER.SINCE 1980 ALL THEIR VEHICLES HAVE BEEN 20 FT OR GREATER, REQUIRING EXTENDED FRAMES AND AFTERMARKET DUAL REAR WHEEL CONVERSIONS.NATIONAL HAS BUILT ON TOYOTA, NISSAN AND CHEVROLET MINI TRUCK CHASSIS.NATIONAL HAS UPGRADED THE GVWR OF THEIR UNITS AFTER CONDUCTING COME FMVSS 105 BRAKE COMPLIANCE TESTS.ANALYSIS:RECEIPT OF FAILURE REPORTS INDICATES THAT NATIONAL'S RELIANCE ON THE BRAKE COMPLIANCE TESTING IS NOT SUFFICIENT AND THAT THE VEHICLES ARE OVERLOADED.STATUS:DEFECT REVIEW PANEL HELD ON 4/27/87. CLOSED THIS EA AND OPENED INVESTIGATIVE CASE C87-001-001.======

Additional source detail variants (2)

Wheels:rim