Mack DM
- Published
- 1977-09-22
- Model years
- 1975–1977
TRUCKS EQUIPPED WITH FL-931 FRONT AXLES WITH DISC WHEELS AND ROCKWELL INTERNATIONAL ALUMINUM FRONT WHEEL HUBS. ROCKWELL INTERNATIONAL HAS DETERMINED THAT A DEFICIENCY EXISTS IN ITS 333-P-2304 FORGED ALUMINUM FRONT WHEEL HUBS (PART NO. 333-N-2302) IN THE BARREL SECTION BETWEEN THE INNER AND OUTER WHEEL BEARING WHICH MAY RESULT IN CRACKS. CONTINUED OPERATION IN THIS CONDITION COULD CAUSE THE HUB TO SEPARATE FROM THE VEHICLE WITH THE POSSIBILITY OF A VEHICLE CRASH.
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