| Bulletin Number | Vehicle Make | Vehicle Model | Model Year | Summary |
|---|---|---|---|---|
| 02033 | GMC | C4500 | 2003 | SOME MEDIUM DUTY TRUCKS EQUIPPED WITH AN 11,000 # REAR AXLE MAY HAVE BEEN BUILT WITH AN INCORRECT AXLE PINION ANGLE THAT RESULTS IN UNDESIRABLE DRIVE |
| 030601008 | GMC | C4500 | 2003 | CRANKSHAFT REAR OIL SEAL LEAKS DURING EXTREME COLD WEATHER OPERATION. ON CERTAIN MODELS INCLUDING THE CHEVROLET AND GMC C4500/C5500 MODELS. |
| 020601010A | GMC | C4500 | 2003 | SERPENTINE BELT IDENTIFICATION AND DIAGNOSIS FOR MEDIUM DUTY TRUCKS. VARIOUS MODELS INCLUDING THE CHEVROLET AND GMC C5500 MD 2003. *TT<br /> |
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