Manufacturer Communications

Vehicles / Gmc / C4500
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.
070605005 GMC C4500 2005 DIESEL ENGINE - LOW ENGINE POWER/PERFORMANCE, POOR ACCELERATION, ESHAUST SMOKE/HISSING NOISE, MIL/SES ON, DTC'S P0101, P0236. (INSTALL UPDATED ENGINE
060421003 GMC C4500 2005 CAB VIBRATION/BOOM NOISE AT HIGHWAY SPEEDS. (REPLACE TRANSFER CASE MOUNTS/SHIMS/SPACERS AND INSTALL NEW REAR AXLE SENSOR). *KB<br />
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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