Vehicle report

1999 GMC MEDIUM DUTY

Service bulletins

3 bulletins

Technical service bulletins are instructions a manufacturer sent its dealers about a known fault. They are not recalls and the work is usually not free, but they are the clearest signal of a problem the manufacturer already knows about.

02047

Service Bulletin/Repair Instructions

SUPPLEMENT TO 03-06-04-002 4HEI-TC DIESEL ENGINE - COLD WEATHER NO START. ALSO INCLUDES 2002, 2003 AND 2004 MEDIUM DUTY. *TT

010604021

Service Bulletin/Repair Instructions

SOME W SERIES MEDIUM DUTY TILT CAB MODELS MAY EXPERIENCE PCV SYSTEM FREEZE-UP WHEN OPERATED IN EXTREMELY COLD WEATHER CONDITIONS, CAUSING THE ENGINE REAR MAIN SEAL TO LEAK. *TT

200900

Service Bulletin/Repair Instructions

THIS SUBJECT INVOLVES 1990 THROUGH 2000 MODEL YEAR MEDIUM DUTY VEHICLES WITH ANTI-LOCK BRAKE SYSTEM (ABS) EXHIBITING A RED PRIMARY BRAKE LIGHT ON AFTER THE INSTALLATION OF A SERVICE (ABS) ANTI-LOCK BRAKE SYSTEM MODULE. *TT

Reading this report

Complaint counts are reports filed with NHTSA, not failure rates. A common model collects more of them than a rare one that breaks more often.