2003 Am General Hummer technical service bulletins
18 technical service bulletins and manufacturer communications cover the 2003 Am General Hummer.
Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.
- Misfire at idle cold and possible P0171 and or P0174
- Underbody squeak noise
- Lack of steering assist or shudder during parking lot type maneuvers
- Radio cd skips/ejects or clock resets to 12:00
- Lack of steering assist when stopped or during parking lot type maneuvers
- Misfire dtcs and catalytic converter damage due to installation of alarm systems
- Information regarding engine crankcase flush for 2003 and prior gm cars and trucks and isuzu light and...
- Information regarding new pag oil released for certain vehicles including all 2003 passenger cars and trucks
- Information on the power door locks on the 2003 hummer H2
- Subject regarding engine identification information for 2003 and prior passenger cars and trucks and 2003...
- Information on the new powertrain quality center for engine and transmission assembly for 2003 and prior...
- Information on automatic transmission serial number and site code locations for 2003 and prior passenger...
- Subject regarding warranty parts center / corporate parts return program for 2003 and prior passenger cars...
- Subject regarding 2003 hummer H2 loose outside rear view mirrors at the pivot point
- Subject regarding 2003 hummer H2 programmable power door locks
- Subject regarding 2003 hummer H2 loose roof lights
- Subject regarding 2003 hummer H2 loose windshield to a pillar moldings
- Subject regarding 2003 hummer H2 rear window washer spray nozzle drips and / or extended pump run time for...
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