Technical Service Bulletin 030138009 — 2001 GMC ENVOY
EQUIPMENT:APPLIANCE:AIR CONDITIONER
Bulletin Details
| TSB ID | 030138009 |
| Manufacturer | |
| Vehicle | 2001 GMC ENVOY |
| Component | EQUIPMENT:APPLIANCE:AIR CONDITIONER |
| Communication Date |
Bulletin Summary
HVAC MODE SWITCH INOPERATIVE OR STUCK IN VENT MODE, OIL IN HVAC CONTROL HEAD AND/OR VACUUM LINES. *TT
About Technical Service Bulletins
A Technical Service Bulletin (TSB) is a document issued by a vehicle manufacturer to its dealers, describing a known issue with a specific vehicle or set of vehicles and the recommended procedure to fix it. Unlike recalls, TSBs are not mandatory and are typically only performed if an owner reports the related issue. However, TSBs can be an indicator of common problems with a vehicle.