Technical Service Bulletin 12138 — 2011 CHEVROLET SUBURBAN
EQUIPMENT
Bulletin Details
| TSB ID | 12138 |
| Manufacturer | |
| Vehicle | 2011 CHEVROLET SUBURBAN |
| Component | EQUIPMENT |
| Communication Date |
Bulletin Summary
12138 - CUSTOMER SATISFACTION PROGRAM. NORMAL ENGINE VIBRATION WHILE IN ACTIVE FUEL MANAGEMENT (AFM) MODE MAY CAUSE THE TRANSMISSION DIPSTICK TUBE TO FATIGUE AND FRACTURE. IF THIS OCCURS, IT COULD CAUSE A TICK OR RATTLE NOISE FROM THE FRONT OF THE VEHICLE. DEALERS ARE TO INSPECT THE TRANSMISSION DIPSTICK TUBE FOR A FRACTURE AND REPLACE IT IF NECESSARY. IF NO FRACTURE IS FOUND, DEALERS ARE TO INSTALL A FOAM SLEEVE AROUND THE TUBE TO ABSORB THE VIBRATION.
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.
Other TSBs for the 2011 CHEVROLET SUBURBAN
07-06-01-016I
ENGINE AND ENGINE COOLING
PIT5652C
EQUIPMENT
PIP5069A
ENGINE
PIT4474D
EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.
09-06-04-026G
POWER TRAIN
PIT4609B
SEATS:FRONT ASSEMBLY:SEAT HEATER/COOLER
12138
POWER TRAIN:AUTOMATIC TRANSMISSION