- May 7: GM Transmission Lawsuit Affects Hydra-Matic 8L90 and 8L45 news | 8 days ago
- March 10: GM Trucks Suffer Automatic Emergency Braking Incidents recalls | 66 days ago
- March 4: GM to Replace Engines in 2023 Colorado, Silverado 1500, GMC Sierra 1500 news | 72 days ago
GMC TSB #PIT5723A
2020 GMC Sierra 1500
TSB Document:
Affected Component: FUEL SYSTEM, GASOLINE:STORAGE:EVAPORATIVE EMISSIONS:CANISTER
- Summary
- This Preliminary information communicates information that the EVAP purge pump may be filling with liquid fuel if the customer overfills the fuel tank by over 3 clicks of a normal filler nozzle.   Reference N202324990: Special Coverage - Evaporative Emissions Purge Pump for repair information
Click a tab for more information.