Buick Century 2001 — technical service bulletin

Bulletin 190101 · NHTSA communication 618181 · issued Jan 19, 2001

Technical service bulletin

communication type

Fuel System, Gasoline

component

2001

model years

vehicle entries

Official summary

Information regarding normal diagnostic if the opr valve is causing the leak air to be heard exiting the rubber dump hose, which is located on the left side of the fuel tank. *tt

Vehicles covered

2001 Buick Century
2001 Buick Regal
2001 Chevrolet Impala
2001 Chevrolet Monte Carlo

What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.