Buick Lesabre 2000–2003 — technical service bulletin
Bulletin 03034 · NHTSA communication 10003430 · issued Jul 1, 2003
Technical service bulletin
communication type
Engine and Engine Cooling
component
2000–2003
model years
28
vehicle entries
Official summary
Engine coolant may leak at the upper intake manifold throttle body gasket, or at the upper intake manifold to lower intake manifold to lower intake manifold gasket. This condition may result in a low engine coolant level and higher engine operating temperatures. *tt
Vehicles covered
- 2000 Buick Lesabre
- 2001 Buick Lesabre
- 2002 Buick Lesabre
- 2003 Buick Lesabre
- 2000 Buick Park Avenue
- 2001 Buick Park Avenue
- 2002 Buick Park Avenue
- 2003 Buick Park Avenue
- 2000 Buick Regal
- 2001 Buick Regal
- 2002 Buick Regal
- 2003 Buick Regal
- 2000 Chevrolet Impala
- 2001 Chevrolet Impala
- 2002 Chevrolet Impala
- 2003 Chevrolet Impala
- 2000 Chevrolet Monte Carlo
- 2001 Chevrolet Monte Carlo
- 2002 Chevrolet Monte Carlo
- 2003 Chevrolet Monte Carlo
- 2000 Pontiac Bonneville
- 2001 Pontiac Bonneville
- 2002 Pontiac Bonneville
- 2003 Pontiac Bonneville
- 2000 Pontiac Grand Prix
- 2001 Pontiac Grand Prix
- 2002 Pontiac Grand Prix
- 2003 Pontiac Grand Prix
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.