Check a VIN

July 1, 2003 Service bulletin

Engine coolant may leak at the upper intake manifold throttle body gasket, or at the upper intake manifold...

Chevrolet technical service bulletin 03034 for 2000-2003 Chevrolet Impala, 2000-2003 Pontiac Grand Prix and 2000-2003 Buick Lesabre and others.

Bulletin number
03034
Component
Engine and engine cooling
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

Owners of these vehicles have filed 2,213 complaints in the engine category.

Vehicles covered

VIN decoder

See the problems and recalls for an exact car

Buying a used Chevrolet Impala?

Check the exact car before you pay: accidents, salvage or flood titles, odometer readings and previous owners.

Check its history