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August 22, 2003 Service bulletin

Coolant leaks at the upper radiator hose to thermostat housing

Buick technical service bulletin 082203 for 2003-2004 Buick Lesabre.

Bulletin number
082203
Component
Engine and engine cooling: cooling system
Summary
Coolant leaks at the upper radiator hose to thermostat housing. Tt

Owners of these vehicles have filed 30 complaints in the engine category.

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