Why is car overheating on 2003 Buick Rendezvous

Replace thermostat, water pump. At 50,000 miles had service of manifold done at a cost of 1200 by Buick dealer

by in Matthews, NC on March 24, 2011
1 answer
ANSWER by , March 25, 2011
Overheating can be caused also by a malfunctioning cooling fan, an air flow issue through the radiator, and even an air pocket in the cooling system following thermostat and water pump repairs.