2005 Buick Lesabre Radiator

2005 BUICK LESABRE
138,000 MILES • 6 CYL • 2WD • AUTOMATIC
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SJSHARP
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How do you flush a radiator? Should it be done by a professional?
May 28, 2010 at 8:31 AM
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MMPRINCE4000
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Drain radiator, fill with water, run engine with radiator cap off, when engine gets to temp, stop, let cool, drain and repeat process until fluid is clear. Refill with 50/50 mix of coolant.
May 28, 2010 at 8:34 AM