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BOBBYSS, Master Technician
Category: Chevy
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2000 Chevy Blazer-Need to flush the heater core for the 2nd

Resolved Question:

2000 Chevy Blazer-Need to flush the heater core for the 2nd time this year. Had to flush twice last year.
Appears that the clogged heater core is a know problem. Is there anything we can do to prevent this from continually happening?
Submitted: 7 years ago.
Category: Chevy
Expert:  BOBBYSS replied 7 years ago.
HelloCustomer this is a very common problem on this vehicle. THe only way to help prevent it is to flush the entire cooling system mechanically and then refill the system with fresh coolant. There is typically so much build up in this engine that it clogs the heater core.
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