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2001 Chevy Blazer Radiator & overheating problem

Tiny
WILL MCDONALD
  • MEMBER
  • 2001 CHEVROLET BLAZER
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 142,000 MILES
I have recently been having radiator problems! I bought a radiator from a salvage yard and replaced my old one which had a crack in it. Once I changed the radiator and flushed it, It wasnt a week before I had a crack in the same exact spot. In the top right corner of radiator. What causes this to happen, and shoduld I keep fixing the radiator or replace something else with it?
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Monday, October 6th, 2008 AT 8:59 AM

1 Reply

Tiny
MMPRINCE4000
  • MECHANIC
  • 8,548 POSTS
Flush the cooling system and block, change the thermostat, inspect the waterpump for leaks and replace if needed. Replace the rediator with a new one or get it rebuilt at a radiator shop.

It is hard to say what caused the radiator to crack again. It is used for one thing, you could have a bad thermostat, if using Dex-Cool, you may have a restriction in the cooling passages.
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Monday, October 6th, 2008 AT 1:04 PM

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