1990 Chevy Cavalier Cooling system

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LALEXLM
  • MEMBER
  • 1 POST
1990 Chevy Cavalier 4 cyl Two Wheel Drive Automatic 196K miles
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I replaced water pump at 148K, it started leaking at 196K and when I removed it the impeller vanes were worn completely off! What could have caused this?? Also if this car gets 1 gal. low on coolant the engine sputters and dies at stops when it's cold, add coolant and it runs fine, is this a designed in safety feature and how on earth would it work? Curious, Thank you
Jan 29, 2008 at 10:09 AM
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E40WATER12
  • ✓Experienced Mechanic
  • 522 POSTS
Could have internal air vaccum leak. Or could be air in the cooling system.
Jan 29, 2008 at 6:51 PM
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