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Blow gasket fixed or more problems?

Tiny
ALWAYSATTHEGYM
  • MEMBER
  • GMC
I have a 97 cavalier, and I just recently found out I had a small hole in my gasket. My #4 cylinder was also misfiring. As a last resort before an $800.00 bill, I decided to try K&W block seal. I followed the directions carefully, then refilled with antifreeze/water as directed. The check engine light has turned off and the engine no longer misfires. The engine also sounds normal again. But the heater wont blow hot air and the car still over heats. If the K&W clogged the heater core hoses or heater core itself, could it be causing the over heating and cold air?
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Friday, March 24th, 2006 AT 8:01 PM

2 Replies

Tiny
SEVENS
  • MEMBER
  • 8 POSTS
Something blocking heater core flow will result in cold air and maybe overheating. Are you sure K&M got in there?
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Saturday, March 25th, 2006 AT 12:36 AM
Tiny
ALWAYSATTHEGYM
  • MEMBER
  • 1 POST
Cold air, and overheating is all that is happening. I think it might have clogged part of my radiator too.
[u:cf0da6cc65]EDIT[/u:cf0da6cc65]
Heater fixed and car hasn't over heated. But I haven't driven it since, just idle. The check engine light turned back on though and I think the engine is misfiring again. Im still not sure if the gasket is fixed though.
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Saturday, March 25th, 2006 AT 10:18 AM

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