Overheating

Tiny
RON TYLER
  • MEMBER
  • 2008 KIA RIO
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 60 MILES
My car is overheating, the exhaust manifold is glowing red. The exhaust doesn't seem to be restricted and the coolent level is fine. What could it be?
Saturday, November 13th, 2010 AT 5:38 PM

1 Reply

Tiny
KHLOW2008
  • MECHANIC
  • 41,814 POSTS
Are the cooling fans working?
If lower radiator hose is much cooler than upper radiator hose when overheating occurs, most probably the thermostat is bad.

The exhaust glowing red hot indicates excessive unburnt fuel is being dumped there. Check for a misfiring cylinder. Vehicle should be running with lack of power and that could mean a bad head gasket as indicated by the overheating.
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Saturday, November 13th, 2010 AT 5:55 PM

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