My car is olny blowing cold air when the heat is on

Asked by cavalierdriver141 Jan 06, 2022 at 03:10 PM about the 2002 Cadillac DeVille

Question type: Maintenance & Repair

Hello am having a
problem just blowing
cold air when the heat
is on. Replaced
thomastat, blender
motors, flushed
system.My head
gasket is not good. ,
but am using this bars
leak head gasket
sealer& & you need
the heat on high so
this bars leak head
gasket will seal. The
mechanic put in the
sealer. I think it's
working because I
drove on route 17
doing fifty mph, for a
half an hour,,but no
heat. Thank you.
Robert Butler

1 Answer
2,860

VRoom12345 answered 2 years ago

Head gasket sealer in a DeVille know for head gasket issues and warped heads? Using bars leak is a bandaid at best. Possible the Bars leak has clogged the heat core? I would suggest your mechanic fixes the vehicle properly or look for another vehicle.

Mark helpful

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