dave172c@YAHOO.COM  wrote:

I have bleed the cooling system many times yet still
air is gettin in there i donno how .. i donno maybe im
not gettin it all out.. but im pretty sure i am.....

Dave:

I have ripping my hair out over this problem for 6
months...mine is a 2.1L  with many of the same
symptoms as yours...mine overheats mostly when going
uphill...but also get finicky...blows cold with heat
on, then hot...red light flashes...stops flashing.

I've replace the Expansion Tank and Cap...a few
hoses...put in a cooler (80 degree) thermostadt...all
to no avail. Recently pumped air into the plug holes
(cylnder at TDC) hold pressure an no bubble in the
Expansion tank.

I've been told it could be the radiator or combustion
gases slipping past the seals (but why would the air
pressure test show this?)

Anyway...I'm having a test doen with a "Block Testing
Kit" this week...dye that will tell if gases are in
coolant. I'll let you know what I find out...please do
the same.

Kevin

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