Problem with the heater core?

[94ShoOff]

Three Sho's, all three had bad thermostats around the same time. Anyway, I changed the thermostat and flushed the system on the 91'. While I was flushing it with the heater on, I noticed that it was blowing cold air. The hose going into the heater core was hot and the hose coming out wasn't even warm. I played with the heater control going up and down for a few minutes and still cold. I took off the outlet hose and it was bone dry for a little while until coolant finally came out. I put the hose back on and about five minutes later the heat finally started to work. Is this something to worry about or do you think it might have been an air pocket in the core?

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Steve

94'ShoMtx, 91'Sho,87'Grand National(modded),97'NinjaZX7R,90'Grand Am Se
Wifes cars: 93'ShoAtx(fresh 60K service, $ ouch), 91'Corvette Conv.

 

[SLOSHO89]

Sounds like an air pocket......

Keep an eye on it though to see what happens.

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Oxford White '89 SHO
Slicers, SHO+ hood and spoiler, Met.-Red and Gold Intake.

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