changed therm now no heat??

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01-18-2008, 06:13 PM

gmbal4

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changed therm now no heat??

Changed thermostat out and now I still have no heat is it the heater core?? or something else??

01-18-2008, 07:55 PM

MrLM7

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RE: changed therm now no heat??

Check your coolant level.

01-18-2008, 08:20 PM

gmbal4

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RE: changed therm now no heat??

coolant is fine what else could it be ???

01-18-2008, 09:49 PM

72charger

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RE: changed therm now no heat??

Your sure the thermostat isn't stuck open?

01-19-2008, 12:14 AM

gmbal4

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RE: changed therm now no heat??

how do I tell it`s brand new just put it in today??

01-19-2008, 10:54 AM

smoke20

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RE: changed therm now no heat??

WHat does your engine temp read?

01-20-2008, 08:44 PM

gmbal4

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RE: changed therm now no heat??

gauge reads right under 210 after the new thermostat was put in. After the truck is warmed up I can turn the heat on for about 10 seconds then it goes back to cold air???[sm=icon_flaming.gif]

01-21-2008, 06:10 PM

zaac

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RE: changed therm now no heat??

In my experience if one of theheater hoseswas significantly cooler than the other it was the heater core.

01-21-2008, 08:13 PM

rxsteven

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RE: changed therm now no heat??

I always thought that the heater core leaks when its bad.

#10

01-22-2008, 04:11 AM

zimsilverado

Join Date: Oct 2007

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RE: changed therm now no heat??

Could be an air pocket.

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