RE: odd heater behavior

From: BOBBY (
Date: Wed Jan 26 2011 - 22:06:20 EST

is there air coming out of the vent....just not hot? if so could be the
blend door not opening due to a vaccum leak. check the heater core
hoses... are they both hot at idle? or only get hot when the rpm's are
higher. you have a heat gun?


On Wed, Jan 26, 2011 at 9:53 PM, wrote:

> Strange one here.....
> At idle with a nice warm engine get no heat.
> Over 1500 rpm heat rolls in.
> Does this sound like I need to flush my cooling system?
> Could it be a water pump on the way out?
> Jim

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