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Old 03-19-2018, 10:20 PM   #6
dmsfrr
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Join Date: Aug 2012
Location: Abq, NM
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Default Re: '55 T-Bird slow warm up

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Quote:
Originally Posted by miker98038 View Post
The other thing I’ve found on my bird is the heater valve really doesn’t close completely. So even in warm weather, with it off, you’re running the heater too. And if the seals are leaking on the air pick up (which they do), you’ve got some heat going into the interior too.
If this is happening there are manual in-line valves available to insert into a heater hose to stop water flow thru the heater core.
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