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Old 05-30-2023, 12:02 PM   #8
6600DURAMAX
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Join Date: Nov 2000
Location: Wheatfield IN, USA
Posts: 1,107
Re: Running a little warm ? Air in system ?

So trying to figure out my next steps ............should I take my upper radiator hose off and fill from it, then reattached before I start the engine?

I'll need to see if the Vintage Air valve opens when I turn the heat on - wonder if this is causing an air pocket issue
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1972 K5 Build - plans - LS3-6L80e-One Tons.....

1971 CREWMAX Build.....at body shop for couple more years
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