by Buzzard Sun Jul 01, 2012 7:07 pmHelp!!! installed a new lower radiator hose and now I cant get the air pocket out of the heater core. I cant remember how i did it the last time.Been up many nights ready post and getting ideas but could not find any post reguarding this concern.
5 posters
Air in heater core
Buzzard- Number of posts : 90
Location : arlington heights Ill
Registration date : 2012-07-01
Old Skool- Econoline Guru
- Number of posts : 1306
Location : North Hills, CA
Age : 72
Registration date : 2009-06-13
Open the valve,,, LOL~~~~~~~~~ if it is flowing, then the air will naturally get to the top of the radiator, out the cap and the water level will drop,,,, something I am missing here??? Radiators USUALLY mounted up higher than the engine for just that fact.IF NOT then the expansion tank at the very least.
vic
vic
Buzzard- Number of posts : 90
Location : arlington heights Ill
Registration date : 2012-07-01
Sorry Old School i did forgot some things,I have a 67 ext cargo and the heater core sits about the samr height as the radiator, when up to temp and thermostat is open i have very little pressure (ie the hose is soft can pinch it together)on the line going to the intake manifold, is there some way i can burp the system to get the air out of the heater box or is it just going like you said the air will work its way out. Heading to the Nats monday morn and i would like to try to get resolved by then
HandiVanMan- Number of posts : 1868
Location : Calhoun, Ga
Age : 58
Registration date : 2010-04-11
Does it have an expansion tank on the radiator?
Buzzard- Number of posts : 90
Location : arlington heights Ill
Registration date : 2012-07-01
No is doesnt, been kicking it around for a little while cause it really doesnt get over 210-215 sitting in traffic, it has org 240 three row radiator and a 17 inch flex fan i got off a mid ford with a/c that pulls huge air and just in case i have a pusher in front of radiator hooked up to a manual switch
Henrik- Number of posts : 156
Location : Vantaa, Finland
Registration date : 2010-11-26
would it help to jack the car up from one end?put heater on hot if you haven't done that yet.
donivan65- Governor
- Number of posts : 12220
Location : San Diego, California
Registration date : 2008-05-12
Well, the waterpump sucks the coolant out of the heater core, so I would undo the hose at the waterpump, plug off the waterpump fitting, run the engine and see if the coolant comes out that hose to see if the heater core is not clogged up, the heater control valve closed or any air in the system,,,
Buzzard- Number of posts : 90
Location : arlington heights Ill
Registration date : 2012-07-01
Control valve was removed awhile ago, seems to be taking alittle antifreeze after warming up and sitting for a day. Im going to wait and try the disconnecting the hose after Nats, getting to close to leaving and dont want to push my luck till i get back. Thanks for all the advise. I have to thank G Man for telling me about this site after meeting him at Taz fest a couple of years ago. Once again thanks for all your feed backs
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Careful of that Old Skool Veeks ... knows too much ... and wreaks havok worse than me ... and that's a compliment ...
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