How to burb cooling system?
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New User
Joined: Jun 2014
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How to burb cooling system?
I've got a 77 f150 ranger with a 351w. recently changed the thermostat and flushed the coolant, but I'm not sure if I burped it correctly.
Any help would be much appreciated.
Any help would be much appreciated.
Cargo Master
Joined: Oct 2010
Posts: 3,417
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I usually squeeze the lower and upper radiator hoses a bunch of times with the cap off and the truck off. That seems to dislodge the air bubbles. After I run the truck with the cap off until the thermostat opens.
Moderator & parts slinger
Joined: Feb 2007
Posts: 50,186
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From: S/W Missouri, Polk county
Park it with the front end higher than the rear, like on a set of car ramps.... And take the radiator cap off, idle till the thermostat opens.
X2 on the heater selector on the dash.
X2 on the heater selector on the dash.
Lead Driver
Joined: Aug 2003
Posts: 7,592
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From: **** hole San Jose ca.
By remove heater hose on the intake lets out the trapped air. Then reconnect with coolant starts to flow from it.
If you don't have the modified thermostat that has a small drilled 1/16" hole in it, and have the hole positioned at 12:00 O:clock setting which vents most air at refilling with coolant.
orich
If you don't have the modified thermostat that has a small drilled 1/16" hole in it, and have the hole positioned at 12:00 O:clock setting which vents most air at refilling with coolant.
orich
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