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Old 01-13-2016, 09:14 AM   #1
Skoolie
 
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Join Date: Dec 2015
Location: onboard the R1!
Posts: 206
Year: 2004
Coachwork: International
Chassis: RE200
Engine: 7.3L Navistar T444E
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removing midship heater

so i am going to remove the mid heater in R1. my question is once i get it out and hook the coolant lines back up is there problems with air in line / coolant level after that? how do i bleed the air out of the line or do i need to? i will close the valve in engine compartment that powers that loop before removal but want detail about what to do before i open the valve again. any tips?
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Old 01-13-2016, 09:42 AM   #2
Bus Nut
 
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Clamp the hoses so all the coolant doesn't leak out. I use a bolt in the hose and a hose clamp. Shouldn't have to bleed anything. Water pump forces coolant through hose.
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Old 01-13-2016, 10:05 AM   #3
Skoolie
 
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Chassis: RE200
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the coolant is in route to the front heaters though. so i will be using a union in the hose. same line powers my front heat so i need it intact but not sure about the air in line after installing the union.
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Old 01-13-2016, 10:35 AM   #4
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The air bubble will move through the system and will most probably need to be bled out of the front heaters. There is a bleed screw to do that somewhere towards the top of the heater core to do that.

You may just luck out and not have that happen but if it does, it isn't a big deal.

The less coolant you leak the less probability you will have an air bubble that won't work it's way through.
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