Noob question about burping Coolant
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Fleet Mechanic
Joined: Aug 2013
Posts: 1,313
Likes: 19
From: Louisiana
Noob question about burping Coolant
Ok, I have an "offroad" package on the way which requires me to drain the coolant and then "burp" it after I put it back in. I have looked at a bunch of videos and write-ups that deal with turning the heat all the way on, until the radiator fan kicks on etc. I have also heard our coolant reservoirs called "de-gas" bottles. Does this mean that the trucks automatically kick the air out and all I need to do is just keep adding coolant until the level is right? I am pretty confused about this and feel like I should know this, but am needing some advice from you smart fellas!
Cargo Master
Joined: Nov 2005
Posts: 2,051
Likes: 10
From: TEXAS
What you describe sound like what I had to do when I changed the water pump on my 2003 Jeep TJ.
Filled the radiator with fresh coolant, turned the heat on high and let it run up to temp while I kept adding coolant to the system as it burped air out of the coolant lines. Replaced the radiator cap and all was well.
A common mistake often made is that some folk will fail to turn on the heat and allow air to become trapped in the line which can allow for the hoses to collapse.
But, I'm sure someone will come along here in a short and reassure you one way or the other.
Filled the radiator with fresh coolant, turned the heat on high and let it run up to temp while I kept adding coolant to the system as it burped air out of the coolant lines. Replaced the radiator cap and all was well.
A common mistake often made is that some folk will fail to turn on the heat and allow air to become trapped in the line which can allow for the hoses to collapse.
But, I'm sure someone will come along here in a short and reassure you one way or the other.
Posting Guru
Joined: Jan 2010
Posts: 1,616
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From: Whitecourt AB, Canada
I find that actually driving the vehicle is fastest for warming up the coolant rather than just idling. I brought along a few jugs of coolant I had prepared (mixed with water), stopping periodically to top up both degas bottles. It did take about 3 fills on the primary loop and only twice on the secondary. I had to drain both when doing the EGR cooler delete.
Logistics Pro
Joined: Mar 2005
Posts: 3,533
Likes: 2,498
From: West Michigan
I find that actually driving the vehicle is fastest for warming up the coolant rather than just idling. I brought along a few jugs of coolant I had prepared (mixed with water), stopping periodically to top up both degas bottles. It did take about 3 fills on the primary loop and only twice on the secondary. I had to drain both when doing the EGR cooler delete.
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Fleet Mechanic
Joined: Aug 2013
Posts: 1,313
Likes: 19
From: Louisiana
Ah ok. I think I understand now. So when you drove, I assume you drove with the radiator cap on correct? Also when you say primary and secondary, you are talking about the container on the passenger side and the degas on the drivers side?
Posting Guru
Joined: Jan 2010
Posts: 1,616
Likes: 6
From: Whitecourt AB, Canada
Yes yes of course with all covers on. The secondary loop is drained and filled from the passenger side and the primary loop is drained and filled from the drivers' side.
And those pet***** unscrew counterclockwise. I mistook them for ball valves which I found out the hard way ($35) they are very much not so.
And those pet***** unscrew counterclockwise. I mistook them for ball valves which I found out the hard way ($35) they are very much not so.
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