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We are privately owned, with access to a professional Diesel Mechanic, who can provide additional support for Dodge Ram Cummins Diesel vehicles. Many detailed information is FREE and available to read. However, in order to interact directly with our Diesel Mechanic, Michael, by phone, via zoom, or as the web-based option, Subscription Plans are offered that will enable these and other features.  Go to the Subscription Page and Select a desired plan. At any time you wish to cancel the Subscription, click Subscription Page, select the 'Cancel' button, and it will be canceled. For your convenience, all subscriptions are on auto-renewal.

Gurgle after heater core

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Since I have finished my heater core I have an intermittent gurgle from the heater core area after shutdown. Its got to be air in the cooling system but surely it would be gone now? Is theyre a way to bleed the air out of the cooling system? 

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  • Ed ke6bnl
    Ed ke6bnl

    I have one of those units that you pull a vacuum on the system and then use that vacuum to suck in the coolant , seemed to work great for my old Jeep straight six that would have problems for days to

  • Mopar1973Man
    Mopar1973Man

    Just run it. It will come out in time. Typically I leave thermostat out during the time I'm filling with coolant to ensure that majority of the air is removed. Empty heater will have its own air to ad

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  • Owner

Just run it. It will come out in time. Typically I leave thermostat out during the time I'm filling with coolant to ensure that majority of the air is removed. Empty heater will have its own air to add.

    • Thanks 1
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    3 minutes ago, Mopar1973Man said:

    Just run it. It will come out in time. Typically I leave thermostat out during the time I'm filling with coolant to ensure that majority of the air is removed. Empty heater will have its own air to add.

    Thanks Mike. Im going to do a coolant flush here soon any tips other than thermostat removal to keep air out? 

    1 hour ago, Marcus2000monster said:

    Thanks Mike. Im going to do a coolant flush here soon any tips other than thermostat removal to keep air out? 

    I have one of those units that you pull a vacuum on the system and then use that vacuum to suck in the coolant , seemed to work great for my old Jeep straight six that would have problems for days to burp ot the system. Just a thought

    • Like 2
    • Owner

    Yeah the vacuum method works awesome if you have the rig to do that. I normal park the truck nose up slightly and remove the thermostat and go from there. When the coolant is just about to spill over then stuff the thermostat in and finish loading with coolant.

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    Welcome To Mopar1973Man.Com LLC

    We are privately owned, with access to a professional Diesel Mechanic, who can provide additional support for Dodge Ram Cummins Diesel vehicles. Many detailed information is FREE and available to read. However, in order to interact directly with our Diesel Mechanic, Michael, by phone, via zoom, or as the web-based option, Subscription Plans are offered that will enable these and other features.  Go to the Subscription Page and Select a desired plan. At any time you wish to cancel the Subscription, click Subscription Page, select the 'Cancel' button, and it will be canceled. For your convenience, all subscriptions are on auto-renewal.