Coolant Bubbling After Flush. HELP PLEASE!

[Benson2020]

So I recently went to a drive-through oil change center and had them change my oil. They also flushed my coolant while they were at it.

Later that evening, after parking my car, I noticed that there was a lot of bubbling coming from the coolant reservoir. I took it back, they flushed again, and the problem persisted.

Today, I went to Ford and they properly bled the system but I'm still noticing bubbling. The car had never once done this before the flush, so I assume there is still some air trapped in the system somewhere.

Anyone know of a surefire way to get this fixed without going to a shop for a third time? Will this go away over time or do I need to vent/burp the remaining air out of the system? If so, how do I do that?

Keep in mind that I'm not very mechanically inclined. Any help would be greatly appreciated!

 

[Dialcaliper]

Is it foam or just clean bubbles coming out? Any overheating issues?

If it’s foaming in the expansion tank, they didn’t rinse out the flush mix well enough.

If it’s just clean bubbles, it might just be air leaving the system because they did a crappy job bleeding it (this car requires a vacuum bleed/fill if you actually want to fully purge the system first try)

If the tank is hot, the engine is overheating, the coolant could be boiling, but you’d likely have an overheat warning on the dash.

For clean bubbles, my advice is just keep driving, don’t push the car too hard and top off the coolant as the level goes down (because the bubbles are escaping). It might take quite a while for it to all come out, especially if they didn’t get coolant to the heater core (by running the heater) during the refill.

 

[isis]

I got my car as an accident repair on eBay. The first week and a half the coolant level would go down a bit each day. I never noticed bubbles but didn’t really look for them either. I just added coolant every few days to level it up and after 5-7 days it just stopped. I think you should just keep an eye on the level for a week or two and ride it out. Unless it’s foamy, like Dialcaliper said, that’s likely a different issue.

 

[LostInTransit]

Park the car on a hill nose up/up hill make sure that the coolant reservoir cap is lose or allows for some air flow. Turn the car on and turn on the heater.. do this for 15 mins for a few days. keep and eye on the coolant levels min/max line located on the coolant reservoir