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I hear alot of these "bell and whistle" types of explainations to fill the cooling system. It's really quite easy, only requires a short roadtest and 5 or 10 minutes of your time. Fill it as much as possible, engine cold. Roadtest with heater if DEF. Keep an eye on the temp gauge. You will want to drive it a little on the hard side, harder accelerations. Not to the floor, just harder than most people would drive. You only want to drive about a mile. Try to end up at home or your garage. You want the temp up to around operating temp, it'll go there failry quickly. If you have to drive more than a mile, take coolant with. The indication that the system is not yet burped is a cold running DEF vent. Once you have it right around normal op temp, shut it off and leave it alone (cap is on the whole time). WAIT for the thing to burp, will only take 5 minute to 10 minutes, WAIT. Once it does you'll normally get 1/2 gallon to a gallon in it. Road test again, following same procedure. IF THE TEMP GAUGE PEGS, SHUT IT DOWN. Wait for a burp. Even on the first road test. Don't let it get much over normal. That's why it's best to take a jug of coolant along, just in case. You can stop and wait for the burp and bring it back home without worrying about blowing the headgasket, which is what you are always flirting with when filling a drained cooling system. It isn't rocket science, you should never have to open anything but the cap.
Gilly
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