getting engine coolant back in my motor?

Question

I recently had to change a head on my truck and then changed the intake. doing this I lost alot of coolant, my motor is all back together, so how can I make sure when I pour more coolant in that I wont have air pockets in the hoses and motor?

Answer 1

The air pocket that is most common when refilling an empty coolant system will be in the heater core. After you fill the system with all that it can hold before running the engine,start the engine and run the defroster.This will keep the air from heating up and creating back pressure in the system that causes the coolant not to flow OR if you really want to make sure there is no air in the system, you can remove the thermostat and housing(given that it is on top of the engine) and pour in coolant until you see it come out of the manifold. Then when the coolant comes out,re-install the thermostat and your ready to go. It can become messy, but it is fool proof.

Answer 2

the best way ive found over the years is to fill the rad to max run the engine with the rad cap off 4 about 5 mins top up the rad close the system and fill ur overflow jug up to the mark take the vehical 4 a short drive 5 to 10 mins and recheck ur overflow if it went down top it up good luck ps keep ur heater fan on hot deforst in high make sure u have good heat

Answer 3

Run it for a few minutes with the radiator cap off.
When the coolant level drops(Thermostat openning), add coolant up to about 1" of the cap.

Answer 4

they run pressure in the coolant --with the water pump-so just check it after every 20 minutes of run time until it will take no more coolant

Answer 5

it won't..trust me.

the air always go to the top side of anything. and anything in Your engine is the resevoir.