coolant question - how to determine system is filled and done

v6dave · October 3rd, 2011, 06:46 PM

heres what i did:

-drained and flushed whole system
-filled whole rad with coolant
-ran car with heater on max w/o raditor cap for a few minutes.
-car made some bubbles by radiator cap
-large hoses seemed squishy and void of coolant
-after a few minutes of running the car got to operating temperature and started atrociously spewing mass amounts of coolant out the radiator filler hole (cap was still off)
-turned car off, because that's not good and it was making a mess

My two questions:

-So am i done? Do i just put the cap back on and drive? or did i put too much or too little in? how do i determine im all good?

-Also how do i know if air bubbles are in the system, will it hurt the car or cooling system in any way?

mrbigjeep · October 3rd, 2011, 07:34 PM

if there is air in the system the car will over heat. not good.

sounds like the coolant was being pushed out of the radiator...i would put the cap back on, let the car cool a bit and then pull the cap and top it back off with coolant...

once you get heat inside the car it usually means the air is out...but i would take it for a short drive and keep a close eye on the temp guage because this isn't always the case

v6dave · October 3rd, 2011, 08:29 PM

Originally Posted by mrbigjeep

if there is air in the system the car will over heat. not good.

sounds like the coolant was being pushed out of the radiator...i would put the cap back on, let the car cool a bit and then pull the cap and top it back off with coolant...

once you get heat inside the car it usually means the air is out...but i would take it for a short drive and keep a close eye on the temp guage because this isn't always the case

well i think i got the air out, there was no overheating, heat works 100% I also drove for about 5 min and the temp gauge stayed exactly in the middle. Should i be good as long as i periodically check the levels?

mrbigjeep · October 3rd, 2011, 09:34 PM

should be fine. probably got the air out after you shut the car off and it cooled...

just make sure the radiator is full...

JustRight · October 3rd, 2011, 11:06 PM

I know this is going to sound crazy, but jack the front end up while purging the air---it helps.

October 3rd, 2011, 06:46 PM	#1
v6dave Regular 2001 Saleen S281 S/C Join Date: Dec 2010 Posts: 71 iTrader: 0 reviews	coolant question - how to determine system is filled and done heres what i did: -drained and flushed whole system -filled whole rad with coolant -ran car with heater on max w/o raditor cap for a few minutes. -car made some bubbles by radiator cap -large hoses seemed squishy and void of coolant -after a few minutes of running the car got to operating temperature and started atrociously spewing mass amounts of coolant out the radiator filler hole (cap was still off) -turned car off, because that's not good and it was making a mess My two questions: -So am i done? Do i just put the cap back on and drive? or did i put too much or too little in? how do i determine im all good? -Also how do i know if air bubbles are in the system, will it hurt the car or cooling system in any way? __________________ 2000 V6 Mustang (DD) 2001 Saleen S281 supercharged Last edited by v6dave; October 3rd, 2011 at 07:19 PM.

October 3rd, 2011, 07:34 PM	#2
mrbigjeep I Post Entirely Way Too Much 04 mustang gt 7.21 @ 98 Join Date: Apr 2008 Location: upstate sc Posts: 5,923 iTrader: 1 reviews	if there is air in the system the car will over heat. not good. sounds like the coolant was being pushed out of the radiator...i would put the cap back on, let the car cool a bit and then pull the cap and top it back off with coolant... once you get heat inside the car it usually means the air is out...but i would take it for a short drive and keep a close eye on the temp guage because this isn't always the case __________________ cams + 150 shot

October 3rd, 2011, 09:34 PM	#4
mrbigjeep I Post Entirely Way Too Much 04 mustang gt 7.21 @ 98 Join Date: Apr 2008 Location: upstate sc Posts: 5,923 iTrader: 1 reviews	should be fine. probably got the air out after you shut the car off and it cooled... just make sure the radiator is full... __________________ cams + 150 shot

October 3rd, 2011, 11:06 PM	#5
JustRight Premium Member 01 GT Conv Join Date: Nov 2009 Location: NW Fl Posts: 169 iTrader: 0 reviews	I know this is going to sound crazy, but jack the front end up while purging the air---it helps. __________________ Official member of the anti ethanol-laced gas crusade.

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