Danny2tek

iTrader: (1)

Thats how I did it with no problems

keliente

iTrader: (22)

Sounds like you just had a bleeding issue. Get the air out and you can fill it up no problems without overheating. Bleed from the crossover tube right beneath the intake manifold to the right of the TB.

Quickin

MY god, all this air bubble talk is hilarious.

If your T-Stat is opening like it should you cannot have an air bubble anywhere if it opens and flows just one time for about 1 minute.

Take your t-stat off and put it in a pot of boiling water and see if it works before you waste any more time.

Or, take the t-stat housing off, take the t-stat out and put the housing back on and start the engine and let it run for a minute. Topping it off with coolant as you watch it flow, when its topped off.THATS IT!!! ZERO air bubbles. Put the t-stat back in, start the engine and wait for it to open and flow, top it off again and you're done.


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Starion

iTrader: (5)

I think the primary problem you're having here is trying to fill it from the overflow. The best way to bleed air at this point other than what keliente suggested is:

Open the radiator cap. Fill the radiator to the top and start the motor. While it's running add coolant making sure to keep the radiator as full as possible (You can actually watch the air working its way out of the system with bubbles). When the radiator fills to the top and it won't take anymore coolant go ahead and put the cap on. Let it run as long as you aren't overheating. You can then shut it off and wait for it to cool down and then remove the radiator cap to check the coolant level.

At this point if the car is running at normal temp just check it in the morning before you drive it each day for a few days to make sure the radiator is full. Top it off as necessary.

99 H.O.S.S.

I was going to try this myself but it sounds like I need to just go to the shop and let them do it.

Quickin

Its easy to do man. These types of threads make it sound like a horror show.



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JR HAWK 9

iTrader: (3)

if you park with the front of your car pointing uphill it will help with the air bubble issue.

MrEddie

On some cars, the overflow is the only point to add coolant, and it is pressurized. On the LS1, the overflow is not pressurized, and so you need to add to the radiator directly, which is a quicker process I think. Doing a coolant change from the reservoir on a LS1 would be virtually impossible I would think.

ghardester

I'm getting ready to do mine within the next month. Found this thread.


https://ls1tech.com/forums/general-maintenance-repairs/742800-coolant-flush-my-procedure-correct.html

Flawless02SS

iTrader: (9)

Yeah it just air in the system. Theres nothing to it. A lot of people think you cant have the rat. cap off of a running car. As long as your top hose has no pressure and can be pressed down with your hand, the cap can be removed with no issues.

99 H.O.S.S.

Your right, they do make it seem like it the worst things to do yourself.