396375

I finally have everything together and the car runs I drained as much coolant as I could and plugged the heater lines at the water pump and the overflow bottle.I also plugged one of the nipples on the top of the rad on the passenger side.The other nipple is hooked up to the upper nipple on the overflow tank. I can't seem to get enough water back in the motor and it gets to 240 within about 5 minutes of running parked.The upper and lower rad hose are barely warm and I can touch the thermostat housing with out burning myself.I changed the thermostat and still the same thing.The car now has only one fan and it does not come on till 230-240.Before I did all this work the car never went over 220.I poured water into the upper rad hose from the rad end hoping to fill the block.It didn't take much.Did I screw things up by plugging the heater lines?
Thanks in advance.
Take care.

LCZ06

I assume you had to drain your coolant for the turbo install. Was the coolant system, “burped” correctly upon refill?

427fIc5z06

I've read that getting the radiator properly filled is tedious and time consuming. I ended up drilling a series of tiny holes (maybe 0.03") in the thermostat itself. Saw this tip in a LS1 hotrod book. Worked well for me.

396375

No it wasn't.Should I give it a good swift kick in the *** What is the procedure? I thought it would just keep pulling coolant from the tank till full.
Thanks.

Red C5

You may also want to make sure your fan is pulling air instead of pushing it through. Sounds simple but easy mistake to make. Don't ask me how I know.

vrybad

I've personally had no issues refilling a C5 cooling system.
Seems to refill just fine each time, no overheating issues.
I just refilled mine the other day, after the blowshield install(had to remove both turbos/manifolds) and no problems whatsoever.

Maybe it has something to do with the heater lines.
Good luck.

BLOWNZO6

I have done dozens of these and there are no issues.

Take the small hose off the cross over on top of the block, fill the overflow bottle until coolant comes out of the hose on the top of the block, put the hose back on, run the car. Check it the next day and top it off if you need to.

LCZ06

Good info

http://www.ehow.com/how_7369_burp-ca....html?ref=fuel

396375

You Da Man!I didn'y memorize your post and just went to the shop and found the crossover line.I pulled one line and added a small funnel.It took me about 30 miinutes:o to slowly add 1 ounce at a time.It drianed real slow ,but it worked.After firing the car up it never went over 200 degrees.Nothing was drawn out of the overflow.Hopefully when I drive it will take some more water from the tank.Now the whole system only has 1 gallon of dextron in it and half of that is in the overfow.
Thanks again.
Take care.