Anti-freeze question - The 1947 - Present Chevrolet & GMC Truck Message Board Network

wwotr · 08-31-2009, 10:29 PM

Old scool here.

I learned in HS Auto Shop that after your drained/changerd your Anti-Freeze that you ran the engine long enough to open the Thermostat and you turned the Heater on and run it for about 5 minutes, and then check the level again and top off (or almost up to the bottom of the Filler Neck).
I hadent checked my Anti Freeze sine my Mechanic put in a New Thermostat, Hoses, and changed it.
When I looked, it was about 4" below the Filler Neck.
So I slowley topped it of to about a 1/2" below it.

I'm assuming thats the "rule of thumb" and if I put too much in, it'll just go out the overflow tube...correct?

Roger
"RATIKLE"

08-31-2009, 10:29 PM	#1
wwotr Registered User Join Date: Jan 2005 Location: Clearlake Oaks CA Posts: 1,716	Anti-freeze question Old scool here. I learned in HS Auto Shop that after your drained/changerd your Anti-Freeze that you ran the engine long enough to open the Thermostat and you turned the Heater on and run it for about 5 minutes, and then check the level again and top off (or almost up to the bottom of the Filler Neck). I hadent checked my Anti Freeze sine my Mechanic put in a New Thermostat, Hoses, and changed it. When I looked, it was about 4" below the Filler Neck. So I slowley topped it of to about a 1/2" below it. I'm assuming thats the "rule of thumb" and if I put too much in, it'll just go out the overflow tube...correct? Roger "RATIKLE" __________________ Hello members... I'd like you to know that I sold, my 72 GMC (Ratikle), back in November of 2011. I don't visit the site much anymore, but please feel free, to drop me a private message. RIP...."RATIKLE"

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