Thread: coolent was mixed, what to do?

yeah its full of diaper poo

prestone neglected system flush, water, and an open schedule for 2-3 days.

if you have a compressor and can backblow your can be just fine, if not youll likely still be fine but its possible you already have a clogged/partially clogged radiator. though sometimes you can clear it a bit by removing thermostat and doing a redneck tuneup for a mile or two and get the WP to try and push out some crud.

if temps hold just fine after a few dousings youll probably be fine, but i typically recomend the radiator when its 100k+ since likely soon the plastic tank will break, and a clogged/broken/leaking radiator can **** up the motor. i love motors, dont ****up a motor, its not nice

Flush it, use a hose in the rad & T stat hole. I had a similar finding when I got mine & that procedure cleared everything out.

I present to you the scottydoggs coolant flush technique

how to flush the coolant.


remove the t stat, put the t stat housing back on, take the upper hose off the radiator, then push it down to the ground to a bucket or let it fly.


get your garden hose out, put it in the rad turn it on, then fire up the car, let it run till clear water pumps out the top hose.


then turn the hose off, run the car till no more water comes out the upper hose. then turn it off.


put your t stat back in, with new gasket, the upper hose back on.


now take 1 gallon of full strength green antifreeze, not the 50/50 crap. ( parts store cheap green is fine to use) dump the whole gallon in the radiator, fire up the car, fill the rad with hose water till its full. top as needed till its ready to be bled of air. it will burp and take coolant as the water in the block warms up the t stat opens up for a few seconds till cold coolant hits it and it shuts again.


now to bleed the air out, let it idle rad cap off till the fans turn on, (when the fans are on the temp is over 195 deg, the t stat is wide open) then open the bleeder screw on top the t stat housing a few turns till a steady stream of coolant comes out the hole, shut the screw, top off the rad. cap it.


done.

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