az57chevy Posted December 14, 2016 Share Posted December 14, 2016 Want to swap out my coolant so got some Dex Cool and distilled water. Pulled up onto some ramps and after several attempts got the drain plug to turn 90 degrees counterclockwise But nothing comes out!! I rotated the plug several times and even removed the overflow tank cap to no avail! I tried pulling the plus towards the rear and don't see any difference. My fading memory suggests I had a similar problem the last time I tried draining the coolant. What am I missing? I'm guessing the extended tangs as shown in the horizontal position is when it is closed? Link to comment Share on other sites More sharing options...
TheCMSH Posted December 15, 2016 Share Posted December 15, 2016 Well.....sounds like you're doing it correctly (I believe) but it can be a two-handed procedure. I used a 1/4" racheting screwdriver. To remove, rotate left a quarter turn-ish while gently prying out with a chisel or the like. I think they are known to marry up to the side tank some and you definitely need to open the system. I replaced with the Dorman piece which is a thumb turn removal Link to comment Share on other sites More sharing options...
az57chevy Posted December 15, 2016 Author Share Posted December 15, 2016 Apparently a little spray of WD-40 was the convincer. Of course I had sheared off the pin on the side so O'Reilly's was an easy fix for that Dorman part. Now I just need to recycle the old coolant, which was actually pretty clear and clean Link to comment Share on other sites More sharing options...
Desertdawg Posted December 15, 2016 Share Posted December 15, 2016 What .... are we supposed to change that stuff ???? Link to comment Share on other sites More sharing options...
az57chevy Posted December 16, 2016 Author Share Posted December 16, 2016 Naw, YOU can just keep buying new Corvettes instead. Beware the Polar Vortex is coming! Link to comment Share on other sites More sharing options...
TheCMSH Posted December 16, 2016 Share Posted December 16, 2016 On a computer somewhere I have that same picture Glad it worked out. Link to comment Share on other sites More sharing options...
Guest badbobs95 Posted December 16, 2016 Share Posted December 16, 2016 You get an "at-a-boy" now you do-it-yourselfer" Link to comment Share on other sites More sharing options...
az57chevy Posted December 17, 2016 Author Share Posted December 17, 2016 and it only took two days and one trip to the parts counter! Link to comment Share on other sites More sharing options...
Chameleon Posted December 19, 2016 Share Posted December 19, 2016 One demerit for failing to point in your pic. Link to comment Share on other sites More sharing options...
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