Coolant Mixed ? I think I screwed up !

Rmorgan711 · #1 (**permalink**) 02-21-2011, 01:30 PM

I was low on coolant , using the Prestone ELC GREEN Colored , buddy came over and had a jug of Zerex EC1 so he offered to top it off , I said OK and started doing other Maint. on truck ....looked over and it is RED !!
put in about 1/2 gal......guess I gotta flush it out ??? or will it be OK ? I heard it might gel up ..sure as hell dont want that !

pizza pig · #2 (**permalink**) 02-21-2011, 01:40 PM

FLUSH IT, you want only the red ELC with no silicates

Rmorgan711 · #3 (**permalink**) 02-21-2011, 01:45 PM

Both are silicate free , I could only find the Prestone Borate/silicate free when I did my egr delete and its Green , the Red he gave me is Cat EC1 rated ..still need to Flush ??

Rmorgan711 · #4 (**permalink**) 02-21-2011, 02:06 PM

well after some digging on internet , I guess I will just flush it and be safe !! more money !! LOL

**PGreenSVT** · #5 (**permalink**) 02-22-2011, 12:22 PM

We all tell you guys use a Cat EC-1 rated ELC. That green stuff is not ready for a diesel.

Rmorgan711 · #6 (**permalink**) 02-22-2011, 12:26 PM

yep ...just flushed it out again and bought some EC1 this time , I used the green cause it was silicate free and all that was availible at the time..NAPA got me 4gal. in today of the Cat EC1 :-)

fordfan30 · #7 (**permalink**) 02-22-2011, 01:09 PM

I wonder why you were low to begin

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