Quote:
Originally Posted by bruggz351
Ok, I am ready to replace the coolant ( Tap water  ) In my XJ. I have a bottle of NULON Ultra Cool concentrate, but I have come accross a cheap readymix that is eth/gly free. It has corrosion inhibitors, lubricants and rubber conditioners in it.
What are your thoughts?
So far, (touch wood) my cooling system has been performing well. ( It bloody well should )
cheers |
Wouldn't use anything but demineralised water myself. If you cannot get demineralised water at an auto store or a supermarket, use a premix coolant with eth/gly (and find another auto store
). If your system is performing so well, why compromise it? why not treat it to the good stuff? I know some brands sate you can use tap water, but why would you want to for the sake of $1 a litre?
Not sure what the "eth/gly free" coolant is you are talking about, but I wouldn't use anything but eth/gly in my XJ. No other reason than that is what the service manual calls for and I do not know what the effect of running a non eth/gly coolant would be on the system, somone else might be able to expand on this.
If you don't get
all the old eth/gly coolant out in it
entirety I would be worried about the chemical reactions I have heard so much about (some scream "truth" and others scream "myth", but I don't have the $$ to use my rig for R&D).