Compression Ignition Addict
Join Date: May 2007
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Can an ELC flush and switch be potentially bad?
I've not found the answers to these questions so I apologize if they've been answered elsewhere.
If a system is in unknown shape with Ford gold coolant...and a person decides to flush with Restore and Restore plus, then refill using ELC coolant, what can the drawbacks be?
Will the Restore process actually dissolve any solids or goo that may be blocking or trapped in the oil cooler...thus making the cooler clear again? Or will it cause the cooler to become more blocked with stuff broken up elsewhere?
If the EOT and ECT are within spec with gold...it would seem to indicate the oil cooler is not blocked. How many find that later an oil cooler has to be replaced?
I ask because its not at all clear to me that a Restore flush will rid the entire system of goo or crud buildup in the cooler. If you're breaking stuff loose and flowing it thru the cooler during flushing...you're creating a bigger problem. Kinda like poking an animal in its cage so to speak.
You might end up with a coolant that is better suited to this engine...but also with a blocked oil cooler that ultimately provides the path for other terrible things to happen.
Is it best to go ahead and plan on a new oil cooler and pre-oil cooler filter just after the flush is completed and the new ELC put in?
I don't like the pics I've seen of blocked oil coolers. It seems the Restore process isn't going to dissolve and flush out whats really the problem. Unless I'm way off. Ford service says once the cooler is blocked...no flush nor any chemicals will help.