|John_PA said: (quoted from post at 02:29:07 07/18/13) to answer the original post.|
Yes, you need it. It doesn't mater how old, you should do it.
Try Napa. They have diesel coolant that has it in it. Just buy that. You are good.
Otherwise, you would worry about it.
Too generic! Even if the coolant has it in it, it becomes depleted - unless it's ELC. This post was edited by Larry NCKS at 00:44:03 07/18/13.