My 2004 DSDP was 3 years old when I changed my coolant.
I couldn't find the full strength Final Charge in my area, just the 50/50 mix. It seemed a bit pricey to pay for 50% water.
I called Cummins, customer service, to see if I could go with Prestone 5 year/50,000 mile and distilled water. They said no problem. The one thing they said was to add the DCA with each gallon, instead of dumping it in all at one time.
I spliced a flush kit into one of the heater hoses, flushed it, changed the coolant filter. I have the strips and check it every 4 months.
I intend on changing the coolant every 3 years.
I do the filter every year.
I was told that the packet in the filter only takes a short time to get into the coolant, they didn't seem to think it was slow release.
Tom
Tom
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Tom, Pat and Buster (the Boston terrier)
2004 DSDP 3807, 370HP Spartan
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