Does anyone know of any places where I can mail in a sample of my antifreeze to test the additive and protection levels? For that matter, has anyone done that on a regular basis? I assume a full service truck center could do that, but I live out in the boondocks and the nearest full service truck center is over 100 miles away, so I don't want to drive all that far just to get my antifreeze tested. And heavy duty diesel approved antifreeze/coolant is $10.00 per gallon at my local mini truck stop, so I don't want to spend $50+ to drain and refill my system just because I haven't tested my old coolant.
A couple of important points I found while researching DIESEL antifreeze/coolants on the web:
1. Not all antifreeze/coolants are the same. DO NOT use regular automotive antifreeze/coolants (i.e., Prestone, Wally World antifreeze, etc.) in a diesel! Use ONLY an antifreeze/coolant that specifies on the label that it is approved for HEAVY DUTY diesel applications. Diesel engines require low silicate levels and specific additives to provide pitting and wet sleeve liner cavitation protection which automotive antifreeze/coolants do not provide!
2. Use only soft or deionized water when mixing with diesel antifreeze/coolants. Hard water contains minerals which will react with the special diesel additives and negate the additional protection you paid all those extra bucks to get!
3. Properly maintained heavy duty diesel antifreeze/coolants can be good for up to 1,000,000 miles, 12,000 operating hours, or 6 years of protection, whichever comes first (depending on the brand used)!
4. Diesel SCAs (supplemental coolant additives) are available (I guess at the same truck stop that tests your antifreeze/coolant) to bring the corrosion, pitting, and liner cavitation protection up to specifications if your additive level has fallen during use.
For more info, see:
http://www.imperialoil.ca/Canada-English/Files/Products_Lubes/IOCAENCVLESEsso_coolant_antifreeze.pdf
https://www.cbest.chevron.com/generated/MSDS/PDS7660219.PDF
http://www.penray.com/coolantguide/
http://www.penray.com/hdcatalog/teststrips.htm
A couple of important points I found while researching DIESEL antifreeze/coolants on the web:
1. Not all antifreeze/coolants are the same. DO NOT use regular automotive antifreeze/coolants (i.e., Prestone, Wally World antifreeze, etc.) in a diesel! Use ONLY an antifreeze/coolant that specifies on the label that it is approved for HEAVY DUTY diesel applications. Diesel engines require low silicate levels and specific additives to provide pitting and wet sleeve liner cavitation protection which automotive antifreeze/coolants do not provide!
2. Use only soft or deionized water when mixing with diesel antifreeze/coolants. Hard water contains minerals which will react with the special diesel additives and negate the additional protection you paid all those extra bucks to get!
3. Properly maintained heavy duty diesel antifreeze/coolants can be good for up to 1,000,000 miles, 12,000 operating hours, or 6 years of protection, whichever comes first (depending on the brand used)!
4. Diesel SCAs (supplemental coolant additives) are available (I guess at the same truck stop that tests your antifreeze/coolant) to bring the corrosion, pitting, and liner cavitation protection up to specifications if your additive level has fallen during use.
For more info, see:
http://www.imperialoil.ca/Canada-English/Files/Products_Lubes/IOCAENCVLESEsso_coolant_antifreeze.pdf
https://www.cbest.chevron.com/generated/MSDS/PDS7660219.PDF
http://www.penray.com/coolantguide/
http://www.penray.com/hdcatalog/teststrips.htm