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8 Posts
Hi All,
going to be draining my coolant system next week to do some “EGR work” 👀 and figured I’d try to address something else I’d read about. Recently saw some videos about 17+ models installing a low-temp high-flow thermostat in the primary cooling system to correct high EOT and ECT problems. I’m in a 2015 and tow a 10k camper up/down mountains in some pretty hot places. It hasn’t been a HUGE issue, bu I do have to be conscious of how much I’m asking the truck to do. It’ll creep into the 230+ range, kicking the fan on if it reaches 240 as designed. As I understand, these newer thermostats are for the primary cooling system on 17+ but will fit an 11-16 primary system as well. In my attempts to research, searches only want to direct me to the primary system on the 17+ instead of detailing the operation of our secondary system on the 11-16.
I say all of that to pose these questions...does changing the primary thermostat on 11-16 do nothing for EOT and associated ECT? If it doesn’t, is there an option out there for a secondary system thermostat which is also”low-temp high-flow”?
going to be draining my coolant system next week to do some “EGR work” 👀 and figured I’d try to address something else I’d read about. Recently saw some videos about 17+ models installing a low-temp high-flow thermostat in the primary cooling system to correct high EOT and ECT problems. I’m in a 2015 and tow a 10k camper up/down mountains in some pretty hot places. It hasn’t been a HUGE issue, bu I do have to be conscious of how much I’m asking the truck to do. It’ll creep into the 230+ range, kicking the fan on if it reaches 240 as designed. As I understand, these newer thermostats are for the primary cooling system on 17+ but will fit an 11-16 primary system as well. In my attempts to research, searches only want to direct me to the primary system on the 17+ instead of detailing the operation of our secondary system on the 11-16.
I say all of that to pose these questions...does changing the primary thermostat on 11-16 do nothing for EOT and associated ECT? If it doesn’t, is there an option out there for a secondary system thermostat which is also”low-temp high-flow”?
