Wild one
Senior Member
- Joined
- Jan 17, 2016
- Posts
- 18,446
- Reaction score
- 36,996
- Ram Year
- 14 Sport
- Engine
- 5.7
If his theory about the EGR breaking down the anti-freeze is on the money,i think i'd seriously be looking at deleting the EGR on my Cummins or 6.4 truck. 1 heater core replacement,would pay for the unlocked PCM and tune on a 6.4 truck![]()
Cutting apart a heater core to see why the customer had no heat! 2017 Ram 6.7 Cummins
Today we cut apart a heater core out of a 2017 Ram 2500 6.7 cummins to see why after we flushed it twice we still couldn't get any heat from the heater core....youtu.be
Interesting video on the 4th gen heater core and why they plug up. I've noticed its more common on the Cummins trucks than the Hemi trucks and the EGR cooler may be why. Plus most people don't change their coolant unless they need to open the cooling system.
The 6.4 truck Hemi runs hot as well, the stock tstat is like something like 212* I believe and running that hot all the time is probably breaking down the coolant quicker.
Seeing as there's no reliable 180* tstats for the 5.7 that also have the plunger on the bottom to close off the recirc passage anymore, I think I'm going to do yearly rad drain/fills along with a heater core flush every other year after seeing this. I do NOT want to take my 12 year old plastic dash apart if I don't have to and it's so easy to do a drain/fill on these trucks.
@BurtShaver
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