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Mysterious Antifreeze loss

Lord Thor

New Member
Jul 8, 2019
5
4
Truck Year
2016
After I had the emissions recall done, I have started loosing (invisibly) about a 1/4" of antifreeze about every 80 miles. Nothing is visible externally after searching around the engine compartment and transmission (even with engine hot and running). No oil loss or increase, no problem with power. No discoloration or residuals in antifreeze plastic container. Any ideas would be very helpful, Thanks - Lord Thor
 

John Jensen

Well-Known Member
Mar 22, 2016
840
416
Truck Year
2016
Yep, EGR cooler
 

cds13ca

Active Member
Jun 19, 2019
216
76
Truck Year
2016
Easiest way to tell is remove egr diffuser tube (4 bolts, 2 10mm, 2x8mm). The tip of it (inside the intake) is supposed to be dry black soot. If it's wet black soot, like tar, molasses, it's your egr cooler. That's how my dealer showed me in under 5 min. He said it's supposed to be dry, you can blow it off. If it's wet goo that you can scrap off with a screwdriver, that's yoru cooler leaking.
 

Lord Thor

New Member
Jul 8, 2019
5
4
Truck Year
2016
Took the truck to the dealer since the EGR Cooler falls under the extended emissions warranty. They had another truck in the shop for the same thing, a cracked EGR Cooler. The truck was fixed in 6 hours today and the engine idle is even smoother. Great advice fellow members. Thanks
 

John

Well-Known Member
Nov 13, 2015
1,186
386
Took the truck to the dealer since the EGR Cooler falls under the extended emissions warranty. They had another truck in the shop for the same thing, a cracked EGR Cooler. The truck was fixed in 6 hours today and the engine idle is even smoother. Great advice fellow members. Thanks
That's what we like to hear
 
Dec 14, 2015
81
35
Truck Year
2015
I received the a notice 10/31/2019 from NHTSA about the coolant leak. FCA will be releasing a recall notice.
 

Attachments

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