Community Forums

cdinatl · 10-14-2015, 07:00 PM

Had a Cummins mechanic out to replace a couple seals today, and was telling me their is an EGR bi pass kit that removes the EGR. Said they do it on a lot of the big 18 wheel rigs. Has anyone heard of doing this?

"life happens, enjoy it".. 🇺🇸
2008 HR Ambassador DP 360 38'

Duoglide1 · 10-14-2015, 07:30 PM

I've googled problems with the ISX and it's taken me to a guy named Rawze (I think) who shows a lot of guys how to do the bypass. One thing I noted is in many cases it does light the CEL light but does not cause a derate. I've yet to talk to someone who's actually done it.

2007 Monaco Executive 45' 525 ISX

1bigmess · 10-14-2015, 07:37 PM

If it ain't broke,...

mojoracing · 10-15-2015, 05:13 AM

They do it on ford 6.0 all the time. From what I understand, silicates in the antifreeze form and clog the egr cooler. Their are several kits available for the ford or you can add a coolant filter to solve the problem. Not sure if its same issue on cummings. If it was Im sure i would have heard about it from my son as we sold the ford and bought a dodge. On the big boys, I haven't a clue.

mojoracing · 10-15-2015, 05:18 AM

I just read that the isc has a coolant filter so that would preclude silicates developing in the coolant. Not sure if the coolant issue is the same reason you would want to bypass the egr.