2017 EGR filter ?

[BarryG]

I am coming up on my second egr filter maintenance for my 2017. I know the manual says nothing about cleaning the system just replace the filter. However has anyone torn into it and found that the rest of the should be cleaned, was just fine etc. don’t want tear into for no reason if it doesn’t need it. Can I trust Ram’s maintenance schedule on this?

 

[gsbrockman]

IMO.....yes....you can trust the maintenance schedule.

I owned a 2014 3500 w/362k miles....never cleaned the EGR.

My 2018 4500 is at 208k....same deal.

 

[Cummins12V98]

I would think as you are racking up the miles the filter would be fine. Grocery getter may be different.

 

[jhenderson]

I would think as you are racking up the miles the filter would be fine. Grocery getter may be different.

He’s talking about the ccv filter. There is no egr filter.

 

[Cummins12V98]

He’s talking about the ccv filter. There is no egr filter.

Maybe miss worded but IMHO no need to clean EGR, just replace CCV filter since he does NOT drive it only to get Groceries.

 

[jacknife]

At sixty thousand screen says service engine or something similar . It is the Crankcase Ventilation Filter . easy install buy it on line . There is no such thing as an EGR filter , just a Diesel Particulate filter

 

[BarryG]

Ok, my mistake on the name of the filter.

Let me restate the question do I need to clean the EGR system in addition to just replacing the CCV filter? Which yes is easy to do have already done it once getting close to time to do it again.

I realize the manual says you do not need to clean the egr system but looking for some real world feedback on others who have some miles racked up and whether they did clean it or not and if they did did they really need to do it or was it heck yeah it was filthy.

 

[Cummins12V98]

NO!

 

[Newsa]

I would think as you are racking up the miles the filter would be fine. Grocery getter may be different.

Actually, there is no egr until the engine gets good and hot. So, a grocery getter would have a much cleaner filter. EGR is done for several reasons. One of those is to cool the beast down (cylinder temps)

 

[Cummins12V98]

Actually, there is no egr until the engine gets good and hot. So, a grocery getter would have a much cleaner filter. EGR is done for several reasons. One of those is to cool the beast down (cylinder temps)

Interesting. What do you think he should do?

 

[Newsa]

Interesting. What do you think he should do?

Follow the maintenance schedule. I did mine at somewhere between 41,000 and 42,000 miles. Because that was 54 months (4 1/2 yrs). If I remember correctly the maintenance schedule says 54 months or 67,500 miles?

I'm sure my EVIC warning will tell me to change it in 1000 miles b/c I am at 66,500 miles (6 1/2 years). There was no way to reset the counter. I will reset it and keep driving. Will probably change at 85,000 miles or close to 9 years

 

[RVTRKN]

The first 6.7's need the EGR cooler and related equipment cleaned out every 67.5K miles, at that time the CCV filter is due. However, I did mine at 50K and it was filthy. I do have a cleaning kit from Geno's, for the early EGR system if anyone wants it, I'm sure the shipping won't cost me to much. Its better than throwing it away. I will perform the EGR cooler and related equipment as well as the CCV filter at 50K miles on my 2019, regardless of the schedule. After all the crap I cleaned out of the EGR on my C&C, it'll be a good idea to check my new 2019 at 50K.

Here is the kit I'll give away, BUT it does not have the CCV filter, I bought the kit W/O, which I didn't see on Geno's site.

https://www.genosgarage.com/product...ter-egrkit1/exhaust-gas-recirculation-service

I didn't see a kit for regular pickups, only the C&C kit's for the 13-18 6.7's.

https://www.genosgarage.com/product...ilter-egr3a/exhaust-gas-recirculation-service. Read "About this product" it'll explain alot.

 

[AH64ID]

Actually, there is no egr until the engine gets good and hot.

Where did you get that info?

My CTS shows EGR position and doesn’t agree with your statement.

 

[Newsa]

Where did you get that info?

My CTS shows EGR position and doesn’t agree with your statement.

I just researched it and discovered that the EGR can open at idle too. Does it open when cold?

 

[Newsa]

https://www.samarins.com/glossary/egr.html

This might be more for gas engines than diesels? Which means I may have been wrong.
Diesel EGR can open at idle because diesels run air rich and it reduces oxygen. Don't know why it would open when it is trying to get warm tho

" The EGR valve is normally closed. It's also closed when the engine is cold, at idle, or under hard acceleration. The EGR flow is at its peak during steady cruising."

 

[JR]

Yes. It helps to improve combustion and decreases soot on a cold engine compared to using none. Diesels operate best when warm and the EGR is used to help achieve this when cold. VW's early EGR on the ALH diesel engines used a little too much requiring frequent cleanings. It's best not to cold idle those engines any longer than necessary.

 

[Newsa]

Yes. It helps to improve combustion and decreases soot on a cold engine compared to using none. Diesels operate best when warm and the EGR is used to help achieve this when cold. VW's early EGR on the ALH diesel engines used a little too much requiring frequent cleanings. It's best not to cold idle those engines any longer than necessary.

Does make sense. Does the EGR cooler only really cool when the engine is putting out really super hot exhaust?

For example, when ambient is zero or subzero, seems like that (EGR cooler with cold coolant in it) would really cool the exhaust gas? And defeat the purpose of heating the engine?

 

[AH64ID]

I just researched it and discovered that the EGR can open at idle too. Does it open when cold?

Absolutely.

Does make sense. Does the EGR cooler only really cool when the engine is putting out really super hot exhaust?

For example, when ambient is zero or subzero, seems like that (EGR cooler with cold coolant in it) would really cool the exhaust gas? And defeat the purpose of heating the engine?

The EGR cooler is always cooling. No way to bypass or regulate it.

The coolant is the same temp as the block, not the radiator. Even at idle exhaust temp is normally 400° or higher, but maybe as low as 250° under some circumstances.. you don’t want the intake much above 150° so it has to be cooled heavily. From what I have seen the IAT runs in the 115° range quite often.

The only time I’ve noticed very reduced EGR use is during a regen, and that will drop IAT’s down to ambient temp.

 

[Newsa]

Absolutely.



The EGR cooler is always cooling. No way to bypass or regulate it.

The coolant is the same temp as the block, not the radiator. Even at idle exhaust temp is normally 400° or higher, but maybe as low as 250° under some circumstances.. you don’t want the intake much above 150° so it has to be cooled heavily. From what I have seen the IAT runs in the 115° range quite often.

The only time I’ve noticed very reduced EGR use is during a regen, and that will drop IAT’s down to ambient temp.

Ah, yes. The purpose of EGR cooler when engine is cold is to warm the block a bit (& maybe cool the gas a bit?). The purpose of EGR cooler when engine is hott is to cool the gas.

I just assumed that the gas would cool in it's somewhat long path between the exhaust manifold and EGR valve when both engine & ambient temps are cold.

 

[Cummins12V98]

"Which means I may have been wrong."

Say it ain't so Ethyl