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Redapple 12-07-2019 09:39 PM

First Regen 730 miles
 
1 Attachment(s)
2019 GMC 3500 Denali sb srw

Delivered Nov 19th 2019

First regen at approx 730 miles. Lasted 15 miles.

So far Def still shows OK
Oil filter life at 90%
File filter life at 95%
Current mileage 745

31 engine hours
12 idle hours (got it with 102 miles and 8.5 idle hours)

This thing is a towing beast
Not sure I am a fan of the digital steering, seems a bit squirrelly to me.
Other than that, I am totally loving this truckAttachment 268879

grindstone01 12-08-2019 08:33 AM

I have a 2018 Duramax with 15k miles on it and I can't tell when it does a regen at all. It must be using the DEF, cause I need to fill it every 2.5k miles when towing. When the DEF low light comes on, you have about a 100 miles left to tow.
If you want to protect that painted bumper, consider having the bumper clear vinyl wrapped for about $300. Also put a guard over the lower transmission cooler opening.https://i5.walmartimages.com/asr/2b1...d&odnBg=ffffff

NevadaNick 12-08-2019 09:18 AM

I have a 2018 GMC and can tell when its in regen because of the elevated idle at stops. I put a 2 1/2 gal jug of def in when it says 1000 mi left and can get 2 jugs in when its at the 300 mi warning. I have 40k mi on mine.

grindstone01 12-08-2019 12:45 PM

Quote:

Originally Posted by NevadaNick (Post 5067446)
I have a 2018 GMC and can tell when its in regen because of the elevated idle at stops. I put a 2 1/2 gal jug of def in when it says 1000 mi left and can get 2 jugs in when its at the 300 mi warning. I have 40k mi on mine.


That could be why I don't notice the regen. I only use my truck for towing the camper and it's usually 300 mi days when it does move with very little stopping involved.

Redapple 12-08-2019 04:36 PM

Quote:

Originally Posted by grindstone01 (Post 5067386)
I have a 2018 Duramax with 15k miles on it and I can't tell when it does a regen at all. It must be using the DEF, cause I need to fill it every 2.5k miles when towing. When the DEF low light comes on, you have about a 100 miles left to tow.
If you want to protect that painted bumper, consider having the bumper clear vinyl wrapped for about $300. Also put a guard over the lower transmission cooler opening.https://i5.walmartimages.com/asr/2b1...d&odnBg=ffffff

Thanks. Will look into the clear wrap and the guard for the cooler, definitely exposed.

Redapple 12-08-2019 04:39 PM

Quote:

Originally Posted by NevadaNick (Post 5067446)
I have a 2018 GMC and can tell when its in regen because of the elevated idle at stops. I put a 2 1/2 gal jug of def in when it says 1000 mi left and can get 2 jugs in when its at the 300 mi warning. I have 40k mi on mine.

Yes, elevated idle is quite pronounced. Mine was running between 800 and 850, 150 -200 rpm above normal.

I have been reading about such a huge variation in regens and DEF usage.

Thanks

NevadaNick 12-09-2019 05:55 PM

A lot of variables that lead up to regen. Best thing is just drive and enjoy.

Redapple 12-09-2019 07:20 PM

Quote:

Originally Posted by NevadaNick (Post 5069325)
A lot of variables that lead up to regen. Best thing is just drive and enjoy.

Absolutely, totally loving this truck. Jury is out on the digital steering though.

grindstone01 12-09-2019 07:41 PM

Quote:

Originally Posted by Redapple (Post 5069429)
Absolutely, totally loving this truck. Jury is out on the digital steering though.


I believe its a digital steering assist system.
https://www.gmc.com/gmc-life/trucks/...-assist-system

Redapple 12-23-2019 06:20 PM

Just got the def 30% message. Stated 982 miles left. Message came at 832 miles.

grindstone01 12-23-2019 06:35 PM

Quote:

Originally Posted by Redapple (Post 5084831)
Just got the def 30% message. Stated 982 miles left. Message came at 832 miles.


Your DEF tank must have been less than 1/4 full from the dealer. With your included oil change from the dealer, they will only put in 1, 2-1/2 gallon jug max.

NevadaNick 12-23-2019 07:04 PM

When i get the 1000 mi msg i put in 2 1/2 gal jug, if i forget and it gets to the 300 mi msg i can put in 5 gal.

Redapple 12-23-2019 07:08 PM

Quote:

Originally Posted by grindstone01 (Post 5084844)
Your DEF tank must have been less than 1/4 full from the dealer. With your included oil change from the dealer, they will only put in 1, 2-1/2 gallon jug max.

Could be, it did show ok. Is the gauge reading automatic when filled?

Will add after Christmas and let you know.

NevadaNick 12-23-2019 08:04 PM

Yes the gauge is automatic, nothing to reset.


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