2020 GMC 3L diesel

[Cableguy]

Throw some pepper in it
That will seal er up quick

 

[rsaint]

Throw some pepper in it
That will seal er up quick

If it wasn't on warranty and getting rid of it for sure.

 

[06 Dragon]

Heater core leak? Some dodge Cummins had this problem.

 

[rsaint]

Heater core leak? Some dodge Cummins had this problem.

No smell in cab

 

[bcjeepr]

Some guy said, he extended the coolant tank relief hose to the front of his truck, cured it for him . But may not help if parked in an Garage ?

 

[rsaint]

Some guy said, he extended the coolant tank relief hose to the front of his truck, cured it for him . But may not help if parked in an Garage ?

For sure need it fixed proper, was his same truck

 

[SUMMIT TREE]

If concerned about the overflow possibly spitting just occasionally maybe try draining .5-1 litres from the rad. Give it more room to expand before it actually pukes out.

But I suppose with dye that should be fairly obvious if that was happening.

And if it isn’t using coolant…. Huh. Weird

 

[rsaint]

If concerned about the overflow possibly spitting just occasionally maybe try draining .5-1 litres from the rad. Give it more room to expand before it actually pukes out.

But I suppose with dye that should be fairly obvious if that was happening.

And if it isn’t using coolant…. Huh. Weird

With not leaving evidence of a leak but just a whisper of a smell it's going to take sometime to use any.

 

[tex78]

GM doesn't work that way, trust me I've been there.

GM will not provide a loaner vehicle until there is a diagnosed issue with the vehicle, if the mechanics can't find a leak there is no issue in GMs eyes and no loaner will be provided.


The problem with these small GM diesels is the small numbers of them that are sold, the mechanics aren't used to working on them and don't yet know the common trouble points to look towards. The big diesels usually get better service because at any given time there is guaranteed to be one in the service bay, the mechanics simply get more experience on them and understand where the common failure points are.

Oh, believe me I've worked on enough of the 3.0 l lol

Done this job twice now lol

 

[bcjeepr]

Oh, believe me I've worked on enough of the 3.0 l lol

Done this job twice now lol View attachment 249188View attachment 249189

Been thinking of getting one , what is your opinion so far?

 

[rsaint]

Been thinking of getting one , what is your opinion so far?

Love the truck and motor summer mileage 35-37 mpg, that was to Kelowna and back, Whitecourt to Slave pulling 4500lb boat 16mpg, this is in a gmc denali short box,

 

[rsaint]

Oh, believe me I've worked on enough of the 3.0 l lol

Done this job twice now lol View attachment 249188View attachment 249189

What was the issue, they have replaced our complete exhaust system because of something in a filter.

 

[tex78]

What was the issue, they have replaced our complete exhaust system because of something in a filter.

Yes that's the scr-dpf filter

One big chunk of awesomeness

Wasn't cleaning properly

 

[tex78]

Been thinking of getting one , what is your opinion so far?

Well being a tech


I own a 08 duramax deleted, not a new one lol

If that says alot , I like to make it to where going