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2019 GMC Elevation 5.3 L84 engine lifter issues

RobZ

By RobZ
in Troubleshooting, Warranty & Recalls

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RobZ Enthusiast

RobZ

Posted
Posted

I just want to update and confirm these lifter issues are a real problem. At 25000 miles I had the check engine light intermittently turn on with engine misfire and rough shifting. Had the dealer look at it three times, first time they reported cylinder miss #4, reset codes. Second time back same problems and codes, they replace the spark plug. Third time same problems they replaced the lifter, solenoid and wire harness for DFM. Truck ran good until now 67000 miles, same problems, 1st visit dealer changed spark plug, 2nd visit dealer changed intake manifold, 3rd visit, they still have it changing lifters, piston and ring in #3 cylinder. That seems like a major amount of work, I do not know if the engine has to be removed to take the oil pan out to get the piston out?

Dealer has been great suppling loaner car each time and covering under warranty. I always changed the oil at recommended intervals with proper oil. I am really worried about longevity of this motor. I see that Michigan motors has a DFM delete kit that has standard lifters and plugs for the DFM solenoids.

Here is the link: https://www.michiganmotorsports.com/camshafts-michigan-motorsports/dod-afm-delete-kits/2019-l84-5-3-dfm-lifter-delete-kit-dod-afm-5-3l-gen-v-kit/

 

I asked the dealer about this and they said one of their employees installed this and blew the motor. This is even more alarming. Has anybody had similar experiences and has anybody installed the DFM delete kit?

I had a 2004 2500 Duramax (LLY) that I traded in for this truck, it had 275000 miles and I had to replace one injector. Wish I never got rid of it. 

SeekAndDestroy Enthusiast

SeekAndDestroy

Posted
Posted
12 hours ago, RobZ said:

one of their employees installed this and blew the motor. This is even more alarming. Has anybody had similar experiences and has anybody installed the DFM delete kit?


Sounds like bologna to me. They are just trying to scare you. Ask to talk to that employee, they’ll give you the run around, because it is not true. Yes they have to pull the engine to change the piston. 
 

I blew the cam in my 2018 because of a bad lifter at 55000 km. They replaced it and the lifters under warranty. The day I got it back I disabled AFM with HP tuners. At 65000 km I installed an aftermarket cam and LS7 lifters with the DOD delete kit. Best thing I have ever done to the truck. 5000k and going strong. For 1 mpg savings AFM/DFM is laughable and a total nightmare. 
 

I say do the DOD delete, your truck will run and drive way better. And no more worries about the hand grenade lifters floating around in there. 

RobZ Enthusiast

RobZ

Posted
  • Author
Posted
18 hours ago, TonyBoss said:

What’s the cost of the DOD delete?

$443 for parts labor not included. I sent them an e-mail waiting on response.

  • 1 year later...
diyer2 Senior Enthusiast

diyer2

Posted
Posted

How about some details Jamies? Miles? Oil changes? 

Jamies New Member

Jamies

Posted
Posted

145k I don’t know about the previous owner, but I change mine every 4000. The two places that checked it said the lifters were knocking.

Bikerjon Enthusiast

Bikerjon

Posted
Posted
On 10/30/2022 at 7:40 AM, RobZ said:

$443 for parts labor not included. I sent them an e-mail waiting on response.

Hey RobZ did you ever do the DFM delete? If so, and if you don't mind. How much did it cost?

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