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steve841 Enthusiast

steve841

Posted
Posted

It's a 6.2 .. .If I recall I was towing a small trailer at the time.

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Grumpy Bear
Grumpy Bear

My 2015 always showed 210 F. I removed the 207 thermostat and installed a 180 F. Still reads 210 F. 

econometrics
econometrics

#WorthIt ???

OnTheReel
OnTheReel

I think we tried to pattern what trucks got them in a thread a few months ago and I never made any sense out of it. My 6.2 doesn’t have them. Thought it was because of NHT but then someone else with a

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AMPRG Enthusiast

AMPRG

Posted
Posted
5 minutes ago, steve841 said:

It's a 6.2 .. .If I recall I was towing a small trailer at the time.

Read this:

http://gmauthority.com/blog/gm/general-motors-technology/gm-aerodynamics-technology/gm-active-aero-shutters-technology/

May be this is the reason. Look at your PRO codes and see if you have VTI in there. 

I think you should be OK. It won't hurt if you check with the dealer too. 

OnTheReel Senior Enthusiast

OnTheReel

Posted
Posted

Yeah, wonder if you have the shutters. Mine doesn’t and my temp sure as hell doesn’t do that.

AMPRG Enthusiast

AMPRG

Posted
Posted
Just now, UGADawgs said:

My build sheet shows I have them:

 

 

IMG_20190505_203222.jpg

Then how does your temp gage dance? 

UGADawgs Enthusiast

UGADawgs

Posted
Posted
2 minutes ago, AMPRG said:

Then how does your temp gage dance? 

Doesn't. Starts cold (65-80), goes up to 210 pretty fast, within a couple minutes, and then stays there. 

AMPRG Enthusiast

AMPRG

Posted
Posted
1 hour ago, UGADawgs said:

Doesn't. Starts cold (65-80), goes up to 210 pretty fast, within a couple minutes, and then stays there. 

I checked mine. I don't have code VTI. Mine takes forever to reach 180. It sounds like VTI is for mainly 6.2L and some 5.3L Z71 packages. 

In southern California I prefer not to have it ?

OnTheReel Senior Enthusiast

OnTheReel

Posted
Posted
18 minutes ago, AMPRG said:

I checked mine. I don't have code VTI. Mine takes forever to reach 180. It sounds like VTI is for mainly 6.2L and some 5.3L Z71 packages. 

In southern California I prefer not to have it ?

I think we tried to pattern what trucks got them in a thread a few months ago and I never made any sense out of it. My 6.2 doesn’t have them. Thought it was because of NHT but then someone else with a non-NHT 6.2 also didn’t have them but another did. I’m fine without because it’s just another thing to malfunction.

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bowtie2007 Enthusiast

bowtie2007

Posted
Posted

Mine stays around 200 unless I'm towing. When towing 7000lbs, it fluctuates as shown above. It goes to about 220, then drops to about 200. That pattern continues the entire time I'm towing. I have the 6.2 with 10 speed.

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Smoothie Enthusiast

Smoothie

Posted
Posted

I checked mine and it stays at the line before 210,  so I am guessing that is around 200 or so.  It is a 6.2 and I have the shutters.

econometrics Senior Enthusiast

econometrics

Posted
Posted
On 5/5/2019 at 11:14 AM, AMPRG said:

Read this:

http://gmauthority.com/blog/gm/general-motors-technology/gm-aerodynamics-technology/gm-active-aero-shutters-technology/

May be this is the reason. Look at your PRO codes and see if you have VTI in there. 

I think you should be OK. It won't hurt if you check with the dealer too. 

I just got my build sheet from the "[email protected]" folks. Very friendly! 

 

I have VTI on my 5.3L DFM RST. Didn't realize that! 

  • Like 1
AMPRG Enthusiast

AMPRG

Posted
Posted
12 minutes ago, econometrics said:

I just got my build sheet from the "[email protected]" folks. Very friendly! 

 

I have VTI on my 5.3L DFM RST. Didn't realize that! 

You can also scan the QR code on the door (driver side). It will list the RPO codes along with the VIN. 

econometrics Senior Enthusiast

econometrics

Posted
Posted
Just now, AMPRG said:

You can also scan the QR code on the door (driver side). It will list the RPO codes along with the VIN. 

Thanks! Didn't realize that. I tried scanning it with my iPhone, but it didn't read it. 

AMPRG Enthusiast

AMPRG

Posted
Posted
11 minutes ago, AMPRG said:

You can also scan the QR code on the door (driver side). It will list the RPO codes along with the VIN. 

 

10 minutes ago, econometrics said:

Thanks! Didn't realize that. I tried scanning it with my iPhone, but it didn't read it. 

My truck has 2 QR codes. The big one is the VIN only, and the small one includes VIN and RPO codes. I had to install a 3rd party free app on my Samsung phone to be able to read the codes. 

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