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Dealership won't honor re-tune for GM CAI, help?

nino
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nino Enthusiast

nino

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Posted

I’m sorry I worded this poorly,

 

I installed the gm Cai MYSELF, then brought the truck over to the dealership for a RE-TUNE.

 

the dealership is trying to charge me for the re-tune

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TJay74
TJay74

Your tech friend is fully wrong in this case. The calibration that GM updates with the GM CAI modifies and changes the MAF scale and corrects the AFR for when the truck is in Open Loop during WOT. The

J-man67
J-man67

Ouuu this one adds visual appeal to the engine bay with a performance oriented style. You spent 700.00 for something that looks like a performance mod? Ouch! Sent from my SM-N975U using Tapatalk

Black02Silverado
Black02Silverado

I have the GM CAI on my 6.2.  I'm going to get this filter from AMSOIL and see how it fits.  If so then this will be my replacement filter.  The price listed is the retail price.  Anyone wanting to ge

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Black02Silverado Senior Enthusiast

Black02Silverado

Posted
Posted
39 minutes ago, nino said:

This is what I’m saying, I installed it myself and brought to dealership for re-tune, should be covered right ? 

Yes, as long as you have the code for them that came with the CAI,  They will use that to update the computer and charge GM.

  • Like 1
fatwhiteboy Enthusiast

fatwhiteboy

Posted
Posted
On ‎10‎/‎20‎/‎2019 at 2:55 PM, nino said:

I’m sorry I worded this poorly,

 

I installed the gm Cai MYSELF, then brought the truck over to the dealership for a RE-TUNE.

 

the dealership is trying to charge me for the re-tune

I installed mine also.  I took the truck in yesterday.  Took the dealer about an hour because they were busy.  Showed them my paperwork from where I bought it and no charge, no problems.  The billing number they use is on your paperwork.  I really did not notice any improved throttle response but the idle is smoother.  FYI the speed limiter on the 6.2L is set at 112MPH, have to find a way around that.  No tuners out there yet.

rbrjr1 Enthusiast

rbrjr1

Posted
Posted (edited)

I purchased mine from a re-seller I guess.. there's no labor code on any of my paperwork..

 

how much are  y'all being charged?

 

my technician buddy doesn't live in my state..

Edited by rbrjr1
L86 All Terrain Senior Enthusiast

L86 All Terrain

Posted
Posted
4 hours ago, fatwhiteboy said:

I installed mine also.  I took the truck in yesterday.  Took the dealer about an hour because they were busy.  Showed them my paperwork from where I bought it and no charge, no problems.  The billing number they use is on your paperwork.  I really did not notice any improved throttle response but the idle is smoother.  FYI the speed limiter on the 6.2L is set at 112MPH, have to find a way around that.  No tuners out there yet.

Please purchase a custom driveshaft first. They are the weak-link and the reason for the speed limiter, that and OEM tire ratings. Many K2 guys found this out the hard way.

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fatwhiteboy Enthusiast

fatwhiteboy

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Posted
2 hours ago, L86 All Terrain said:

Please purchase a custom driveshaft first. They are the weak-link and the reason for the speed limiter, that and OEM tire ratings. Many K2 guys found this out the hard way.

Interesting, I did not know that and did not have any issues with the aluminum driveshaft on my 2015 K2.  Most of the speed limiter are set due to tire speed rating plus a truck really has no business going that fast.  With that said, it was pulling real hard until the rev limiter cut the engine down. I love this new 6.2L engine.

  • 1 year later...
Julio13 Enthusiast

Julio13

Posted
Posted
On 10/25/2019 at 12:12 PM, rbrjr1 said:

I purchased mine from a re-seller I guess.. there's no labor code on any of my paperwork..

 

how much are  y'all being charged?

 

my technician buddy doesn't live in my state..

We’re you able to get it done I’m about to do the same 

blckblt Enthusiast

blckblt

Posted
Posted
On 10/25/2019 at 11:57 AM, fatwhiteboy said:

I installed mine also.  I took the truck in yesterday.  Took the dealer about an hour because they were busy.  Showed them my paperwork from where I bought it and no charge, no problems.  The billing number they use is on your paperwork.  I really did not notice any improved throttle response but the idle is smoother.  FYI the speed limiter on the 6.2L is set at 112MPH, have to find a way around that.  No tuners out there yet.

You speed is limited to the tires that shipped with the truck.  My 6.2 is limited to 98 (TB with duratracs).

MaverickZ71 Senior Enthusiast

MaverickZ71

Posted
Posted
1 hour ago, blckblt said:

You speed is limited to the tires that shipped with the truck.  My 6.2 is limited to 98 (TB with duratracs).

Right, but they must apply some unknown GM formula also, to give themselves a big pad on prospective warranty claims.  My last new Z71 was governed to 96mph which was 86% of the capability of it's "S" (112mph) rated Dueler A/T's.  

Transient Senior Enthusiast

Transient

Posted
Posted
You speed is limited to the tires that shipped with the truck.  My 6.2 is limited to 98 (TB with duratracs).
If you hit the speed limiter at wide open throttle it'll throw you forward in your seat because of the sudden stop in acceleration. Been there, done that.

Sent from my SM-N960U using Tapatalk

blckblt Enthusiast

blckblt

Posted
Posted
On 1/26/2021 at 4:49 PM, MaverickZ71 said:

Right, but they must apply some unknown GM formula also, to give themselves a big pad on prospective warranty claims.  My last new Z71 was governed to 96mph which was 86% of the capability of it's "S" (112mph) rated Dueler A/T's.  

I don't know of anything other than the tire rating.  The duratracs (according to goodyear website) that come on the TB/AT4 have a speed rating of 99.

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