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Squeak when throttle is applied

Jeremy Ecker
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brwk Enthusiast

brwk

Posted
Posted

Grease wont help on the outside, too hot. Plus the inside you cant get to.

  • 3 weeks later...
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Jeremy Ecker
Jeremy Ecker

I have contacted corporate about this. It is getting on my last nerve. I hate driving around the city or even on the highway and when I go to hit the gas it sounds like a piece of garbage car squeakin

kevaviation30
kevaviation30

With all due respect Patsy G, the dealers aren't helpful at all. I've already refunded my extended warranty because they won't fix anything on my truck unless it's on fire and shooting fireworks into

Jeremy Ecker
Jeremy Ecker

I just noticed one difference between my dads truck and mine. I have the 3.08 rear axle and he has the 3.42. Could that make any sort of huge difference?

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jessefoster8 New Member

jessefoster8

Posted
Posted

There exhaust is crap, I honestly don't know why that gm service people even reply to this forum. They don't do a thing about it either.

 

 

Sent from my iPhone using Tapatalk

  • Like 1
rlembeck New Member

rlembeck

Posted
Posted

I just started getting the same squak at 7500 miles, this is bs. Also my radio screen messes up from time to time. Going to bring it to the dealer but I'm sure I'll get no where with them. Also my paint is chipping and they say it's normal wear on the truck from stones, more chips in 2015 then I had in my 2012 which was 3 yrs old!

  • 5 weeks later...
IrvingLLC New Member

IrvingLLC

Posted
Posted

My brand new 2015 Sierra does this too! I called the dealership and they said, "that's just the truck, nothing we can or will do about it" ARE YOU SERIOUS? this is the first brand new vehicle I have ever bought and I paid a lot for it, and you are telling me you recognize that there is a problem and that you will do NOTHING about it? Come on GM do something about this!

stevev Enthusiast

stevev

Posted
Posted

For local driving, just drive around in M5 mode and it will lock out the V4/AFM mode and thus no more V4 to V8 flapper valve squeak. I finally just tried that this week and the shifts seem better too and less clunking.

cato Enthusiast

cato

Posted
Posted

So I just got a 2015 silverado with the 5.3 V8 in it.. I have 600 miles on it and have been noticing that whenever I give it a quick little tap of acceleration I hear this squeak noise. A quick little "squeak". I also notice it when I am coming to a stop and then hit the gas again theres this squeak. Also when I am turning and hit the gas I hear it. I do not think I am crazy, and it is not a very loud glass shattering squeak but it is there. Has anyone else had this issue or heard of it? Thanks!!

 

I have the squeak also.

  • 2 weeks later...
stevelo26 New Member

stevelo26

Posted
Posted

2015 GMC Sierra SLT Double Cab

 

I have 2800 miles on my truck, and I love it...except for the squeak...thanks to these forums I identified the problem, wired up a solution to keep the flapper valve open, and no longer have the squeak. Called the dealer to see if this would cause any long term side effects, and he asked that I bring it in to take care of it...very nice and helpful on the phone...but tried to discredit the forum by stating that "you can't trust what you read on the forums"...but the forum correctly identified the problem (on the first try), provided a work around for testing, and proved to be the correct solution, is what I told him. I am sure that they deal with people all day long that read about problem "X", and it doesn't end up being the problem at all...However, I asked my service guy what else it could be now that I don't have a squeak...my appt with the service dept is in an hour...can't wait to hear what they have to say.

Scout Abaco Enthusiast

Scout Abaco

Posted
Posted

I am now on my 3rd exhaust (factory original, the a replacement, now this new one) being installed today. This has been an issue since 3,000 miles. On the first exhaust, I guess the flapper valve would actually remain shut, causing me to get horrible gas mileage as well. The second was only in about 2K miles before it started again. I'm at about 8K miles.

  • 4 weeks later...
Greystoke Enthusiast

Greystoke

Posted
Posted

2015 GMC Sierra SLT Double Cab

 

I have 2800 miles on my truck, and I love it...except for the squeak...thanks to these forums I identified the problem, wired up a solution to keep the flapper valve open, and no longer have the squeak. Called the dealer to see if this would cause any long term side effects, and he asked that I bring it in to take care of it...very nice and helpful on the phone...but tried to discredit the forum by stating that "you can't trust what you read on the forums"...but the forum correctly identified the problem (on the first try), provided a work around for testing, and proved to be the correct solution, is what I told him. I am sure that they deal with people all day long that read about problem "X", and it doesn't end up being the problem at all...However, I asked my service guy what else it could be now that I don't have a squeak...my appt with the service dept is in an hour...can't wait to hear what they have to say.

 

Stevelo and Scout,

 

What was the result of your exhaust system replacements? Any further issue with the chirp?

 

Grey

stevelo26 New Member

stevelo26

Posted
Posted

 

Stevelo and Scout,

 

What was the result of your exhaust system replacements? Any further issue with the chirp?

 

Grey

Hello, stevelo26 here...forgot to follow up with dealer resolution to the squeak....Dealed installed a pair of hose clamps to keep the valve open...I said: "really?"

  • 1 month later...
Adisabeba33 New Member

Adisabeba33

Posted
Posted

Hello everyone!

 

I have 2015 Chevy Suburban. 5.3L engine. Recently I faced with annoying thing while driving my truck. When the engine switches from V4 to V8 mode it makes some creaking, squeaking, some sort of short noise which looks like two pieces of metal have been hit of each other. It became very annoying because the engines switches the mode very offen in this year models. Every time the engine mode switches it makes that noise. It already made me feel like I drive horse coach but not brand new 2015 Chevy suburban. I just came to dealership and explained them everything. The guy already told me that it is normal that engine makes a noise. I told him that this is not the noise which is normal for usual engine working condition. I believe that vehicle value of which is about 65000$ shouldn't be working like that. If somebody have ever faced similar issue with their trucks please let me know what do you know about it. Relying only on dealership's mechanical knowledge is not very good experience. Any help from you will be much appreciated. Thanks

  • 8 months later...
unknown78 Enthusiast

unknown78

Posted
Posted (edited)

Mine is in there for this now. Its been a week. They have replaced the exhaust, lifters, and now a cam shaft is on order.

Edited by v2500guy
  • 1 month later...
wtchevy15 New Member

wtchevy15

Posted
Posted

Had the same thing. My truck would squeal/chirp when it was in v4. Sound was completely random but would normally occur at lower rpm and would stop once back in v8. I recorded the sound and sent the clip to the dealership and they said it sounded like water in the exhaust???? I don't think so. At that point I already had the adapter valve pinned open which did not make a difference. I decided to replace the exhaust with aftermarket and not go to the dealership every week just to hear they could not replicate the issue. The new exhaust solved the problem.

  • 2 weeks later...
ShamrockShooter Senior Enthusiast

ShamrockShooter

Posted
Posted

I had the same squeak. Above 2000 rpms and when you get on the gas after coasting I get a chirp. I clamped it open and it went away like others said but I could hear the drone noise in v4. I will mention to dealer at first oil change. Also I noticed a small weep hole on the bottom of the muffler and the whole area is covered in black soot after 3,000 miles. Is that normal?

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