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2016 SILVERADO ENGINE SQUEAK??

Dwp_Silveraydo
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Dwp_Silveraydo Enthusiast

Dwp_Silveraydo

Posted
Posted

Truck started to make a squeaking noise this weekend, took it to the dealership on Monday. Dealership called Tuesday and said that they could not find anything wrong with the truck and that this sound is normal. Take a look at this video so that you can hear and understand what I am talking about.  https://youtu.be/aERzjGAX-aU

Does this sound normal to you guys? I also put water on the belt and the noise was persistent so it does not appear to be the belt. Any help would be greatly appreciated! 

loghead Enthusiast

loghead

Posted
Posted

WOW, Im thinking you need to take this to another dealer. That sounds quite obvious and no way that is normal. My last  2 trucks I had had over 200k and none of them had sounds that were that bad.

  • Like 2
dmorrisL86 Enthusiast

dmorrisL86

Posted
Posted

X2. Definitely not normal. Either the tech that inspected your truck was deaf, or they didn’t want to chase down the noise. 

  • Like 2
Eddie 70 Senior Enthusiast

Eddie 70

Posted
Posted

Take it back to the dealer and leave it idling while you go get the service writer and let him hear it. If he's anything other than an knucklehead he will know that is not a normal sound that your truck should make.

 

  • Like 1
17TXLTZ Enthusiast

17TXLTZ

Posted
Posted

My 2015 Sierra had that same exact issue...dealer also could "not" find anything wrong with it. At one point they even changed out the thermostat? Thinking that would address the issue. They knew there was an issue, otherwise why change the thermostat? But at the end, that dealer just chased me away telling me "you still have warranty, just drive the thing until something breaks." 

  • Like 1
wmgeorge64 Enthusiast

wmgeorge64

Posted
Posted

FYI  My friend who lives in FL has either a 2011 or 2012, no warranty and about 120,000 had a squeaking noise in the engine.  Both he and I listened and could really not hear the source. He took it to his trusted mechanic who after replacing the belt and checking all, found it was coming from internally inside the engine.   $6000 and a new crate engine later the noise was gone. He is happy with the new engine.

  • Like 1
GMC_SD_Ult_16 Enthusiast

GMC_SD_Ult_16

Posted
Posted

My engine had the exact same noise... Dealer heard the sound as well.. Left it with them for a week and they could not get it to repeat... Still no solution but it has not been making the noise recently at all.. I recorded it as well. Hope you find out something as I am nervous about how they will respond later after initial bumper to bumper is out.

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wmgeorge64 Enthusiast

wmgeorge64

Posted
Posted (edited)

In my friends case,  my guess is a bearing with low or no oil flow but  he was able to drive and get back home.  IF it was mine I would have had the old engine torn down enough to see what it was.

 

Added:  BUT his noise was not the same as video. It was a squeal like a bearing without lube.

Edited by wmgeorge64
  • Like 1
Eddie 70 Senior Enthusiast

Eddie 70

Posted
Posted

I want to guess that it might be an idler pulley or tensioner. Put a shot of lubricant on them and see if the noise quiets for a bit.

  • 11 months later...
Griffey519 New Member

Griffey519

Posted
Posted

Hello my truck just started doing this as well it’s a 2016 Sierra 5.3 with 23,000 miles i was doing some looking and saw this post. I was just wondering if you ever figured out what the problem was or what I need to do? Thanks in advance 

  • 2 months later...
badge171 Enthusiast

badge171

Posted
Posted

If you think its coming from the belt or the idler pulley . Pull the belt and start it to see if the noise is there !

 

Jaychevy81 Enthusiast

Jaychevy81

Posted
Posted

Just a thought do you guys have exhaust with flapper removed or tied open? My truck don’t sound like that but more of a cricket sound Dealer said it’s the after market exhaust from no restrictions on the exhaust. Not that I fully believe that but maybe so idk. Just a thought


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BigBadSierra Senior Enthusiast

BigBadSierra

Posted
Posted

I would check the idler pulley as Badge171 said. They are not to expensive to replace but they Will blowout all kinds of parts if it gives out.

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