2013 GMC Terrain AWD 3.6 V6 - Whining Noise, sounds like a supercharger? - SRXForum.net: Cadillac SRX Forum
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post #1 of 39 (permalink) Old 02-19-2017, 06:09 PM Thread Starter
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2013 GMC Terrain AWD 3.6 V6 - Whining Noise, sounds like a supercharger?

Hello,

Been lurking on these forums for quite a while now, first post. Unfortunately it isn't exactly a positive one, but love my vehicle other than this small problem.

Anyways, purchased a used 2013 GMC Terrain SLE-2 AWD V6, and fell in love with it. Bought it with 65,000 km, from a VW Dealership Cerified pre owned.

I love the vehicle and how it handles, and expect it to last me for years. However, one thing that drives me nuts...when I accelerate, there is a whining noise coming from the engine compartment. The best way to describe it: Sounds like a supercharger. The pitch of the whine changes with the speed of the engine. The pitch gets higher as I go through the rev ranges. Drowns out when on the highway.

Took it back to dealer I bought it from, and they took it to a tech that apparently "knows GM Vehicles".

He can hear the sound just like myself, but thinks it's normal. Two other techs there say they can't hear it at all.

At idle or sitting in gear, there is no sign of the sound. The sound happens in gear and in park/neutral when hitting the gas.

Honestly, I'm at a loss. Transmission shifts fine, no power steering loss, no loss of engine power...everything is pretty much fine except that sound. It's going to GM on Tuesday under the VWs tab, so that's nice I guess. But just want to see what I'm dealing with.

The noise is extremely noticeable and turns heads when I accelerate. It's actually embarrassing. It's been there since I purchased it.

Thanks in advance for any input!
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post #2 of 39 (permalink) Old 02-19-2017, 06:17 PM
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Re: 2013 GMC Terrain AWD 3.6 V6 - Whining Noise, sounds like a supercharger?

Quote:
Originally Posted by kellmike626
Hello,

Been lurking on these forums for quite a while now, first post. Unfortunately it isn't exactly a positive one, but love my vehicle other than this small problem.

Anyways, purchased a used 2013 GMC Terrain SLE-2 AWD V6, and fell in love with it. Bought it with 65,000 km, from a VW Dealership Cerified pre owned.

I love the vehicle and how it handles, and expect it to last me for years. However, one thing that drives me nuts...when I accelerate, there is a whining noise coming from the engine compartment. The best way to describe it: Sounds like a supercharger. The pitch of the whine changes with the speed of the engine. The pitch gets higher as I go through the rev ranges. Drowns out when on the highway.

Took it back to dealer I bought it from, and they took it to a tech that apparently "knows GM Vehicles".

He can hear the sound just like myself, but thinks it's normal. Two other techs there say they can't hear it at all.

At idle or sitting in gear, there is no sign of the sound. The sound happens in gear and in park/neutral when hitting the gas.

Honestly, I'm at a loss. Transmission shifts fine, no power steering loss, no loss of engine power...everything is pretty much fine except that sound. It's going to GM on Tuesday under the VWs tab, so that's nice I guess. But just want to see what I'm dealing with.

The noise is extremely noticeable and turns heads when I accelerate. It's actually embarrassing. It's been there since I purchased it.

Thanks in advance for any input!
Gotta ask, bc I see this alot, what made you buy a GMC from a VW dealer?(not being rude with this comment) but the sales men/techs I would assume would not know much about this vehicle. Did you go to a VW dealer thinking of buy a VW car but this GMC caught your eye? I'm just asking bc if I wanted to buy a GMC, I would go to a GMC dealer.

Blue 2010 Terrain SLE-1 I4 FWD
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post #3 of 39 (permalink) Old 02-19-2017, 06:20 PM
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Re: 2013 GMC Terrain AWD 3.6 V6 - Whining Noise, sounds like a supercharger?

You car is a 2013, so it has 1 more year of warranty. Take it to the GM dealer and anything engine related will be covered.

Blue 2010 Terrain SLE-1 I4 FWD
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post #4 of 39 (permalink) Old 02-19-2017, 06:28 PM Thread Starter
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Re: 2013 GMC Terrain AWD 3.6 V6 - Whining Noise, sounds like a supercharger?

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Originally Posted by Nick24
Gotta ask, bc I see this alot, what made you buy a GMC from a VW dealer?(not being rude with this comment) but the sales men/techs I would assume would not know much about this vehicle. Did you go to a VW dealer thinking of buy a VW car but this GMC caught your eye? I'm just asking bc if I wanted to buy a GMC, I would go to a GMC dealer.
No worries!

I had been looking for a while. All the GM dealerships I've gone to didn't have the package I wanted. I wanted a 2013+ Terrain or Equinox with the 3.6 and AWD. Happened to drive by the VW dealership after leaving the other GM dealership and seen this one. It fit everything I wanted, so I took it.

I know the VW techs work on VW vehicles primarily, and wasn't expecting them to crack anything open and to investigate much into it.. The Terrain i bought is out of Bumper-Bumper Warranty so they offered to get it fixed if GM found the problem and it wouldn't be covered under Powertrain...since from my understanding, power steering is one component that isn't. And that was one of my first shots in the dark.

So it's going to the dealership Tuesday to see what's wrong, but want to see if anybody else had this issue and what it took to fix.
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post #5 of 39 (permalink) Old 02-19-2017, 06:35 PM
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Re: 2013 GMC Terrain AWD 3.6 V6 - Whining Noise, sounds like a supercharger?

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Originally Posted by kellmike626
No worries!

I had been looking for a while. All the GM dealerships I've gone to didn't have the package I wanted. I wanted a 2013+ Terrain or Equinox with the 3.6 and AWD. Happened to drive by the VW dealership after leaving the other GM dealership and seen this one. It fit everything I wanted, so I took it.

I know the VW techs work on VW vehicles primarily, and wasn't expecting them to crack anything open and to investigate much into it.. The Terrain i bought is out of Bumper-Bumper Warranty so they offered to get it fixed if GM found the problem and it wouldn't be covered under Powertrain...since from my understanding, power steering is one component that isn't. And that was one of my first shots in the dark.

So it's going to the dealership Tuesday to see what's wrong, but want to see if anybody else had this issue and what it took to fix.
Doesnt a new car come with 5 year warrenty? Yours is a 2013, right? So 2018 is when its expired. Maybe thats just in Canada.

As for the power steering, I got a letter for extended warrenty, I toook it in, showed GM the letter and they fixed it, the steering was vert stiff

Blue 2010 Terrain SLE-1 I4 FWD
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post #6 of 39 (permalink) Old 02-19-2017, 06:55 PM
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Re: 2013 GMC Terrain AWD 3.6 V6 - Whining Noise, sounds like a supercharger?

Whine from rear of AWD. . probably the rear differential.. . not good.




<br />2015 Equinox LTZ 3.6L FWD Champagne Silver Metallic *Build Date 1-08-2015&nbsp; * * 20,300 miles
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post #7 of 39 (permalink) Old 02-19-2017, 07:18 PM
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Re: 2013 GMC Terrain AWD 3.6 V6 - Whining Noise, sounds like a supercharger?

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Originally Posted by JayT2014
Whine from rear of AWD. . probably the rear differential.. . not good.



Good old Front Wheel Drive

Blue 2010 Terrain SLE-1 I4 FWD
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post #8 of 39 (permalink) Old 02-19-2017, 08:32 PM
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Re: 2013 GMC Terrain AWD 3.6 V6 - Whining Noise, sounds like a supercharger?

Quote:
Originally Posted by JayT2014
Whine from rear of AWD. . probably the rear differential.. . not good.



He said it happens when in park, and its coming from the front, so def not the rear differential.

If you want to try and diagnose the noise yourself, you can take the serpentine belt off and start the engine to see if the noise is still there. If it is, then its an engine noise and not an accessory noise. Of course, this will make your computer very angry and throw a bunch of codes since the alternator isn't charging, but it wont hurt anything. Just don't run it for too long.

2013 SLT-2 6cyl AWD - Current Daily
2011 SLE-1 4cyl FWD - Drove for 2 years, sold 6/17
2013 Denali 6cyl AWD Fire Damage - Parted out
2012 SLE-1 4cyl AWD Lease - Turned back in 3/16
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post #9 of 39 (permalink) Old 02-19-2017, 08:55 PM Thread Starter
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Re: 2013 GMC Terrain AWD 3.6 V6 - Whining Noise, sounds like a supercharger?

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Originally Posted by AfterhoursFab
He said it happens when in park, and its coming from the front, so def not the rear differential.

If you want to try and diagnose the noise yourself, you can take the serpentine belt off and start the engine to see if the noise is still there. If it is, then its an engine noise and not an accessory noise. Of course, this will make your computer very angry and throw a bunch of codes since the alternator isn't charging, but it wont hurt anything. Just don't run it for too long.
Yup. Happens when in Neutral, Park, Drive, etc. Ruled out the differential and Transfer Case. Transmission shifts fine and doesn't have any issues engaging or staying in gears. Don't believe it's that.

Beginning to think it's either the Power Steering or an accessory... whether it's the alternator, idler pulley, who knows. It sounds more like it is coming from the passenger side.

Gonna see if I can get the belt pulled off tomorrow. If not, I can do it when/if the dealer doesn't find anything when I get the vehicle back.
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post #10 of 39 (permalink) Old 02-19-2017, 09:10 PM
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Re: 2013 GMC Terrain AWD 3.6 V6 - Whining Noise, sounds like a supercharger?

Quote:
Originally Posted by kellmike626
Yup. Happens when in Neutral, Park, Drive, etc. Ruled out the differential and Transfer Case. Transmission shifts fine and doesn't have any issues engaging or staying in gears. Don't believe it's that.

Beginning to think it's either the Power Steering or an accessory... whether it's the alternator, idler pulley, who knows. It sounds more like it is coming from the passenger side.

Gonna see if I can get the belt pulled off tomorrow. If not, I can do it when/if the dealer doesn't find anything when I get the vehicle back.
Is it Hydrolic or electric power steering? Like I said before, there was a extended warrenty for power steering

Blue 2010 Terrain SLE-1 I4 FWD
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