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07-12-2018, 10:15 PM
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#1 |
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Registered User
 
Join Date: Jun 2011
Location: Bradenton, Fla.
Posts: 1,100
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A strange interior gear sound.. Huh?
I sold my great old '88 C2500 a few months ago. Almost 400,000 miles, I knew everything about it....
With my 'new to me' MINT 2005 Yukon XL SLT, ...There is a weird noise somewhere in the front interior. It sounds once in a while,.. and it almost seems it appears after a slight bump in the road (?).... I heard it about 5 times in a half hour......the other day. A gear noise. Sort of from an electric motor? I can't make out exactly where it is yet, but it may be low in the cab. Any thoughts?
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'70 GTO Midnight Blue '88 GMC Sierra SLE 392,000 miles-(2018) sold to Classic car shop in Germany. '93 Cadillac STS Black '93 Mercedes SL 500 Teal '86 Yamaha FZ750 - 15,000 RPM '86 Yamaha FJ1200 - Criminally Fast 2016 Ferrari 488 GTB, I drive it - don't own it. '05 GMC Yukon XL , SLT 4wd ( just purchased 2018) |
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07-13-2018, 02:36 PM
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#2 |
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Senior Member
 
Join Date: Sep 2005
Location: Lewisville, Nc
Posts: 10,238
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Re: A strange interior gear sound.. Huh?
it is problay one of the blend door motors going bad very common on these trucks
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David fuller Ase Certified Mechanic Click here to help support our board!! 1971 Chevy c-10 under going a 4.8l LSx swap Build Thread http://67-72chevytrucks.com/vboard/s...d.php?t=421305 2007 Honda Accord my daily 145kmiles 2002 Honda Accord 4 door With 330k(sisters car) 2005 toyota Avalon 228k( brothers car) 2002 Sububran 5.3 245k 2000 Tahoe 5.3l 378 General manager for Marco's Carwash & lube |
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07-13-2018, 03:25 PM
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#3 | |
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Registered User
Join Date: Jun 2011
Location: Bradenton, Fla.
Posts: 1,100
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Re: A strange interior gear sound.. Huh?
Quote:
__________________
'70 GTO Midnight Blue '88 GMC Sierra SLE 392,000 miles-(2018) sold to Classic car shop in Germany. '93 Cadillac STS Black '93 Mercedes SL 500 Teal '86 Yamaha FZ750 - 15,000 RPM '86 Yamaha FJ1200 - Criminally Fast 2016 Ferrari 488 GTB, I drive it - don't own it. '05 GMC Yukon XL , SLT 4wd ( just purchased 2018) |
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07-14-2018, 10:02 AM
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#4 |
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Registered User
Join Date: Dec 2010
Location: konawa ok/oakdale Ca.
Posts: 1,652
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Re: A strange interior gear sound.. Huh?
Would an 02 have a blend door activator?Mine has been doing for about two years.Sounds like a cell phone buzzing under the dash.
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07-14-2018, 11:21 AM
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#5 |
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Registered User
Join Date: Jun 2004
Location: El Lago, TX
Posts: 1,668
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Re: A strange interior gear sound.. Huh?
My wife has a 2014 Cadillac CTS and some kind of blend door actuator went out last year. Thank God it was still under warranty because they had to take out the entire dash to fix it! I hope the trucks aren’t that bad. We also have a 2012 Yukon, but no problems with it so far.
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07-17-2018, 10:59 AM
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#6 |
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1962 C-10
Join Date: Apr 2005
Location: Las Vegas, New Mexico
Posts: 4,978
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Re: A strange interior gear sound.. Huh?
On my old 2004, I used to go up just a hair, like 1/8" on the temperature control and it would stop the thumping noise without affecting the temp of the A/C.
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Joseph Chavez  "See the USA in a Chevrolet!!" ......................_____ .........________//__{\_____ ,,,,,,,/__(O)___//___/__(O)_/ 1962 C10 Shortbed Fleetside 327/th350 GV overdrive 1974 C10 Longbed Fleetside 350/th350 "The Trash Truck" 1999 Chevy 2500 OBS, Longbed 5.7/4L80E 4x4 2015 GMC Sierra SLE 1500 4x4 |
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