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03-23-2008, 01:52 PM #1Newbie
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2000 Suburban Humming noise coming from front of the engine
I have 2000 Suburban LT 4x4, lately I've noticed a humming noise coming from the front of the engine somewhere in the fan or water pump. It gets louder if I rev the engine. Also I see a streak mark of coolant on the inside of the hood cover but its' dry though. I look at my Temp gage and it's normal.Not sure if anybody had this problem before. Help!!! The noise is driving e crazy.
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03-23-2008, 03:29 PM #2Moderator
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Welcome to the site! What state is Hillsboro in?
As far as your noise, could it be a fan clutch?Darcy
Washington State
2006 Silverado 2500HD LT3 4X4 CC SB Duramax LBZ
Tuff Country 6" lift, 35" Toyo M/T's on 20" Ultra Peacemaker wheels, Quadzilla Stealth2 programmer, Diamond Eye 5" cat-back exhaust, factory Special order color Yellow.
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03-23-2008, 05:37 PM #3Newbie
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Oregon about 15 minutes to Portland. It might be a fan clutch I will check again
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03-23-2008, 06:28 PM #4Moderator
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It could be a number of things but that is a start.
I live less than an hour away from Hillsboro. I live about 40 minutes North of Portland.Darcy
Washington State
2006 Silverado 2500HD LT3 4X4 CC SB Duramax LBZ
Tuff Country 6" lift, 35" Toyo M/T's on 20" Ultra Peacemaker wheels, Quadzilla Stealth2 programmer, Diamond Eye 5" cat-back exhaust, factory Special order color Yellow.
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03-23-2008, 06:44 PM #5Moderator
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Welcome to the site
It could be the pressure roll from the serpentine belt it's a common thingPeter Smet
Haasdonk, Belgium
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05-22-2008, 09:42 PM #6Newbie
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I recently replaced both belt tensoiners chasing a humming/growling noise which was belt driven on my 00 Suburban and still had the noise. After kicking myself for GUESSING I took a long screwdriver and found the noise to be coming from the water-pump. Installed a new one and changed the Dex-cool in the process and now have 2 new tensioners to boot! Hindsight.......
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05-25-2008, 12:15 AM #7Jr. Apprentice
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Originally Posted by jbf00sub
thats what I was about to say .. if theres coolant leaking from the front of the engine its almost always something to do with the water pump, unless hoses are leaking.. the pump goes faster as engine speed increases so that could be the noise your hearing... but if coolant gets on your belts it will make noise too'99 K2500 Suburban Vortec 7400
'00 k2500 Silverado Vortec 6000 ex. cab
'84 K5 Blazer 4x4 lifted (defunct)
'86 Dodge w250 4x4 lifted (also defunct)
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08-14-2008, 03:15 PM #8Newbie
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I finally fixed the problem it was the tensioner making noise. I was thinking was the water pump. Now everything is back to normal. Nice and quiet.
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