Gear noise normal in 4Hi? - The 1947 - Present Chevrolet & GMC Truck Message Board Network

Big_Ed · 12-04-2006, 09:59 PM

My 97 GMC K1500 has the electronically switched tranfer case. It goes into and comes out of 4Hi pretty quietly, but I noticed that when in 4Hi, there's some gear noise, kinda like an old school bus, especially when I let off the gas. No clunking or anything, I'm just wondering if that's normal to hear the gears whine a bit.
Thanks.

Big_Ed · 12-10-2006, 07:09 PM

Anyone?

62 short step · 12-10-2006, 07:37 PM

I have a 98 z71 and I dont recall hearing any noise on mine.

61burb · 12-27-2006, 11:15 PM

our 98 z71 dosnt make any noise in 4x4, the only one that does that is my 63 4x4 suburban.

Hoods69BadBowTie · 12-29-2006, 07:18 PM

My blazer makes a little noise in 4x4 but not really noticeable unless you pay close attention. Can you describe the sound any better. I am thinking of a couple different noises that a school bus would make. Is it just the sound of it being in 4 wheel drive instead of 2?

Truck Hippy · 01-05-2007, 07:56 PM

I have a 95' k2500 and it makes the skool bus sound in 4-hi. Always has.

12-04-2006, 09:59 PM	#1
Big_Ed Registered User Join Date: Oct 2006 Location: Illinois Posts: 62	Gear noise normal in 4Hi? My 97 GMC K1500 has the electronically switched tranfer case. It goes into and comes out of 4Hi pretty quietly, but I noticed that when in 4Hi, there's some gear noise, kinda like an old school bus, especially when I let off the gas. No clunking or anything, I'm just wondering if that's normal to hear the gears whine a bit. Thanks.

12-10-2006, 07:09 PM	#2
Big_Ed Registered User Join Date: Oct 2006 Location: Illinois Posts: 62	Re: Gear noise normal in 4Hi? Anyone?

12-10-2006, 07:37 PM	#3
62 short step Senior Member Join Date: Aug 2005 Location: Greenwell Springs, Louisiana Posts: 2,882	Re: Gear noise normal in 4Hi? I have a 98 z71 and I dont recall hearing any noise on mine. __________________ www.louisianaclassictruckclub.com 1965 c-10 86 chevy c/k 20

12-27-2006, 11:15 PM	#4
61burb Registered User Join Date: Sep 2005 Location: crowley, colorado Posts: 132	Re: Gear noise normal in 4Hi? our 98 z71 dosnt make any noise in 4x4, the only one that does that is my 63 4x4 suburban. __________________ 61 GMC Suburban 63 GMC 4X4 Suburban 66 Chevy C-10 LWB Fleetside

12-29-2006, 07:18 PM	#5
Hoods69BadBowTie Chevys Kick A$$ Join Date: Jan 2005 Location: Zootown, MT Posts: 12,699	Re: Gear noise normal in 4Hi? My blazer makes a little noise in 4x4 but not really noticeable unless you pay close attention. Can you describe the sound any better. I am thinking of a couple different noises that a school bus would make. Is it just the sound of it being in 4 wheel drive instead of 2? __________________ HOODS is what I answer too -'79, '77, '88 Pickup Sold, '85 Camaro, '83 T/A, '81,'83,'90 K5 Blazer All Sold -'79 3/4 ton "Big Yellow Bananna" Lifted 4spd. 39.5 TSL Swampers, The money Pit -'86 K5 Blazer Silverado 6.2 4" lift 35"s -'95 Ext. Cab Shorty 4" Tuff Country rolling 35" M/T's -'83 Monte Carlo T-Tops. 126,500 Original Miles -LATER I would rather push a Chevy then drive a ford!!

01-05-2007, 07:56 PM	#6
Truck Hippy Registered User Join Date: Aug 2002 Location: Hickory, NC. Posts: 776	Re: Gear noise normal in 4Hi? I have a 95' k2500 and it makes the skool bus sound in 4-hi. Always has.

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