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Chevy Tahoe Maintenance and Repair

474 messages,  Last post on Aug 12, 2008 at 10:44 AM

You are in the Chevrolet Suburban & Tahoe Forum. Your Hosts are steve_ & tidester

What is this discussion about? Chevrolet Tahoe, Chevrolet Tahoe Limited/Z71, SUV


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#430 of 474
Vibration / Resonance at 40-50mpg and 70-80mph by 03cotahoe
Nov 27, 2007 (10:42 pm)
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Hey there-
 
I have a 2003 Chevy Tahoe Z71 with just over 120,000 miles on it. For as long as I can remember I've had what can best be described as a sound from the front left wheel-area like i'm on a train. Evenly spaced duh-duhs, like the wheels of the train going over the spaces in the rails. Weird, I know. However, what makes this troubling now is that the noise is associated with a vibration at between 40-50mph and again at 70-80mph.
 
Seeing that I drive to Boulder, CO about 4x a month from Aspen, I need my truck to drive well. Any thoughts? A friend of mine said it could be the Wheel Bearing. I'm not sure.
 
Thanks-
Alex
#431 of 474
Re: Vibration / Resonance at 40-50mpg and 70-80mph [03cotahoe] by kiawah
Nov 28, 2007 (6:21 am)
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Replying to: 03cotahoe (Nov 27, 2007 10:42 pm)

I'd suspect a belt in the tire is bad. Swap the tire to the back, and see if the noise moves with it....or stays in the front.
#432 of 474
Re: Vibration / Resonance at 40-50mpg and 70-80mph [kiawah] by 03cotahoe
Nov 28, 2007 (6:49 am)
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Replying to: kiawah (Nov 28, 2007 6:21 am)

hey, thanks for the msg. I don't its the tire belt. All four tires are brand new, relatively. <1000 miles on 'em. Maybe i'll have them switch them just for the heck of it... thanks.
#433 of 474
Re: Vibration / Resonance at 40-50mpg and 70-80mph [03cotahoe] by kiawah
Nov 28, 2007 (6:59 am)
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Replying to: 03cotahoe (Nov 28, 2007 6:49 am)

Well if the problem existed before the tires were changed, then it probably isn't the tire.
 
You should check the wheel bearing, and the Constant Velocity Joint.
 
I'd also recommend since they'll be there, at checking that there isn't too much play in the lower ball joint. I had both of mine bad at about 60K miles in older Suburban. A ball joint problem would cause other problems also like alignment and abnormal tire wear.
#434 of 474
Re: Vibration / Resonance at 40-50mpg and 70-80mph [kiawah] by 03cotahoe
Nov 28, 2007 (7:32 am)
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Replying to: kiawah (Nov 28, 2007 6:59 am)

Great, thanks. I will. I'll let you know what I find out.
#435 of 474
Re: 2003 Speedometer Problems [kendra2] by mrawls
Nov 29, 2007 (1:08 pm)
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Replying to: kendra2 (Nov 27, 2007 8:52 am)

same problem here with my 2004 tahoe z71 - chevy sucks!!! they do not stand by their products!!!
#436 of 474
tahoe Z-71 by mrawls
Nov 29, 2007 (1:11 pm)
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i have a 2004 tahoe z71 and the speedometer and another gauge both broke 2 years ago and I took it to dealer to have it checked out they said pay $900 and we can fix it. I didn't have that much to drop on a simple problem. Now they tell me it was a defective part! but they won't fix it now! chevy sucks!!!
#437 of 474
A/C Heat Control by choss
Dec 09, 2007 (4:23 pm)
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I have a 2005 tahoe w/ the digital climate control system. It seems to only have 2 settings either 60 or 90. the heat only works with the control set to 90. if i put it at 89 it goes to the coldest setting.
 
does anyone have any ideas on how to fix?
#438 of 474
Re: A/C Heat Control [choss] by gladewater07
Dec 17, 2007 (9:40 pm)
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Replying to: choss (Dec 09, 2007 4:23 pm)

I have the exact problem with a 2003 Tahoe. Tried replacing the entire heating unit into the dash. No help. Looking for answer.
#439 of 474
message 438 continued by gladewater07
Dec 18, 2007 (9:04 pm)
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Found the answer to 2003 Tahoe climate controll problem. Set on 90 heats and 89 and less goes to cold air. No inbetween. Look up from drivers seat to see small plastic in headliner. Looks like small speaker, but is not. Under the headliner is a small sensor type gizmo. Has fan and very small wire with black ball on end. Reminds me of a very small antena. This works with the climate controll system. New part was less then $30.00 new. Plugged it in which resulted in happy ending.

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