With AWD you have to change all 4 tires at once, correct? - Chevy TrailBlazer, TrailBlazer SS and GMC Envoy Forum



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Go Back   Chevy TrailBlazer, TrailBlazer SS and GMC Envoy Forum > 2002 - 2009 TrailBlazer/Envoy Tech > 02-09 Brakes, Suspension, Wheels and Tires > Tires

Tires Tires

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  #1  
Old 01-17-2007, 01:26 AM
skipfrancis skipfrancis is offline
 
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Question With AWD you have to change all 4 tires at once, correct?

I'm new to AWD and its on this '05 Rainier AWD V8 we have.

I could get by I think with just changing the 2 front tires P245/65R-17

Michelins Cross Terrains at $190 tire + tax.

But I heard with AWD you have to change all 4 at the same time.

Is that correct?

If it was summer the tires have enough tread (44K miles), but since its winter I thought more tread on the fronts would be better for braking, etc.

Thanks for the help.
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Old 01-17-2007, 01:27 PM
MrBigStuff MrBigStuff is offline
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2005 Chevy TrailBlazer LS EXT
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Tires

The tires all need to be within a certain range of diameter to avoid wear on the system. Now if you punctured one and couldn't repair it, you could buy one new tire and have them shave it down to match. It doesn't make sense to do this in your situation.

One other point- it seems counterintuitive but the better tires should go on the back. It helps for maintaining control in manuevering. You can check other sources to confirm. I think tirerack.com has good explanation of the situation.
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Old 01-17-2007, 03:08 PM
skipfrancis skipfrancis is offline
 
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Thanks MBS...

I went to Tire Rack as you suggested.

Great tech article on AWD and tires swaps.

Skip
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Old 01-19-2007, 12:37 AM
Silver Ecstasy Silver Ecstasy is offline
 
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Can you post article?
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Old 01-19-2007, 02:55 AM
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FAMU92 FAMU92 is offline
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Talking Article Link: Changing AWD Tires

http://www.tirerack.com/tires/tirete....jsp?techid=18
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Old 01-19-2007, 09:01 AM
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AWD, FWD or RWD, regardless of which wheels do the driving, changing the tires 2 at a time is a bad habit that you don't want to ever start! With proper care & rotation, you should be able to wear the full set down evenly.
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Old 01-19-2007, 12:13 PM
MTPockets MTPockets is offline
 
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If you want maximum safety, you'll want 4 tires with the exact same characteristics. You can get by with changing tires in pairs [one axle at a time] on a FWD or RWD vehicle, I've done it many times. I try to avoid it now. A couple hundred bucks over ~3yrs is nothing.

Joel
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Old 01-19-2007, 05:47 PM
Dave Dave is offline
 
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I know Audi's Quattro system was extremely picky about having tires that are worn differently on the car. I'm sure GM's AWD system cares but probably not as much.

I agree your tires should wear out evenly with proper rotation.
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Old 01-19-2007, 11:15 PM
MrBigStuff MrBigStuff is offline
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Pairs

Here's the other article on which axle should get the new tires if only one pair is replaced: http://www.tirerack.com/tires/tirete...currentpage=18
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Old 01-22-2018, 08:45 PM
debbied6000 debbied6000 is offline
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I have an 06 Envoy denali. I blew out a tire and was told the that side wall is gone and cannot be fixed. Les Shawab told me that I needed to by 4 new tires because the tread needs to be the same. The current tires were brand new when i purchased the vehicle last July. I've put close to 7000 miles on them since purchased. Do I really need to buy 4 new tires. It's not AWD.
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