07'Denali 4wd-requirement on tire tread variance - 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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Old 02-10-2018, 11:44 PM
GraphiteDenali GraphiteDenali is offline
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2007 GMC Envoy Denali
Graphite Metallic 5.3L V8 4X4
Join Date: Apr 2017
Location: SE Michigan
Posts: 14
07'Denali 4wd-requirement on tire tread variance

Replacing some tires on rear as just 2 new 245/60/18's last july, and several places won't sell me 2 tires; stating policy on liability of tranny/transfer case damage..
BUT - IF I use 4wd only on extreme snow/ice days here in michigan, only about 7 days today so far, then is there grave concern in mostly 2wd ?

And can't I just buy 2 tires that are same 245/60/18 105t, AT type-but different brand with very similar tread pattern, or do I need to get same brand and model ?
Mileage on newer front tires i about 5k mlles , mostly hwy.
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Old 02-11-2018, 10:58 AM
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EnvoyBoy2004 EnvoyBoy2004 is offline
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2004 GMC Envoy SLT
Graphite Metallic 4.2L I6 4X4
Join Date: Sep 2014
Location: NY
Posts: 2,084
The important factor with replacement tires is the diameter. I have read that a difference of no more than 1/4" should be maintained between tires.
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Old 02-12-2018, 05:38 AM
Jewel red 5 Jewel red 5 is offline
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2007 GMC Envoy Denali
Liquid Silver Metallic 5.3L V8 AWD
Join Date: Dec 2012
Location: NJ
Posts: 98
if that is what is OEM size on the truck I can't see why you can't buy just 2 tires. Find another tire shop think he's pissing on you and saying it's raining.
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