Please help .22" tires but 16" spare

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billyb77

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I have a flat and was wondering if since the 2004 escalade is all wheel drive - can i use a different size spare ?

tire shop is 35 miles from my house.

tire sizes =
285/45 R22

spare =
245/75 R16

please help
 

soulsea

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Eek, the spare is 1.63" smaller in diameter ... that's actually a significant difference which equates in about 34 revolutions per minute more for the spare.

All these AWD vehicles have a built in tolerance on how much variation there can be from wheel to wheel, I just don't know what it is ... but I'm pretty sure the dash will light up like a christmas tree and the truck will go into reduced power before you can damage the differentials. Pretty sure, not 100% sure.

Sorry I can't be of more help. :(

---------- Post added at 11:36 PM ---------- Previous post was at 11:32 PM ----------

Btw, you posted this in the 07+ section ... you might get more applicable answers in the 01-06 section.
 
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billyb77

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Yah sounded scary to me too ..thats why i came here to get a second opinion.

guess i have too wait till i get someone to take me..

oops didnt notice i was in the wrong area sorry
 
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billyb77

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posted in wrong area first time so i re-posted here .......

I have a flat and was wondering if since the 2004 escalade is all wheel drive - can i use a different size spare ?

tire shop is 35 miles from my house.

tire sizes =
285/45 R22

spare =
245/75 R16

please help
 

Alex33

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Generally speaking, large variances in tire size will harm the differentials. I'm no expert so I won't say you can drive to the tire shop w/ no problems, however, if you have no other options then go slow and keep an ear out for funny noises.
 

DCT

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I wouldn't do it. A $50 tow truck vs. potential trams/diff problems.
 

zieglerj-pdm-specialist

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Eek, the spare is 1.63" smaller in diameter ... that's actually a significant difference which equates in about 34 revolutions per minute more for the spare.

All these AWD vehicles have a built in tolerance on how much variation there can be from wheel to wheel, I just don't know what it is ... but I'm pretty sure the dash will light up like a christmas tree and the truck will go into reduced power before you can damage the differentials. Pretty sure, not 100% sure.

Sorry I can't be of more help. :(

---------- Post added at 11:36 PM ---------- Previous post was at 11:32 PM ----------

Btw, you posted this in the 07+ section ... you might get more applicable answers in the 01-06 section.


you Should be fine if you just limp it along to the shop!! Is it a major Blowout or are you able to use a patch kit to get you to the shop. The type where you ream the whole out and use lube and punch a sticky rubber strip into the hole and seals it up while your driving it heats up and actually could seal it for life/
 

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