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Do you guys replace your spare tires? #5230973 10/05/19 10:14 AM
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nobb Offline OP
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This is mostly tailored for the people who have old cars, but I just realized the full size spare on my 4Runner is the same age as the vehicle now (20 years). Is it still safe to use for brief periods at low speed for emergencies? I keep it on the roof, which has the disadvantage of being exposed to UV and the elements. But I do check the pressure maybe once a year and it's holding fine.

Re: Do you guys replace your spare tires? [Re: nobb] #5230980 10/05/19 10:26 AM
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TheLawnRanger Offline
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I never have. The last time I looked at the spare on my 20 year old Cavalier, it looked like it always has and I would use it to get to the closest tire store. However, I wouldn't say that the spare shouldn't be replaced. I've never thought about it. Maybe a tire expert will post and let us know of any possible internal damage to be aware of.


2011 Impala
2012 Colorado
Oil: 5w30 synthetic
Filters: Wix 51522 for both
Re: Do you guys replace your spare tires? [Re: nobb] #5230987 10/05/19 10:33 AM
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motts Online Content
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My 02 Camry came with full size spare. It still looked brand new last month when I had to use it

Re: Do you guys replace your spare tires? [Re: nobb] #5230995 10/05/19 10:45 AM
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Dave9 Offline
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Depends on how you define safe. If you are going slow enough that a sudden loss of that tire won't cause a wreck, then it's safe to that extent. If you define safe as being very dependable to get you out of the middle of nowhere, because of non cell service and/or extreme environmental hazards such as temperature or blinding rain or fog (and your being stuck on the side of the road) then it's not safe.

Yours in particular, is not safe for the latter since as you noted it has been exposed to UV all this time, or at least however long it's been on the roof.

I would either remove it and do without a spare or get a new one.

You won't necessarily see the damage done by time to an old tire. There can be ply separation and cracking you'd only notice once bearing weight and especially if low on air.

Then again safety is shades of gray. It's safer not to drive at night, when raining, on icy/snowy roads, or in a 20 year old SUV, and to wear a helmet. It's also safer not to buy a new car with un-ergonomic touch screen et al controls, not to conduct phone calls even if hands free, not to have kids or (other) insane passengers, and not to turn the radio up high, not drive when tired, not drive a small car or especially motorcycle, and so on.

If you're against buying a new tire then that old one could still save you a tow bill.

Last edited by Dave9; 10/05/19 10:47 AM.
Re: Do you guys replace your spare tires? [Re: nobb] #5231008 10/05/19 10:58 AM
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joekingcorvette Offline
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No but it's a good idea. I had a previous boat trailer and I had taken the wheels and tires to a tire shop and put the spare on in the driveway. The sidewall blew out of it and I wasn't even towing it! I have not had a real flat tire in years and probably wouldn't really worry about it unless are out of reach of help. Everybody's situation is different. If I were to go a long ways from home frequently I would get a new spare tire. I am sure you could trade one in at the junkyard for very little money and upgrade to a newer tire and wheel combination.


2005 Chevrolet Corvette
2014 Ford F-150 4x4 supercrew
2014 Jeep Grand Cherokee Limited (wifes)
2012 Honda Civic 4 door (my daily driver)
2007 Lund Tyee Grand Sport Mercury 115HP 9.8HP
Re: Do you guys replace your spare tires? [Re: nobb] #5231017 10/05/19 11:03 AM
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supton Offline
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Sometimes... I have a utility trailer that really should get a new spare. My truck, it’s 10 years old and the spare is held out of the sun, so eh... My 20 year old Camry, ok that got a new spare, even though the tire felt fine (I had more trust in a 2 year tire with 4/32’s left than the 20 year old unused tire).

Wife’s Camry though has a space saver tire. I checked and a full size spare won’t fit. So... that won’t get replaced. In the event of a flat I just accept it’ll likely be costly, as I’ll have to get a tire ASAP.


2011 Toyota Camry, base, 2.5L/6MT, 191k, hers
2010 Toyota Tundra DC, 4.6L/6AT, 154k, ours
1999 Toyota Camry LE, 2.2L/4AT, 213k, his
Re: Do you guys replace your spare tires? [Re: nobb] #5231018 10/05/19 11:03 AM
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Railrust Offline
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The only thing I'd worry about is the fact that you said that you keep it on the roof, I'd worry about dry rot...how much would I worry? Not that much if you're just using it to drive home, but I probably wouldn't trust it for much more than that.

Re: Do you guys replace your spare tires? [Re: nobb] #5231023 10/05/19 11:06 AM
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Rat407 Offline
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No spare in the Cruze diesel. The 2002 Silverado still has the original spare and never been removed. Just keep it at 35psi.


2002 Silverado 5.3 0w-20 AMSOIL
Re: Do you guys replace your spare tires? [Re: nobb] #5231032 10/05/19 11:11 AM
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JLTD Offline
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I used to get a matching wheel and simply rotate 5, replacing 5 tires when required.

Now with TPMS, it is a little more difficult. Haven't had the 4Runner long enough yet.


I use the overseas manual to choose my viscosity.

Using AMSOIL

Hers: 2008 Jeep Liberty 154k, SS 5w30/Amsoil

His: 2015 4Runner 60k, SS 5w20/Amsoil

Re: Do you guys replace your spare tires? [Re: nobb] #5231046 10/05/19 11:30 AM
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At 20 years I would get a cheap tire for about 100 and not worry about it for another 20 years.

Imaging the PITA factor if you put the spare on and it went flat or disintegrated shortly after. Murphy says you'll be in a hurry to get somewhere when this happens or on a long trip.

One's in the trunk will probably last the life of the vehicle as long as its aired up periodically and not run low/flat. No sunlight UV or water spray/ dirt to dry rot them.

Re: Do you guys replace your spare tires? [Re: nobb] #5231049 10/05/19 11:34 AM
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Yup. My Jeep's spare was 10 years old in 2017, so I replaced it then. Now I didn't put on an expensive BFGoodrich All Terrain to match the tires, it got a cheaper Goodyear. But if I'm hundreds of miles away in the desert and get a punctured tire, I don't have to worry about a blowout of the spare.

I've replaced the Camry's spare twice. I bought the car in 2015 and it had the original full sized spare. So I put the spare on and took it to Discount Tire when I needed a new set and they replaced the 4 on the car. So the "new spare" wasn't too old. Then earlier this year it got a nail in the sidewall, so I decided to replace them as a pair. On went the spare again and the good tire went in the trunk. Now I have no worries if it's on a road trip. This is the hottest city in the United States. Driving 75+ mph on the interstate at 115 degrees with an old tire? No thanks.


2015 Hyundai Sonata 2.4L 103k STP Synthetic HM 10w30 & OEM
2000 Toyota Camry 2.2L 235k Mobil Super HM 10w40 & Fram Ultra
1996 Jeep Cherokee 4.0L 149k Mobil 1 HM 10w40 & Fram Ultra
Re: Do you guys replace your spare tires? [Re: nobb] #5231073 10/05/19 12:15 PM
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JC1 Offline
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No I don't, but I try to lower the tire once a year from under the van and spray the fluid film on it and the metal wire that holds it up. It will be time to do that soon.


2015 Grand Caravan SXT Plus 5w-30 Valvoline White Bottle/Fram Ultra Filter
1997 Honda Civic CX 5w-30 Shell Conventional/Fram Ultra Filter
Re: Do you guys replace your spare tires? [Re: nobb] #5231075 10/05/19 12:19 PM
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slacktide_bitog Online Content
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I replace it with either a used tire from the local shop, or a cheap (new) tire from Walmart

Re: Do you guys replace your spare tires? [Re: nobb] #5231121 10/05/19 01:22 PM
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I haven't replaced the full size spare on my 2000 BMW. It looks really good and was a quality tire. It holds air, and it's not exposed to ozone or sunlight so it should be okay.

What I used to do (and would do again if I was going to replace a full size spare) is save the best "old" tire when I replace a set.


2000 BMW 528i 5MT M Sport
2007 Honda Accord EX-L 4Door V6 6MT
Re: Do you guys replace your spare tires? [Re: nobb] #5231122 10/05/19 01:26 PM
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It'll be OK from where your tire went flat to the nearest tire shop, don't worry, but it's not a replacement for the the flat tire.

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