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[bob.dent]

Having discovered last night that I've got a slow puncture in my rear tyre I realised that my spare is a standard steel wheel with a 195/65/R15 tyre but my rear wheels are Azev alloys with 265/40/R17 tyres. I'm hoping to get the puncture repaired while I wait, but the question is would I be able to use the spare wheel in an emergency? :-/

[Kevin Wood]

I make the difference in diameter only 1.5 % so that should be fine.

Handling might be affected a tad.

Kevin

[bob.dent]

I make the difference in diameter only 1.5 % so that should be fine.

Handling might be affected a tad.

Kevin

Hmmm.......so at least it would be ok short term and driven carefully then.

[Danny]

the idea of the spare wheel is exactly for that, the "emergency" of getting basically just back home or to a garage to get your existing tyre fixed/replaced

i see a few who have the spare on for a matter of days, this isnt what they're designed for

[Mr Skrunts]

The other thing to watch out for in the case of using a spare that is a different size is the diff, it will cope for short journeys as in the emergency.  But be carefull to keep the speed down..Just a thought as mentioned in other threads, why not use/keep a tin of tyre weld in the car.

(Note to self (get a tin of tire weld))

[bob.dent]

The other thing to watch out for in the case of using a spare that is a different size is the diff, it will cope for short journeys as in the emergency.  But be carefull to keep the speed down..Just a thought as mentioned in other threads, why not use/keep a tin of tyre weld in the car.

(Note to self (get a tin of tire weld))

TBH I've never had any experience of using this stuff. Is it a temporary or permanent fix and is it any good? :-/

[Mr Skrunts]

I havent either but I would class it as a tempory measure.

[Elite Pete]

Ive read that it knackers your tyre up

[Danny]

The other thing to watch out for in the case of using a spare that is a different size is the diff, it will cope for short journeys as in the emergency.  But be carefull to keep the speed down..Just a thought as mentioned in other threads, why not use/keep a tin of tyre weld in the car.

(Note to self (get a tin of tire weld))

TBH I've never had any experience of using this stuff. Is it a temporary or permanent fix and is it any good? :-/

i've also heard as elite pete said, tyre cant be repaired once tyre weld has been used

[Mr Skrunts]

Saying that tho, I would rather knacker  a tyre than change a wheel in some of the locations I have suffered a pucture.

[Entwood]

Tyre weld "coats" the inside of the tyre, and "fills" the hole (if it's small enough) with a gunge that cannot be removed. For this reason any half-decent tyre place will refuse to mend it, as they will not be able to correctly "vulcanise" the join ...

[Elite Pete]

Tyre weld "coats" the inside of the tyre, and "fills" the hole (if it's small enough) with a gunge that cannot be removed. For this reason any half-decent tyre place will refuse to mend it, as they will not be able to correctly "vulcanise" the join ...

Live long and prosper

[Andyb]

quote from my manual

Omega with tyre size 235/45 R 17 3:
The spare wheel is fitted with a smaller tyre
on a steel wheel. It may only be used as a
temporary spare wheel.
Notes on the temporary spare wheel 3
z Fit only one temporary spare wheel.
z Do not d riv e faster than 50 mph
(80 km/h).
z Take bends slowly.
z Do not use the temporary spare wheel
for a lengthy period.
z Replace temporary spare wheel with
repaired wheel without delay.
z Do not use tyre chains. If you need to use
tyre chains after suffering a flat rear tyre,
fit the temporary spare w heel on the
front axle and transfer one of the front
wheels to the rear axle.

[bob.dent]

OK thanks guys, all points taken and digested.

I'm hoping my garage can fix it and I won't have to use the spare but it's good to know that I can use it temporarily if I had to. Mind you, it would totally ruin the appearance of the car!!

[Andy B]

A lot of cars use 'space saver' wheels & tyres. These are those wheels that are usually painted in-your-face-Yellow or orange and they're usually veru much smaller in width than the rest of the wheel. There are loads of high performance cars that have different size wheels and/or tyre front to back & so can't carry a spare for both occasions. Put your spare on & don't worry about it, obviously getting a new tyre sooner rather than later.