Tyre valves - help please

[Minxy]

One of our front tyres sometimes looses a bit of pressure, there's no sign of damage or a puncture etc so we assume it's down to the valve - our Tyres are Michelin Agilis Camping tyres (225/R75/16), hubby has been looking at what to do and has come across the below:

Valve Key Wheel Tyre Inner Tube Valve Remover Removal Tool New + Four Free Cores | eBay

Find many great new & used options and get the best deals for Valve Key Wheel Tyre Inner Tube Valve Remover Removal Tool New + Four Free Cores at the best online prices at eBay! Free delivery for many products.

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Would this be suitable for a MH to allow him to replace the core and if so how easy is it to do?

 

[MichaelT]

Personally I would get a proper tyre place to do it especially as they are metal ones.

 

[Nirvanauk]

One of our front tyres sometimes looses a bit of pressure, there's no sign of damage or a puncture etc so we assume it's down to the valve - our Tyres are Michelin Agilis Camping tyres (225/R75/16), hubby has been looking at what to do and has come across the below:

Valve Key Wheel Tyre Inner Tube Valve Remover Removal Tool New + Four Free Cores | eBay

Find many great new & used options and get the best deals for Valve Key Wheel Tyre Inner Tube Valve Remover Removal Tool New + Four Free Cores at the best online prices at eBay! Free delivery for many products.

www.ebay.co.uk

Would this be suitable for a MH to allow him to replace the core and if so how easy is it to do?

Are the wheels Alloys? They are notorious for losing pressure especially around the rims

 

[mikebeaches]

One of our front tyres sometimes looses a bit of pressure, there's no sign of damage or a puncture etc so we assume it's down to the valve - our Tyres are Michelin Agilis Camping tyres (225/R75/16), hubby has been looking at what to do and has come across the below:

Valve Key Wheel Tyre Inner Tube Valve Remover Removal Tool New + Four Free Cores | eBay

Find many great new & used options and get the best deals for Valve Key Wheel Tyre Inner Tube Valve Remover Removal Tool New + Four Free Cores at the best online prices at eBay! Free delivery for many products.

www.ebay.co.uk

Would this be suitable for a MH to allow him to replace the core and if so how easy is it to do?

If it were me I'd get it done at a tyre specialist.

They can easily jack the van up so you don't let the tyre go flat on the ground with the weight of the van unsupported during the change over. Admittedly, you could jack the van up yourself, but for me I'd leave it to the professionals.

It might be something to do with my age...

 

[Two on Tour]

If you have alloy's fitted, then you might want to consider if the aluminum has become porous.
We have had 2 cars that have had that problem.

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[tonyidle]

The answer to your question is yes. Just do it when near an airline - its a lot of work with footpump.

 

[Just smiffy]

Squirt some washing up liquid around the valve Mel even a small leak will bubble up… if not you have a very small puncture or rim leak..

 

[cmcardle75]

One of our front tyres sometimes looses a bit of pressure, there's no sign of damage or a puncture etc so we assume it's down to the valve - our Tyres are Michelin Agilis Camping tyres (225/R75/16), hubby has been looking at what to do and has come across the below:

Valve Key Wheel Tyre Inner Tube Valve Remover Removal Tool New + Four Free Cores | eBay

Find many great new & used options and get the best deals for Valve Key Wheel Tyre Inner Tube Valve Remover Removal Tool New + Four Free Cores at the best online prices at eBay! Free delivery for many products.

www.ebay.co.uk

Would this be suitable for a MH to allow him to replace the core and if so how easy is it to do?

It is extremely easy to replace the cores, they literally just screw in. The tool is shaped to grip slots in the core so you can unscrew/screw them in. Whether it is your problem is a different question!

 

[namwaldog]

We had a similar problem with three of our Burstner alloys when we got it.

Took it to our local independent tyre dealer. They took the wheels off one at a time and firstly dipped them in their water bath.

This identified the air escaping between the alloy and the metal valve.

Tyre off, valve removed, the seating for the valve was slightly oxidised .... cleaned up, metal valve seat cleaned up. New seal applied, valve refitted, tyre refitted and balanced.
Water bath tested ....no bubbles.

Wheel refitted. Repeated for other 'leaky' wheels.

Took the fitter just over an hour in time.

Went to pay the bill.... no appropriate item in the computer menu so nearest was wheel balancing ... 3 x £6 paid.

Dropped off a pack of beer next day

 

[icantremember]

Easy enough to replace the core .. but be aware that you may have difficulty reinflating if the rim seal gets broken.

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[BouncyBoatFolk]

You don't actually need to jack the vehicle up,just maintain the present height by putting the jack, or trolley jack under the jacking points and taking the free play out until the jack is supporting that wheel. As mentioned earlier, some soapy water to look for the leak is a good start.
Press the top of the schrader valve in for a while to release the pressure slowly, when considerably de-flated unscrew and replace the schrader, if that is the problem.
Mike

 

[Burgo]

so we assume it's down to the valve -

Take the dust cap off.
Spit on the end of your finger and dob it onto the top of the valve.
If it blows a bubble the core is leaking - if it doesn't its OK.

 

[TheBig1]

If at 5.5 bar, that is a whole load of pressure released suddenly through a small hole. It is easy to change the core, but for the sake of ease I would have a tyre fitter do it and check the rim for leaks. Faulty rims on new vans do sometimes happen. I saw one with a crack in not long ago

 

[Jev88]

You could jack up and replace the core - easy.
BUT, worth letting a garage do it because then they can dump the whole wheel in a bath and check the rim for leaks..... If you find one then worth getting all the wheels done as they will collect crud around the rim too and the bead leaks.

 

[Lenny HB]

If its a metal valve I had the same problem, the valve wasn't fully tight on the wheel. You can tighten them up with a couple of spanners no need to take the tyre off.

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[jockaneezer]

My neighbour got two new front tyres on his S Max last week and was complaining that one of them seemed to be loosing pressure. I did exactly what Burgo suggests above, which showed a very slight leak and tightened the core in with my valve tool. I doubt the core went half a turn, but it was enough to cure it. Probably took as long to write this post as it did to fix the leak, but I already had the valve tool and more importantly, could remember where it was in the garage !

 

[Landy Andy]

Take the dust cap off.
Spit on the end of your finger and dob it onto the top of the valve.
If it blows a bubble the core is leaking - if it doesn't its OK.

What they said. Check it IS the valve core first otherwise your just waisting, time, money, and air.

 

[Vipar]

I’m wif Smithy try the washing up liquid first best tell tale on the market

 

[Minxy]

The answer to your question is yes. Just do it when near an airline - its a lot of work with footpump.

We have a puncture gunk kit that came with it and it has a very powerful pump fortunately so should be able to get it back up to pressure without the need for huffy-puffy physical work.

You don't actually need to jack the vehicle up,just maintain the present height by putting the jack, or trolley jack under the jacking points and taking the free play out until the jack is supporting that wheel.

Great minds and all that .. I've already told hubby that if he does it to do that as he was just gonna let the air out with the weight on it.

 

[Minxy]

Squirt some washing up liquid around the valve Mel even a small leak will bubble up… if not you have a very small puncture or rim leak..

I’m wif Smithy try the washing up liquid first best tell tale on the market

Fairy?

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[Minxy]

Thanks guys, I'll let hubby have the info - we're collecting the MH from the dealer on Friday so will have a shuftie over the weekend, we asked them to check the pressure when they've finished so we don't end up messing about trying to pump it up before we can drive it home.

 

[tonyidle]

Great minds and all that .. I've already told hubby that if he does it to do that as he was just gonna let the air out with the weight on it.

I wouldn't worry about letting all the air out - no harm will come to the tyre as the weight will come down gently. If you're worried there'll be plenty of time to put the new valve core in before the tyre is totally flat anyway.

 

[AJM2]

Had the same issue. Took it to a garage who simply tightened the loose valve with the tool you’ve shown (I didn’t even know they were screw in) and topped up the air.

 

[Manic]

Can’t you get the dealer to sort it under warranty

 

[SpeedyDux]

I had a loose valve core that presented as what I thought might be a slow puncture. Tightened the core with a valve tool - problem solved.

[Now I can't seem to find my valve tool. The gremlins must have swiped it. Grrr.]

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[68c]

Be careful deflating hi pressure tyres by fully removing the valve core. As the tyre would have been inflated with normal air it may well contain some moisture, this can freeze as it escapes through the small hole causing an ice blockage. Then it will thaw and the remaining air could drive the ice plug out at speed, into your eyes. Deflate in stages ensuring no ice build up. Large aircraft tyres are inflated with dry nitrogen, partly to avoid this problem.