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Continental Tyre's


yorkist

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yorkist - 2017-01-28 4:18 PM

 

Also do we need to buy the steel valves ourselves? Steel wheels by the way.

Thanks Chris.

 

Chris,

 

You do not necessarily need metal valves (IIRC they're normally brass not steel), although I personally would, as long the rubber valves that are used are of the 'High Pressure' variety capable of withstanding 80 psi. Normal 'Car' tyre valves are only suitable for something like 60 or 65 psi.

 

Make sure you see evidence that rubber valves are suitable if you do go that route.

 

Keith.

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Chris

 

Whether you’ll need to source the valves yourself will depend on whoever will be fitting the tyres having suitable ‘clamp-in’ valves in stock or being prepared to obtain them for you.

 

I understand that you own a 2011 Autocruise Starfire on a Peugeot Boxer base. You haven’t said whether this already has clamp-in valves, but if it has it is common practice at tyre-replacement-time to just replace the valve’s core rather the complete valve. (This assumes of course, that there are no symptoms to suggest that the existing valves might not be in perfect condition.)

 

As Keith has said, if you are not using high inflation-pressures (say, over 60psi) in your motorhome’s tyres, you do not need to fit clamp-in or 'high-pressure’ valves, but it’s certainly a good idea to do this.

 

You can obtain clamp-in valves from here

 

http://www.auto4.co.uk/valves-and-valve-hardware/clamp-in-valves

 

and this valve is likely to be suitable for your Boxer

 

http://www.auto4.co.uk/valves-and-valve-hardware/clamp-in-valves/clamp-in-valve-42mm-cw-16mm-nut

 

Clamp-in valves need to be installed carefully and not over- or under-tightened. Tyre fitters may be unfamiliar with installing them, so you’d be wise to confirm that they know what they are doing!!

 

 

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If you have the choice go for metal valves which are mandatory at max 80 psi like CP Tyres. That is also the pressure of the max load of your Tyre. Increasing this pressure will not increase your tyre load.An advantage of metal valves is that you can screw on aftermarket tpms caps. like the tirimoni tm-240.It looks like the original closure cap which he replace but a bit larger in diameter. And whit a nice monitor for the front screen. Price 200 p. for four caps. The best in test by promobil germany. He monitor per tyre which even the std fiat can not do and the batterysystem is fine and a clear monitor.They do not have a safety interface like Al- Ko.
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These 2014 and 2015 forum discussions may be of interest

 

http://forums.outandaboutlive.co.uk/forums/Motorhomes/Motorhome-Matters/Metal-Tyre-valves-/35591/

 

http://forums.outandaboutlive.co.uk/forums/Motorhomes/Hints-and-Tips/Spare-Wheel/39615/

 

Schrader’s 65765-68 product resembles the valves in nimod’s posting and is depicted on the following webpage

 

http://tinyurl.com/hgwyp4o

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