Tyres loosing pressure

[Deleted User]

Any suggestions please ,I have Citreon Picasso,since new I have to put air in the Micheline tyres every month,several pounds and all round, valve caps on all the time, never had this on any car I have had that it needs air so consistently

forgotmyname

Alloy or steel wheels?

Alloys can corrode and they dont seal very well.

Tyres need to be removed and they can paint a sealant onto the wheel and refit.

Maybe that cure it.

Poor quality valves maybe?

Tyre pressures will drop over time. Quite normal.

Weird_Nev

Sounds a bit rapid.
It sound like your alloys may have become porous over time, it does happen with corrosion, either around the rim or through the alloy itself.
Check your tyres carefully for an embedded nails/screws, but if not ask a tyre place to remove and refit the tyres with a bead of sealant and see if that helps.
If not, getting your alloys re-furbished and powdercoated, or else just buying a second hand set in good condition, may help.

photome

Take the wheels off and put them in a bin full of water to see where the air is escaping, it has to coming from somewhere, or take to a tyre depot and they can do it for you

you could just put a little soapy water over the valve first to check if it is coming from the valve and if it is try tightening them

gilbert_and_sullivan

photome wrote: »

Take the wheels off and put them in a bin full of water to see where the air is escaping, it has to coming from somewhere, or take to a tyre depot and they can do it for you

Yep, you can't beat the old simple ways, alternative is a spray bottle with soapy water, wheels off and keep wetting all round till you find the leaks.