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There's another thread about me paying a couple of quid to replace the dustcaps with some aluminium red ones.

I thought I'd better make the warning a bit more high profile. Such dust caps corrode onto the valve and you simply cannot get them off. Hence you will need to get them replaced.

This can become very expensive if you have tyre pressure sensing valves.

So basically, my advice is don't use aluminium dust caps.
 

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DSFour said:
There's another thread about me paying a couple of quid to replace the dustcaps with some aluminium red ones.

I thought I'd better make the warning a bit more high profile. Such dust caps corrode onto the valve and you simply cannot get them off. Hence you will need to get them replaced.

This can become very expensive if you have tyre pressure sensing valves.

So basically, my advice is don't use aluminium dust caps. <img src="http://www.ds4ownersclub.co.uk/forum/smileys/smiley1.gif" alt="Smile" title="Smile" />
This can be a problem indeed, but don't panic, captain mainwaring!

If you have a dust cap "welded" on and won't undo, it is a very easy job to remove in fact without any damage to the valve at all


Simply cut a little groove in the top of the cap (hacksaw or use a dremel with the cutting disc), then put a flat blade screwdriver in the slot/groove you have made and just twist. The cap will spread enough to release from the valve thread and can undo.
If that doesn't do the trick, repeat the process, but instead of making a groove in the top, make the groove along the length of the cap - this will,be tricky with a hacksaw, but easy with a dremel cutting disc.
Remember you don't need to cut through the cap, just enough to allow a flat blade screwdriver to gain leverage
 
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