Ford diff filler plug size

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Dave connors
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Ford diff filler plug size

Anyone know the thread size of the ford diff filler plug need to order a magnetic plug.

Wrightpayne
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The normal Ford diff plug is magnetic already!

Dave connors
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Cheers, didn't think the filler plug would be magnetic 

Wrightpayne
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Jonathan Kay
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To my surprise I can't find the thread size... anyone?

(Not the tool size, not the BMW diff, not the gearbox plug... )

Thanks

Jonathan 

Tom_Arundel
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As an aside....I put 2 spanner flats on mine to avoid the hex socket/De Dion tube, so I can fill it thro` the boot floor without jacking the car up.....One of my better mods!

Wrightpayne
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i just use a cut down allen key with about 13mm protruding.

ECR
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And mine has a hex head from a bolt welded on it. So much easier to undo......

David Belding
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Did the welding de-magnetise it?

ECR
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Can't say I've noticed.....

7 wonders of th...
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M20x1.5

I changed mine to a hex head version much easier access with a spanner as opposed to an Allen key