What tool do I need for this?

[RandomZephyr]

Sorry for the extremely stupid question but I wanted to clean my EGR intake valve and cannot work out the name for the tool I need for this bolt.

(Bolt on the bottom right)

Don't seem to have this in any of my sets!

Cheers.

 

[Paul battams]

Sorry for the extremely stupid question but I wanted to clean my EGR intake valve and cannot work out the name for the tool I need for this bolt.

(Bolt on the bottom right)

Don't seem to have this in any of my sets!

Cheers.

Looks like an M10 spline to me maybe M12


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[Jamsmoo]

Sorry for the extremely stupid question but I wanted to clean my EGR intake valve and cannot work out the name for the tool I need for this bolt.

(Bolt on the bottom right)

Don't seem to have this in any of my sets!

Cheers.

Think they’re called spline drive or double square ,I think I used an Allan key !(sorry purists)


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[Jamsmoo]

Sorry for the extremely stupid question but I wanted to clean my EGR intake valve and cannot work out the name for the tool I need for this bolt.

(Bolt on the bottom right)

Don't seem to have this in any of my sets!

Cheers.

https://www.ebay.co.uk/itm/323963990266


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[RandomZephyr]

Solved! Ordered a Spline set from Amazon, will be here tomorrow.

Thanks all!

 

[piglet14]

Don't know what engine you've got but on my 3.0Tdi I had real fun with the lower bolt, just no clear access.