Torx or torx-plus on crankshaft pulley bolts? - Alfa Romeo Forum
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Torx or torx-plus on crankshaft pulley bolts?

Hi,
planning to change crankshaft pulley on my 166 JTDm because it wobbles. It is fastened with six bolts that seems to have a strange bit type. Is it a torx or a torx-plus or something else? And what size of the bit is needed?
/Magnus
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I would guess if it is similar to Torx but not Torx it will be a Ribe set, it is on a Twinspark so I would guess it would be the same.

http://www.amazon.co.uk/Draper-72088...2654394&sr=8-2
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You can get away with torx on the JTD and TS bottom pulley although a ribe is the correct tool. Off the top of my head it's a T45 but can't tell you what it translates to in ribe sizes. Think it might be an 8mm
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Thanks,
I have searched for Ribe and it seems to be correct. Now I must find the right size in a hardware store near me.
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you might as well buy a set as there are several sizes used on alfa engines
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anything that looks like a torx on the engine, is actually a Ribe bolt...
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bolts , crankshaft , pulley , torx , torxplus

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