Club 80-90 Forums

That looks like exactly what I need - hope I don't need all those inserts   Many thanks.

After a bit more investigation, I think the repair was done with a Time-sert spark plug kit!  I think the insert is M16 x 1.25 so I guess the internal thread is M14 x 1.25.  The only M16 x 1.25 inserts I can find are by a company called Midlock but I can't find a way to buy them online.  Any advice ...

Assuming I can't get the insert off without trashing it, what are the odds that I can buy a new insert (16mm?) that will take a standard plug or an oversized plug?  I can imagine that there are a few potential problems.  Will the new insert thread match the existing thread in the sump?  Will I have ...

Measure across 4 thread tops of the insert and do you get 5mm or 6mm?

It looks like 5mm to me.

Here is the photo of the plug and all the other bit.  I think the washer is a Dowty washer although I had never heard of them until today.  I can't get the washers over the insert.

Any more thoughts?

A while ago a mechanic "fixed" a leaky oil drain plug with "an insert and an oversized plug".  It is still leaking.  After a few years in the garage I am trying to get the van running again and need to address this.  I have removed the plug very easily but what came out looks lik...