[T3] Thermostat Air Flap

[J. Jonik]

Prompted by good advice here, I am about to re-install the thermostat in my 72 Squareback engine.    I have the tin and the manifold etc out of the way and have un-wired the flap...right side.  And, I have the pieces for the thermostat assembly.

But, how does the rod connect to the flap?  There are two holes in that inside part of the flap where it obviously connects.  Which hole, top or bottom, should be used...if it matters?  
 Then, does that rod just thread through the hole...needing no circlip or anything?  I can rehearse this part of the job on disassembled spare parts in my collection.   Unfortunately, those parts have the flap wired in open position too...with no rod left in the flap.

There's no pictures of those details in my manuals.      
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