[Vwdiesel] AC pivot bolt

[Nate Wall]

<<<Over time, the compressor ears would fatigue and
shear off the smaller bolts like a bolt cutter. I
imagine first one then the other bolt would fail. So
to fix this, I drilled out the threaded holes to the
same size as the holes in the compressor and used a
through-bolt and nylon lock nut (I recall using 7/16")
to hold the two together. After securing the
compressor this way, I never had a problem with loose
belts.>>>>

The above is from your web page Roger, Thanks.
Question: To adjust the A/C belt, those (and all the
other mounting bolts) bolts have to be loosened and
then retightened after the belt is tightened (by the
compressor being moved by its threaded adjuster bolt).
How do you prevent the nylon locknut from turning w/
the bolt when the bolt is turned after you make this
fix? I thought that is why the A/C bracket was
threaded in the first place.

After reading your web page I now know how the
compressor bracket in '85 Jetta TD #2 got so f&%#ed
up. I just put a threaded insert in it and extracted
from the other hole a broken off bolt. In addition,
one of the ears on the compressor that the bolt goes
through is broken! But enough is there for the bolt to
hold, I hope. I have not been able to test it yet.

Oddly, '85 Jetta TD #1, my daily driver, NEVER had a
problem w/ the A/C bracket or compressor or mountings,
A/C ice cold too.  hmmmm....

--Nate

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