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In message <firstname.lastname@example.org> "J. Smethers" writes:
> I've been having trouble getting the 4K start lately. I get a nice loud
> click from the solenoid, but it will not fire, altough sometimes it does.
I had the same symptom on a 1982 Audi 80CD.
I discovered that the thick copper braid connection between the switched
terminal on the starter solenoid and the starter motor itself had corroded
through. Of itself, this was no great surprise - it's naked copper and open to
everything floating about under the car. Why the symptoms were intermittent is
another issue, but they were.
Audi wanted GBP147 ($200) for a new motor. I bought the shortest battery earth
lead I could find (the braid is only about an inch long) and chopped it down.
Fitting to the solenoid was a screw terminal issue - fitting to the motor
involved sawing down into a crimped and soldered post, forcing the braid in,
clamping it together _hard_ and then a heavy duty soldering job. A few pence
in materials and two hours labour. I think I bodged a new grommet as well.
That was 40,000 miles before I sold the car, and I gather the repair is still
So check the braid between the solenoid and the starter motor body proper.
Committee Member, UK Audi [ur-]quattro Owners Club