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1991 940SE-can't turn key to Start position 900

posted by  Amarin on  Tue Sep 10 17:47 CST 2019
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last visit: Thu Oct 23 22:42 CST 2014
[RELATED]

IIRC teflon is a type of plastic made by DuPont and teflon lube is supposed to contain colloid (microscopic) particles of this plastic. You could try to take out the ignition switch (the electrical switch) again to really see if its the switch or ignition tumbler at issue. I occasionally use graphite spray (and sometimes light machine oil) to lubricate the ignition tumbler but never teflon lube.

I think teflon (PTFE) is ok for open type of mechanical lubrication. I don't think it is suitable for locks (tumblers) though.

See:
https://www.fluoramics.com/wp-content/uploads/EPQ217_52-54.pdf

Amarin.






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