I'm replacing a car O2 (lamba) sensor and wondered about using an
anti-seize compond. The ones I see ebayed usually say "contain
copper.. etc." so I wonder if a little copper-grease would do the job?
I know it must not contaminate the sensor itself. Good idea to use?
No, it will migrate down the threads with the heat and contaminate the sensor or
the cat. Maybe the sensor thread is already coated, if so it will contain
graphite and glass beads. GM had a patent on it
The only manufacturer I was aware of was based in the USA and I can't recall
their name at the moment, but in the past you could buy it from at least one
vehicle manufacturer in the UK.
How old's the car? ie Are you likely to ever have to replace it again.
IMO, just don't go mad tightening it. Having recently dealt with a load
of 17/19mm AF locking nuts on an exhaust system, I was impressed that I
could get them undone just without too much bother with just a breaker
bar and without nut splitters and gas torches.
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