Excellent post - apart from the bit about putting copper grease on your wheel studs. This is hugely dangerous and means you cannot torque your wheels up properly. Your entire car is held up off the road by just 20 bolts - it would be better if they were tight.
Taken on board...... But the way I was trained and the logical statistics of servicing up to 10
vehicles per day for 10
years in various main dealers followed by a further 6
years with VOSA (aka) "wheel tappers"
in which I actively seeked loose wheel nuts on commercial vehicles, would suggest that if using a slight dab of copper grease on the thread part only of a wheel bolt or stud would suggest that I was responsible for approximately 120,000 wheels
working loose if that was a factor
I don't think I would have been in my career for so long if that was the case, don't you?
I am happy to report that I haven't had one work loose as a result of my actions during my many years of experience with using copper grease.
Many misconceptions involved around what actually loosens a wheel nut/ bolt but the threads don't actually hold a wheel tight, the chamfer of the nut or bolt is the holding factor, the thread only aids the tightening initially to seat the chamfered shoulder tight against the wheel surface. It is advisable to re-check the tightness of any wheel after removal within 50 miles and then 200 miles if you use copper grease or not...
Now... if anyone is silly enough to literally coat a wheel nut/ bolt in copper grease including the chamfered shoulder, then they are asking for trouble!
All this advise can be obtained readily from the VOSA website link in my signature if anyone is unsure