Ford Sierra Steering column
I noticed that I had a small amount of play in my steering column around the lower of the two upper column bearings (labelled C). I know the IVA inspectors are hot on any play in steering components so decided that I had better investigate now before I refitted all the dashboard. I had theorised in my head that the lower bearing might be worn or the thrust washer might be missing. So I removed the upper outer column which is just two bolts and immediately saw the problem. The lower thrust washer (labelled B) was the wrong way round. I swapped it over, bolted it back up and fitted the steering wheel. Problem gone completely with no perceptual play. I must have assembled it incorrectly about 8 years ago when I cleaned and painted the column.