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In the Porsche and Haynes manuals the correct approach is to adjust the retaining nut until the washer beneath it can still slide with moderate pressure from the tip of a screwdriver.
However, I find that this doesn't quite take up the slack and that with the wheel bolted back on (car still jacked up) that grasping the wheel and push-pulling firmly still produces slight wobble. Consequently I still suffer from vibration at the steering wheel at 70 mph. Everything else in the steering chain has been elimnated. Good shocks, new suspension arms and bushes, new wheel bearings, new ball joints and so on. Wheels have been balanced
I'm minded to adjust the bearings with the wheel bolted to the hub (cover removed) and, using a screwdriver, turn the nut until all freeplay can be just felt to be taken up (push-pulling and tightening until float ceases). However, in doing this I find that the washer beneath the nut has zero chance of moving - short of levering the screwdriver against the hub interior.
It seems to me that if you follow the accepted method you suffer from excessive vibration and the possibilty of damage to the bearings through 'chatter'.
On the other hand tightening the nut until all slack is removed (as well as vibration), appears to risk overloading the bearing and an earleir onset of wear.
I always find this simple job always takes longer than it ought - because I constantly flip from one worry to another.
What's considered the best practice?
However, I find that this doesn't quite take up the slack and that with the wheel bolted back on (car still jacked up) that grasping the wheel and push-pulling firmly still produces slight wobble. Consequently I still suffer from vibration at the steering wheel at 70 mph. Everything else in the steering chain has been elimnated. Good shocks, new suspension arms and bushes, new wheel bearings, new ball joints and so on. Wheels have been balanced
I'm minded to adjust the bearings with the wheel bolted to the hub (cover removed) and, using a screwdriver, turn the nut until all freeplay can be just felt to be taken up (push-pulling and tightening until float ceases). However, in doing this I find that the washer beneath the nut has zero chance of moving - short of levering the screwdriver against the hub interior.
It seems to me that if you follow the accepted method you suffer from excessive vibration and the possibilty of damage to the bearings through 'chatter'.
On the other hand tightening the nut until all slack is removed (as well as vibration), appears to risk overloading the bearing and an earleir onset of wear.
I always find this simple job always takes longer than it ought - because I constantly flip from one worry to another.
What's considered the best practice?
