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| Joined: | 04-01-2008 |
| Location: | Sandefjord, Norway |
| Posts: | 617 |
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Common sense suggests to me that the cause of the problem should be in or holding a rotating part. This is why I swapped front and rear tyres (tyres are directional). The car has probably been in storage for a long time before I got it, and I have not changed the tyres. Could it be that both tyres have an equal size flat spot, and that the two others haven't? The odds are too tall, I think.
At the recent EU-checkout (the Norwegian twist on the MOT), it was noted that the left front brake was uneven, wobbling between 50 and 150% of the other side, and this goes against a mass imbalance problem. The brake testers at the garage goes something like one revolution of the wheel every second or two.
I would imagine that if the caster angle was badly off (too steep), the wheel would wobble like the castering wheels on a shopping trolley, but I think it is fairly equal on both sides (count of threads on radius rods), and it doesn't make sense at the brake tester speeds.
I'm still stumped...
--
Joachim