2019年2月8日金曜日

DIY ST for Toe-in value adjustment




I make it a rule to fabricate Special Tools for my vehicles as shown.
The toe-in value was investigated for the preparation of the periodical inspection every 2 years by the Authority. The appointment had been done already the other day with Kobe Land Transport Bureau through Internet system.
Of course 3 bottles of 20 l water are set on the driver's sheet for compensation intending precise adjustment, the inspection of toe-in value is performed with driver's weight on the sheet. And moving VW forward and backward on every adjustment procedure to make the stress and tension on the tire surfaces.
As I have some bitter experience to fail the inspection last time because of too much toe value over 5 mm toe-in, that was caused by the fracture of lower arm hinge bushes on both sides. Though I passed the inspection by my handling flexibility, just adjusting the connecting rod length at that time, I didn't know how such kind of discrepancy had been carried out. But, it did not take time to come to the conclusion remembering strange steering reaction while turning phase.
Such kind of experience obliged me to check the actual toe-in value today.
3 mm/1 m toe-in value was obtained utilizing DIY ST and it was adjusted into Zero degree by my own muscle work taking time 30 minutes as a matter of fact.
More gentle and honest steering reaction could be obtained after that.
This kind of fundamental adjustment should be performed at least once per half a year especially on the unstable and movable axle construction vehicle like VW air cooled Beetle 1302.

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