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Message: <blockquote data-quote="saat" data-source="post: 96779" data-attributes="member: 77">The correct answer is that there is no adjustment castor in almost all cars (unless you have installed aftermarket rose joints).And yes the only way that castor can be corrected is for the car and its suspension components to be literally pull back into shape.  This is costly and should only be done after it has been determined that indeed the castor has gone off due to a damage to the chassis.The only way that castor to go completely off is after a severe impact which caused the chassis to be bent.An impact can also cause the suspension compoment to be bent or shifted or damaged although the chassis is still straight.  This may give rise to a shift in the vehicle alignment.It is always good practise to eliminate the obvious and simple faults first before jumping to the worst.  You must take care before concluding that the difference in castor between your LH and RH is 1 cm.  It could be the  datum from which you measure is incorrect or not true or it is your RH that is off.  The advise to take it for alignment check is very good.In my case, I detected a vibration at 100kph and a pull to one side.  I sent it for balancing and alignment.  It lasted only for 3 days and this time, the vibration started at 70kph.  Checked and found the rim to be bent.  Fixed the rims and there was still some vibration.In the end it was the lower A arm.  The rear mounting bush was moving fore and aft.  Changed the A arms - Problem resolved.</blockquote>

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