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| V12 Tech Posts of a technical nature related to all V12 Lambos |
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This is an easy problem to diagnois from the beginning!
Put the car in the air, pull the wheels and check "ROTOR RUNOUT" with a securely mounted "Dial Indicator" (and proper attactachments) .......adjust the Dial Indicator Needle so that it it completely unobstructed as the rotor is turned 360 Degrees by hand (several full turns will be needed) and not to close as to negate needle movement or to far away as to not be touching full circle. The SERO the Dial and slowly turn the rotor while watching the Needle.....more than .002" is not to hot....over .004" and Peddle Pulse can come into play. Side note - Check the Wheel Bearings for PLAY Before Removing the wheels as this will skew the Dial Indicator Readings if the Bearings are loose! (God I hope these New Techs at least know this much about diagnosing cars!!) |
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