A4 Quattro Cabriolet L4-2.0L Turbo (BWT) (2009)
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The threads of both shear bolts - 3 - (that are screwed into the ECM) are not coated with a locking compound. The threads in the ECM housing
must not be heated and do not require to be heated (unintentional heating of the ECM).
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Set adjustment on the heat gun as shown in the illustration, with the temperature potentiometer - 2 - set to maximum heat and the two-stage air
flow switch - 3 - set to level 3.
‹› Then, the shear bolts are heated with the heat gun. During this step, the holding effect that the locking compound has on the shear bolt threads is
reduced, thereby allowing the shear bolts to be unscrewed easier.
‹› Cover all painted components to prevent damage that may be caused by the heat gun or the locking pliers.
