S6 Quattro Sedan V10-5.2L (BXA) (2007)
Removal
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Remove the rubber seal from the plenum chamber cover - 1 -.
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Remove the plenum chamber cover - 2 -.
‹› The Engine Control Modules (ECM) are identical. If both Engine Control Modules (ECM) are removed, they must be marked before removal to
prevent them from being interchanged when re-installing.
‹› Engine Control Module (ECM) (J623) (master) - 2 -: "M".
‹› Engine Control Module (ECM) 2 (J624) (slave) - 1 -: "S".
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Remove the Engine Control Module (ECM) 2 (J624) (slave) - 1 -.
‹› The Engine Control Module (ECM) 2 (J624) - 1 - is secured to a protective housing - 2, 5 - with shear bolts - 3, 4 -.
‹› To disconnect the electrical harness connectors from the Engine Control Module (ECM) (J623) (e.g. to connect the test box or to replace the
ECM), the protective housing - 2, 5 - must be removed.
‹› The threads of the shear bolts - 3 - are coated with a locking compound to make removal more difficult and must be heated prior to removal.