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– Remove the shear bolt -1- with a screwdriver -2-. ule - J623- . – Release the retainers in direction of -arrow A- and remove the Engine Control Module - J623- in direction of -arrow B-. – Unlock and disconnect the connectors from the Engine Con‐ trol Module - J623- . Installing the lower edge forward in direction of -arrow A- and locked on the upper edge. – Engine Control Module - J623- must be installed again with protective housing. – Clean any locking fluid still in the threaded holes for the shear bolt. Cleaning can be performed with a thread cutter (tap). – Always use new shear bolts. Gr. 27 ; Battery; Battery, Disconnecting and Connecting . Perform the Following after Installing a New ECM Vehicle Diagnostic Tester : ♦ 01 - Engine Electronics ♦ Guided Functions ♦ 01 - Engine Control Module Replacing |