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with respect to the correctness of information in this document. Copyright by AUDI AG.
Note
The threads of both shear bolts -3- that are installed in 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 (un‐
intentional heating of the ECM).
– Remove both shear bolts -3-.
– Separate retaining tab -2- of control module connector.
– Release and pull off connectors from Engine Control Module
(ECM).
Note
Adaptation values are erased when connectors are disconnected
from the Engine Control Module (ECM), DTC memory content
remains intact.
Installing
Installation is in reverse order of removal, note the following:
– The ECM must be equipped with protective housing again.
– Clean locking compound residue from shear bolt threaded
holes. Cleaning can be performed with a thread cutter (tap).
– Use new shear bolts.
After installing a new Engine Control Module (ECM), the following
work steps must be performed:
– Activate engine control module (ECM) in “Guided Fault-Find‐
ing” under “Replacing engine control module (ECM)” ⇒ Vehicle
diagnosis, testing and information system VAS 5051.
5.7 Oxygen Sensor before Catalytic Con‐
verter, Bank 1
Special tools and workshop equipment required
♦ Ring spanner 7-piece set for oxygen sensor -3337-
Removing
– Remove rear engine cover -arrows-.
Audi A6 2005 ➤
Fuel Injection and Ignition - Edition 03.2008
44 Rep. Gr.24 - Fuel injection system
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