Q5 Quattro V6-3.2L (CALB) (2009)
-
Release retainers - A arrows - and remove engine control module (ECM) (J623) - arrow B -.
To increase the difficulty with which the ECM connectors can be accessed, the ECM - 1 - is secured in a metal housing - 5 - with retaining tabs - 2 -
and shear bolts - 3 and 4 -.
The threads of the shear bolts - 4 - (that are not screwed into the ECM) are coated with a locking compound. For this reason, the threads must be
heated with the heat gun to remove both bolts.
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