Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

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Removal and Replacement

KNOCK SENSOR

REMOVAL AND INSTALLATION [2.4L ENGINE]

CAUTION:
^ When the knock sensor replacement is performed, use scan tool MB991958 to initialize the learning value.
^ Do not drop or hit the knock sensor against other components. Internal damage may result, and the knock sensor will need to be replaced.


Pre-removal & Post-installation Operation:




Removal Steps 1-4:





REMOVAL AND INSTALLATION [3.0L ENGINE]

CAUTION:
^ When the knock sensor replacement is performed, use scan tool MB991958 to initialize the learning value.
^ Do not drop or hit the knock sensor against other components. Internal damage may result, and the knock sensor will need to be replaced.


Pre-removal & Post-installation Operation:




Removal Steps 1-2: