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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Differential Clutch: Testing and Inspection

Differential Clutch Pump Check Valve Cleaning and Inspection




Inspect the inlet valve for the following:
^ Damaged, loose, or missing pick up screen (1)
^ Damaged, or missing O-rings (2)
^ Damaged electrical connector (3)
^ Oil passages (4) restricted by dirt or debris