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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Will Not Go Into 4WD Mode

Will not go into 4WD mode

Fluid level too low. Add recommended fluid.

Incorrect fluid type. Drain and fill the differential with the recommended fluid.

Also check for

Most problems in the unit can be diagnosed by identifying noises from the gears or bearings.

Also check for

Be careful during diagnosis not to confuse differential noises with those from other drivetrain components.