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

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Air Register: Service and Repair



Control Knob, Air Vent (with Chrome Ring)

WARNING: There is a risk of personal injury when using a knife. Use suitable safety equipment such as protective safety glasses and protective gloves.

To remove

1. Carefully separate the plastic top (A) from the rubber knob using a knife.







2. Remove the rubber knob (B) from the control knob (C).







To fit

1. Press the rubber knob (B) on the control knob (C).







2. Press the plastic top (A) onto the rubber knob (B).