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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EGR Valve: Service and Repair

EGR Valve R&R:






1. Disconnect vacuum hose and unplug function sensor connector.
2. Remove fasteners and lift off valve.
3. Clean manifold surface.
4. Fit valve with new gasket. Tighten fasteners to 14 - 18 ft lb (19 - 25 Nm).
5. Connect vacuum hose and plug in function sensor connector.