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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EGR Electronic Vacuum Regulator Solenoid: Service and Repair

Vacuum Regulator:





1. Disconnect battery ground cable.
2. Disconnect engine control sensor wiring and vacuum hoses from Exhaust Gas Recirculation (EGR) vacuum regulator control.
3. Remove retaining bolts and EGR vacuum regulator control from upper intake manifold.
4. To install, reverse removal procedure. Tighten retaining bolts to 5-7 Nm (44-62 in lb).