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)
Or, hide this message:
temporarily or
permanently
Vacuum Amplifier: Testing and Inspection
1.
Disconnect hose that connects
vacuum amplifier to EGR control valve and install ``T'' connector and vacuum gauge.
2.
With engine idling vacuum gauge should read 5.31-6.5 inches Hg. If reading is excessively outside range, replace amplifier.
3.
With engine speed at approximately 2000 RPM, vacuum gauge should read 11.18-12.76 inches Hg. If reading is outside range, replace amplifier.