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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Exhaust Gas Recirculation: Testing and Inspection
Fig. 37 Placeing Finger Against Diaphragm.:
1.
Start the engine and run at idle.
2.
Place a finger against the
EGR valve diaphragm
Fig. 37. 3.
Increase engine speed to about 2,000 rpm.
4.
Check whether the diaphragm moves.
Cold engine: Diaphragm does not move
Warm engine (Coolant temperature above 55°C (133°F): Diaphragm moves.
