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: Testing and Inspection
1.
Remove
EGR valve.
2.
Ensure
EGR valve operates smoothly without sticking in any position.
3.
Ensure heavy carbon deposits do not exist.
4.
Apply 5.9 inches of vacuum to
EGR valve.
5.
Ensure air passes through valve with no restriction.
6.
If any test fails, replace the
EGR valve.