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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Sight Glass: Description and Operation
A/C Refrigerant System Component Functions, Overview
Sight glass (if equipped)With a properly charged A/C system and A/C clutch engaged, the
sight glass (arrow) should remain clear and bubble-free.
NOTE: The mixture of R-134a
refrigerant and
refrigerant oil (PAG oil) may appear milky in the
sight glass.
