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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Service Port HVAC: Description and Operation

The A/C service port valve cores are serviceable items. The high side valve is located on the located on the manifold directly over the discharge port of the compressor. The low side valve is located on the liquid line near the evaporator inlet tube at the rear of the engine compartment.