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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Vacuum Regulator (2-Port)

1. Remove vacuum line from the barbed output port (Fig. 1), and install a vacuum gauge.

2. With manifold vacuum at the input port and the engine at idle, the vacuum gauge should read between 35.7-45.9 kPa (10.5-13.5 in-Hg).

3. If the vacuum gauge reading is not within the specification, replace the regulator as required.

NOTE: The two port vacuum regulator is commonly attached to a 90-cubic inch vacuum reservoir.