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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TDC/Crank Sensor - Replacement

Prelude TDC/CRANK
Sensor Replacement

Before replacing a TDC or crank angle sensor on an '88-91 Prelude, measure the air gap on the original sensor. When you install the new sensor, adjust the air gap to the original measurement.