Operation CHARM: Car repair manuals for everyone.
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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Component Tests and General Diagnostics



No mechanical component in the distributor can be properly inspected without removal and disassembly of the unit. Refer to COMPONENT REPLACEMENT AND REPAIR PROCEDURES.

Visually inspect the housing for oil leaks, damage or wear during disassembly. Repair or replace the unit as needed.
Refer to COMPUTERS AND CONTROL SYSTEMS for Crankshaft Position and Camshaft (TDC) sensor testing procedures.