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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Fuel Filter: Description and Operation

PURPOSE
Remove particles from fuel that may cause component damage and/or clog fuel passages.

OPERATION
System is designed so that fuel passes through the two filters before reaching injection components on engine.

CONSTRUCTION
Low Pressure Side
Nylon element type on fuel pump.

High Pressure Side
In-line metal canister type with paper filter element.