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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Preliminary Instructions

Heater Hoses:




Heater Pipes:






Check all heater hose routing for installation to avoid contact with any obstruction that could result in a damaged hose. Some hoses are equipped with conduit in areas where rubbing may occur. Make sure conduit and heat sleeving are in the same location as the original when replacing a hose. when servicing a heater hose with a quick connect assembly, REPLACEMENT OF THE RETAINER IS RECOMMENDED. Refer to Quick Connect Retainer.