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

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Heater Control Valve: Service and Repair

Water Valve W/turbo:




1. Remove battery and tray assembly.
2. Drain engine cooling system.
3. Locate and loosen hose clamps at water valve.
4. Disconnect vacuum line and heater hoses from water control valve (mark hoses to assure correct valve installation).
5. Remove attaching bolt and separate valve from vehicle.

To install, reverse the preceeding operation.