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)

Or, hide this message: temporarily or permanently

Heater Control Valve: Service and Repair

Heater Water Valve (If Equipped):

Remove or Disconnect

1. Engine coolant.
2. Hose clamps at heater water valve.
- Loosen the clamps enough to slide the clamps away from the fittings on the valve.
3. Hoses from valve.
4. Vacuum line from valve.
5. Valve.

Install or Connect

1. Vacuum line to valve.
2. Hoses to valve.
3. Clamps to hoses.
- Slide clamps to previous location beyond retaining bead on water valve fitting.
4. Engine coolant.