Manuals through 2025 now available!
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LEMON is the spiritual successor to CHARM, I recommend you try it!
Link:
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lemon-manuals.org.ua
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Heater Control Valve: Service and Repair
HEATER CONTROL UNITRemoval / Installation 1.
Disconnect the negative battery cable.
2.
Remove as shown in the image.
3.
Install in the reverse order of removal.
Note: After installing the heater control unit, check its operation.