GMC JIMMY HEATER

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    Heater CoreHoseNot WorkingSwitch
    Heater Not Working
    VIDEO
    Heater Not Working
    Instructional repair video
    Heater
    GUIDE
    Heater
    Once the engine has been started and has run long enough to warm up the hot coolant is transferred into the heater core which is located inside the passenger compartment via...
    Heater Not Working
    GUIDE
    Heater Not Working
    Step 1 - A heater cannot operate unless the engine is full of coolant/antifreeze. If coolant level is low check the system for leaks.
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