Vehicle heating and ventilation system Ford Focus 1

Tightening torque specification
Name Nm Pound foot Pound-inch Fastening nuts (M6) for heater and evaporator housing 7 - 62 Fastening nuts (M8) for heater and evaporator housing 9 - 80 Inner Cross Beam...

Description and principle of operation
In the new heating system, the coolant flows continuously through the heater core. The heating system output is regulated by a mechanical air temperature control valve....

Blower motor — removal and installation
Removal 1. Remove the lower footwell trim panel. 2. Open the glove compartment. 3. Remove the footwell vent duct. Disconnect the hose. 4. Close the glove compartment. 5....

Heater and Evaporator Housing — Removal and Installation
Special tool Coolant Hose Clamp Remover/Installer 303-397 (24-003) 5/8" Spring Lock Coupling Puller (Black) 412-081 (34-003) Removal Cars with air conditioning system 1....

Heater core — removal and installation
Special tool Coolant Hose Clamp Remover/Installer 303-397 (24-003) Removal 1. Drain the coolant from the cooling system. Refer to Section 303-03 for additional...

Heater housing — disassembly and assembly
Disassembly 1. Release the ventilation hose at floor level. Disconnect the hose. 2. Disconnect the heater/heat exchanger housing sections. Remove two bolts. Release the...

Additional heating specifications
Tightening torque specification Name Nm Pound foot Pound-inch Additional heater mounting bolt 6 - 53 Auxiliary Heater Outlet Pipe Clamp 7 - 62 Additional heater outlet...

Description and operating principle of additional heating
Diesel vehicles intended for the Scandinavian market are equipped with a fuel-fired auxiliary heater because the low outside temperature and high engine efficiency mean...

Diagnostics and testing of additional heating
Diagnostics and checks 1. Check the customer complaint. 2. Visually inspect for any obvious mechanical or electrical damage. Visual inspection Mechanical factors...

Pinpoint tests of additional heating
PINPOINT TEST A: FUEL-FUELLED AUXILIARY HEATER NOT WORKING STATES DETAILS/RESULTS/ACTIONS A1: CHECKING FUSE F23 1 Enter the OFF position. 2 CHECK Fuse F23 (BJB). • Is...

Diagnostics and testing of electric additional heater
Inspection and verification 1. Check the validity of the customer's complaint. 2. Visually inspect for any obvious mechanical or electrical damage. Visual inspection...

Pinpoint tests of electric auxiliary heater
PINPOINT TEST B: ADDITIONAL ELECTRIC HEATER WITH COOLANT HEATING DOES NOT WORK/PARTIALLY DOES NOT WORK STATES DETAILS/RESULTS/ACTIONS NOTE: The additional electric...

Additional fuel-fired heater — removal and installation
Removal 1. Remove the air filter housing. 1. Disconnect the air cleaner inlet hose going to the engine. 2. Disconnect the intake air temperature (IAT) sensor connector....

Additional heater — disassembly and assembly
Disassembly 1. Remove the water cooling jacket cover. 2. Remove the combustion chamber blower motor cover. 3. Disconnect the overheat sensor and temperature sensor from...