Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSVOLKSWAGEN2003NEW BEETLE (1C1) L4-2.0L (AVH)REPAIR AND DIAGNOSISHEATING AND AIR CONDITIONINGSERVICE AND REPAIRCOMPONENTS IN PASSENGER COMPARTMENT SERVICING
2003 Volkswagen New Beetle (1C1) L4-2.0L (AVH)
Components In Passenger Compartment Servicing
2003 Volkswagen New Beetle (1C1) L4-2.0L (AVH)SECTION Components In Passenger Compartment Servicing
Components in passenger compartment, servicing
CAUTION!
Before beginning repairs on the electrical system:
- Obtain the anti-theft radio security code.
- Switch the ignition off.
- Disconnect the battery Ground (GND) strap.
- After reconnecting battery, recode and check operation of anti-theft radio. Also check operation of clock and power windows.
- Immediately plug open connections on A/C components to prevent dirt and moisture contamination.
NOTE:
- Before carrying out any work on the A/C refrigerant system. Refer to "A/C Refrigerant System, Safety Measures" [1][2]Technician Safety Information
- System components identified with an * must only be serviced or replaced after discharging refrigerant system. Use Kent Moore ACR4 or equivalent.
1 - Heating and A/C controls
- With A/C switch -E35-
- With fresh air blower switch -E9-
- With switch for fresh air blower and recirculated air -E184-
- Removing and installing
- Assembly
2 - Dust and pollen filter
- Removing and installing
3 - Side window air outlet
- Removing. Refer to "Air Outlets, Removing" Service and Repair
4 - Side air outlets
- Removing. Refer to "Air Outlets, Removing" Service and Repair
5 - Center air outlet console
- Removing. Refer to "Air Outlets, Removing" Service and Repair
6 - Instrument panel cross member
- Loosening and tightening. Refer Fig. 5 in "Heating and Ventilation System, Assembly" Service and Repair
7 - Servo motor for fresh/recirculating air door -V154-
- Removing and installing
8 - Fresh air blower -V2-
- Removing. Refer Fig. 4 in "Heating and Ventilation System, Assembly" Service and Repair
9 - Fresh air blower series resistance with fuse -N24-
- Removing. Refer Fig. 4 in "Heating and Ventilation System, Assembly" Service and Repair
10 - Intermediate duct
11 - Cables
- Installing and adjusting. Refer to "Heating and A/C Cables, Installing and Adjusting" Adjustments
12 - Rear footwell duct
13 - Gasket
14 - Connecting duct
- With front footwell air outlet
- Removing
15 - Heater/evaporator unit*
- Disassembly and assembly
16 - Heater core*
- Removing.
- Always use new coolant after replacement
17 - Heater core/bulkhead seal
- Note installation position. Refer Fig. 2 in "Heating and Ventilation Unit, Assembly" Service and Repair
18 - Defroster duct
- Replacing:
- Remove instrument panel
- Loosen instrument panel cross member. Refer Fig. 5 in "Heating and Ventilation System, Assembly" Service and Repair
19 - Instrument panel
- Removing and installing
20 - Center air outlet duct
21 - Defroster air outlet panel
- Removing
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.