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Cayenne Model System
Air Distribution Components
These components make up the Cayenne air distribution
system:
• Air Distribution Housing
• Evaporator
• Heater Core
• Blower
• Air Control Flaps
• Climate Control Unit
• Four-zone Components (optional)
Particle Filter
All Cayenne models have a charcoal particle filter
integrated into the air distribution housing. The filter is
located in front of the evaporator and can be removed for
service from the passenger side footwell.
Page 4.8
Climate Control Systems Diagnosis & Repair
Rear Heating and Cooling Unit
Cayenne models with the optional 4-Zone system have a
rear heating/cooling unit. The unit is located in the rear
cargo area on the left side, behind the left rear wheel
housing. This system provides each rear passenger with
separate controls for temperature and air distribution.
Notes:
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