Manual Air Conditioning: General: Specifications

2010 Subaru Impreza 2.5i, 4D Sedan, AutomaticSECTION Specifications
Item Specifications Remarks
Air conditioning "Full-air-mix" type  
Cooling performance Cooling capacity (W) 5300  
Air flow rate (m3 /h) 460
Refrigerant quantity HFC-134a (g) 400±30  
Compressor Type Scroll Denso SCSA08C
Capacity (cm3 /rev) 74.5
Maximum permissible speed (rpm) 9000
Lubricant (amount contained in compressor in g) Denso oil 8 (70)
Magnetic clutch Type Dry, single disc  
Power consumption (W) 35
Pulley ratio 1:1.43 (crankshaft pulley diameter: 133 mm; compressor pulley diameter: 125 mm)
Belt Polyurethane V-belt with four ribs
Condenser Type Multi-flow type (with built-in liquid tank for subcooling)  
Fan Type Electric-motor-driven axial flow fan  
Fan diameter 300 mm (7+5 blades)  
Power consumption (W) 90 x 2  
Evaporator Type Laminated  
Expansion valve External pressure equalizing type
Temperature control Thermo AMP (amplifier)
Other controls Fast idle control system Engine control module (ECM)  
High and low pressure limit control Low pressure switch: Turns off compressor at a pressure lower than 0.196 MPa High-pressure switch: Turns off compressor at a pressure higher than 3.140 MPa
High-speed limit control Performed by ECM
Radiator and condenser fan control Performed by ECM
RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

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.