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 MANUALSSUBARU2002LEGACY GT WAGON AWD F4-2.5L SOHCREPAIR AND DIAGNOSISHEATING AND AIR CONDITIONINGCOMPRESSOR HVACSERVICE AND REPAIRCOMPRESSOR
2002 Subaru Legacy GT Wagon AWD F4-2.5L SOHC
Compressor
2002 Subaru Legacy GT Wagon AWD F4-2.5L SOHCSECTION Compressor
Compressor
REMOVAL
1. Perform oil return operation.
2. Turn A/C switch OFF and stop the engine.
3. Using refrigerant recovery system, discharge refrigerant.
4. Disconnect ground cable from battery.
5. Remove duct (A).
6. Disconnect low-pressure hose (A) and high-pressure hose (B).
CAUTION: Be careful not to lose O-rings on hose. Immediately seal hose with a plug or vinyl tape to prevent the entry of contamination.
7. Remove V-belt.
8. Remove generator.
9. Disconnect compressor harness from body harness.
10. Remove bolts from compressor bracket.
4 CYLINDERS:
6 CYLINDERS:
11. Loosen bolts to remove compressor from bracket.
INSTALLATION
1. Install in the reverse order of removal.
2. Replace O-rings on low-/high-pressure hoses with new ones, then apply compressor oil.
3. When replacing compressor, adjust amount of compressor oil.
4. Charge refrigerant.
Tightening torque:
Refer to COMPONENT of General Description
REMOVAL
1. Perform oil return operation.
2. Turn A/C switch OFF and stop the engine.
3. Using refrigerant recovery system, discharge refrigerant.
4. Disconnect ground cable from battery.
5. Remove duct (A).
6. Disconnect low-pressure hose (A) and high-pressure hose (B).
CAUTION: Be careful not to lose O-rings on hose. Immediately seal hose with a plug or vinyl tape to prevent the entry of contamination.
7. Remove V-belt.
8. Remove generator.
9. Disconnect compressor harness from body harness.
10. Remove bolts from compressor bracket.
4 CYLINDERS:
6 CYLINDERS:
11. Loosen bolts to remove compressor from bracket.
INSTALLATION
1. Install in the reverse order of removal.
2. Replace O-rings on low-/high-pressure hoses with new ones, then apply compressor oil.
3. When replacing compressor, adjust amount of compressor oil.
4. Charge refrigerant.
Tightening torque:
Refer to COMPONENT of General Description
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.