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 MANUALSSUBARU1998LEGACY BRIGHTON WAGON AWD F4-2.2L SOHCREPAIR AND DIAGNOSISHEATING AND AIR CONDITIONINGSERVICE AND REPAIRA/C SYSTEM SERVICE PROCEDURELUBRICATION
1998 Subaru Legacy Brighton Wagon AWD F4-2.2L SOHC
Lubrication
1998 Subaru Legacy Brighton Wagon AWD F4-2.2L SOHCSECTION Lubrication
Lubrication
1. SYSTEM OIL STABILIZATION
Prior to opening the refrigerant system for repairs (except compressor seizure) the system must be stabilized for correct oil replenishment.
Follow these procedures:
1. Engine speed set to 1,500 rpm
2. A/C "ON"
3. Air source to recirculate
4. Blower in 4th or high speed position
- Make sure the air entering the evaporator is above 26.7 °C (80 °F).
- The discharge (high) side pressure must be above 588 kPa (6 kg/sq.cm, 85 psi).
5. Operate the A/C for 10 minutes.
2. SYSTEM DISCHARGE
Slowly, discharge the system starting with the high-pressure side until the pressure drops below 345 kPa (3.52 kg/sq.cm, 50 psi), then open the low-pressure side.
3. OIL REPLACEMENT
After stabilization and discharge, replace the component, adding the appropriate amount of oil (ZXL100PG) to the new component before installation.
If the compressor is replaced (after stabilization):
1. Drain and measure the oil from the original compressor.
2. Drain the oil from the replacement compressor and refill with the same amount that was drained from the original [20 ml (0.7 US fl oz, 0.7 Imp fl oz) minimum]. Always use ZXL100PG for the replacement oil.
1. SYSTEM OIL STABILIZATION
Prior to opening the refrigerant system for repairs (except compressor seizure) the system must be stabilized for correct oil replenishment.
Follow these procedures:
1. Engine speed set to 1,500 rpm
2. A/C "ON"
3. Air source to recirculate
4. Blower in 4th or high speed position
- Make sure the air entering the evaporator is above 26.7 °C (80 °F).
- The discharge (high) side pressure must be above 588 kPa (6 kg/sq.cm, 85 psi).
5. Operate the A/C for 10 minutes.
2. SYSTEM DISCHARGE
Slowly, discharge the system starting with the high-pressure side until the pressure drops below 345 kPa (3.52 kg/sq.cm, 50 psi), then open the low-pressure side.
3. OIL REPLACEMENT
After stabilization and discharge, replace the component, adding the appropriate amount of oil (ZXL100PG) to the new component before installation.
If the compressor is replaced (after stabilization):
1. Drain and measure the oil from the original compressor.
2. Drain the oil from the replacement compressor and refill with the same amount that was drained from the original [20 ml (0.7 US fl oz, 0.7 Imp fl oz) minimum]. Always use ZXL100PG for the replacement oil.
RENDER: 1.0x
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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.