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 CONDITIONINGHEATER CORE CASESERVICE AND REPAIR
1998 Subaru Legacy Brighton Wagon AWD F4-2.2L SOHC
Heater Core Case: Service and Repair
1998 Subaru Legacy Brighton Wagon AWD F4-2.2L SOHCSECTION Service and Repair
Heater Unit
REMOVAL AND INSTALLATION
1. Disconnect GND cable from battery.
2. Remove heater hoses (inlet, outlet) in engine compartment.
NOTE: Drain as much coolant from heater unit as possible, and plug disconnected hose with cloth.
3. Remove instrument panel.
4. Remove steering support beam.
5. Remove evaporator. (With A/C model)
6. Remove heater unit.
7. Installation is in the reverse order of removal.
Fitted length of heater hose over pipe:
25 - 30 mm (0.98- 1.18 in)
8. Pour coolant.
REMOVAL AND INSTALLATION
1. Disconnect GND cable from battery.
2. Remove heater hoses (inlet, outlet) in engine compartment.
NOTE: Drain as much coolant from heater unit as possible, and plug disconnected hose with cloth.
3. Remove instrument panel.
4. Remove steering support beam.
5. Remove evaporator. (With A/C model)
6. Remove heater unit.
7. Installation is in the reverse order of removal.
Fitted length of heater hose over pipe:
25 - 30 mm (0.98- 1.18 in)
8. Pour coolant.
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.