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 MANUALSSUBARU1998FORESTER BASEREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE MECHANICALCOOLING FANELECTRIC COOLING FAN
1998 Subaru Forester Base
Electric Cooling Fan
1998 Subaru Forester BaseSECTION Electric Cooling Fan
- Description & Operation
- Trouble Shooting
- Component Tests
- Diagnostic Test Index
- Diagnostic Tests (Main Fan)
- Introduction
- 2A1: Checking Power Supply To Main Fan Motor
- 2A2: Checking Ground Circuit Of Main Fan Motor
- 2A3: Checking Poor Contact
- 2A4: Checking Main Fan Motor
- 2A5: Checking Power Supply To Main Fan Relay
- 2A6: Checking Power Supply To Main Fan Relay
- 2A7: Checking 20 A Fuse
- 2A8: Checking Harness Connector Between Main Fuse Box & A/C Relay Holder 20 A Fuse
- 2A9: Checking Poor Contact, Main Fuse Box
- 2A10: Checking Poor Contact, A/C Relay Holder
- 2A11: Checking Harness Connector Between 20 A Fuse & Main Fan Relay In A/C Relay Holder
- 2A12: Checking Fuse No. 18
- 2A13: Checking Harness Connector Between Ignition Switch & Joint Box
- 2A14: Checking Poor Contact In Ignition Switch Connector
- 2A15: Checking Poor Contact In 10 A Fuse Connector
- 2A16: Checking Main Fan Relay
- 2A17: Checking Main Fan Relay
- 2A18: Checking Harness Connector Between Main Fan Relay & Main Fan Motor
- 2A19: Checking Poor Contact In Main Fan Relay Connector
- 2A20: Checking Poor Contact In Main Fan Relay Connector
- Diagnostic Tests (Sub Fan)
- Introduction
- 3A1: Checking Power Supply To Sub Fan Motor
- 3A2: Checking Ground Circuit Of Sub Fan Motor
- 3A3: Checking Poor Contact
- 3A4: Checking Sub Fan Motor
- 3A5: Checking Power Supply To Sub Fan Relay
- 3A6: Checking Power Supply To Sub Fan Relay
- 3A7: Checking 20 A Fuse
- 3A8: Checking Harness Connector Between Main Fuse Box & A/C Relay Holder 20 A Fuse
- 3A9: Checking Poor Contact In Main Fuse Box Connector
- 3A10: Checking Poor Contact In A/C Relay Holder
- 3A11: Checking Harness Connector Between 20 A Fuse & Sub Fan Relay In A/C Relay Holder
- 3A12: Checking Fuse No. 17
- 3A13: Checking Harness Connector Between Ignition Switch & Joint Box
- 3A14: Checking Poor Contact In Ignition Switch Connector
- 3A15: Checking Poor Contact In Fuse Connector
- 3A16: Checking Sub Fan Relay
- 3A17: Checking Sub Fan Relay
- 3A18: Checking Harness Connector Between Sub Fan Relay & Sub Fan Motor
- 3A19: Checking Poor Contact In Relay Connector
- 3A20: Checking Poor Contact In Fan Motor Connector
- Removal, Disassembly, Assembly & Installation
- Wiring Diagrams
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.