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 MANUALSSUBARU1985GL 4D SEDAN, 1.8 5, STANDARDREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCESYSTEMAIR INJECTION SYSTEMCOMPONENT TESTINGSOLENOID VALVE
1985 Subaru GL 4D Sedan, 1.8 5, Standard
Solenoid Valve
1985 Subaru GL 4D Sedan, 1.8 5, StandardSECTION Solenoid Valve
- Inspect the vacuum passage for proper opening and closing when applying electrical current on both positive and negative terminals. If passage opens and closes, component is normal. If not, replace solenoid valve.
- Check the resistance between positive or negative terminal and body of solenoid valve I. Standard resistance is 1 M/ohms or more. If valve is not within limits, replace solenoid valve.
- Measure resistance between the positive and negative terminals. Specified resistance is 32.7-39.9 ohms. If valve is not within limits, replacement is necessary.
NOTE:
With current off, solenoid valve plunger is forced upward by spring pressure, closing off passage between "A" and "B" and opening passage between "B" and "C". With current on, plunger is attracted downward, opening passage between "A" and "B" and closing passage between "B" and "C". See Fig 1
.
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:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.