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 MANUALSSUBARU2007IMPREZA BASE, 4D WAGON, AUTOMATICREPAIR AND DIAGNOSISENGINE PERFORMANCEENGINE CONTROL SYSTEMSFUEL INJECTION SYSTEM (H4SO)VARIABLE VALVE LIFT DIAGNOSIS OIL PRESSURE SWITCHINSTALLATION
2007 Subaru Impreza Base, 4D Wagon, Automatic
Variable Valve Lift Diagnosis Oil Pressure Switch: Installation
2007 Subaru Impreza Base, 4D Wagon, AutomaticSECTION Installation
Install in the reverse order of removal.
NOTE:
Apply liquid gasket to the variable valve lift diagnosis oil pressure switch threads.
Liquid gasket:
THREE BOND 1324 (Part No. 004403042) or equivalent
Tightening torque:
17 N.m (1.7 kgf-m, 12.5 ft-lb)
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.