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.
2021 Subaru Forester BaseFACTORY OEM SERVICE PROCEDURE
Oil Pressure Switch: Installation
- Apply seal material to the bolt threads of oil pressure switch, and install the oil pressure switch.NOTE: Before applying the seal material, degrease the oil pressure switch and the thread portions of the chain cover.
Seal material:
THREE BOND 1324 (Part No. 004403042) or equivalent
Tightening torque:
18 N.m (1.8 kgf-m, 13.3 ft-lb)
- Connect the terminal, and attach the rubber cap.
Tightening torque:
1.5 N.m (0.2 kgf-m, 1.1 ft-lb)
NOTE: Fix the terminal within the range of 90° as shown in the figure. - Check the engine oil level and replenish the engine oil if necessary. Ref. to LUBRICATION (H4DO)>Engine Oil>INSPECTION .
- Connect the ground terminal to battery sensor. Ref. to GROUND TERMINAL REMOVAL OR INSTALLATION .
Factory Service Tools
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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.