Generac — Oil Filter and Oil Pressure Sensor Removal and Installation
Maintenance · Lubrication system
From a Generac service manual covering: CAC478, CAC480, SQR480. Check it applies to your exact model before use.
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Procedure
- Remove the oil filter by rotating it counterclockwise.
- Remove the oil pressure sensor.
- Apply engine oil to the oil filter sealing gasket and screw into the connector; tighten to 12－17Nm.
- Alternatively screw the filter in by hand; once the rubber gasket contacts the block, tighten another 3/4－1 turn.
- Apply Loctite 243 sealant to the oil pressure sensor threads and screw into the main oil passage; tighten to 20 ft-lbs.
Tools required
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Oil filter: 12－17Nm
- Oil pressure sensor: 20 ft-lbs
Source: Generac service manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.