Parts for your 2007 Subaru Forester-Oil seals

2007 Subaru Forester Oil Seals — What They Do and When to Replace

Oil seals are absolutely used on the 2007 Subaru Forester and are very relevant to routine servicing. Technical sources including the Subaru Factory Service Manual (engine, transmission and differential sections) and the Subaru electronic parts catalogue for the SG-series Forester list multiple oil seals: front and rear crankshaft seals, camshaft seals, oil pump seal, axle/differential side seals, and transmission input/output shaft seals. Independent workshop references such as common Forester/EJ-engine workshop manuals echo the same components and service procedures.

On this model, oil seals keep engine and drivetrain lubricants where they should be, stopping leaks and keeping dust and water out. That means steadier oil pressure, cleaner timing components, and longer life for bearings, clutches and belts. They’re small rings of rubber or fluoroelastomer with a spring-loaded lip that runs on a machined shaft surface.

• Engine: front and rear crankshaft seals, LH/RH camshaft seals, oil pump seal.
• Transmission and AWD: front diff/gearbox axle seals (manual or auto), transfer/output shaft seals, rear differential side seals and pinion seal.

There’s no set “change-by” interval for oil seals, but they should be inspected at every service. Many owners choose preventative replacement of the front crank and both cam seals during the timing belt service (typically 100,000–160,000 km, market and service history dependent). It’s smart because the belt, crank pulley and cam gears are already off, saving time and labour.

Tell-tale signs of a tired seal include fresh oil weeping behind the timing covers, oil flung onto the undertray, a burning-oil whiff after a drive, or dampness where the axle enters the gearbox or diff. Left alone, leaks can soften the timing belt, contaminate clutch linings, or drop fluid levels in the transmission or diffs.

1. Use genuine-quality seals and lightly oil the lips before fitting