Why do subarus leak oil?

Why do subarus leak oil?

SUBARU Valve cover gaskets oil leak These gaskets seal the valves covers against the mating surface cylinder head. They can shrink or crack with age and then result in an oil leak. The oil in this area is not under pressure as it is on its way to draining back to the oil pan.

How do I fix a leaking oil timing cover?

Timing Cover Oil Leak Fixes The only two options for fixing a timing cover oil leak is to restore the gasket or replace the gasket. BlueDevil Oil Stop Leak can restore your timing cover gasket or front crank seal stopping your oil leak if repacing the gasket doesn’t make sense if your vehicle.

Why is my timing cover leaking oil?

The timing cover has a gasket that allows the cover to be securely attached to the engine block. Over time and due to exposure to heat, dirt, road grime, and more, the gasket can often become cracked or wear out. A broken gasket is not the only reason why oil might be leaking from the timing cover.

Where is the oil leak on a Subaru?

The camshaft sprockets are behind the timing belt cover. These oil seals can leak with age and mileage, especially the earlier black colored seals. The later brown colored seals are more resilient.

When to replace the oil seals on a Subaru?

The later brown colored seals are more resilient. The smart time to replace the front cam seals is when the timing belt it is changed, since much of the labor involved in replacing these oil seals involves the R&R (removal&reinstallation) of the timing belt. On the SOHC (single overhead cam) engines, there are two if these front camshaft oil seals.

Where is the oil leak on a timing cover?

The timing cover is a notorious leak location on many vehicles due to the timing cover’s large size, awkward shape, and multiple joints that need to be sealed.   On top of that, your timing cover will also have an oil seal where your harmonic balancer is attached to the front of your crankshaft.

Can a timing cover be replaced on a Subaru?

However, research and calls to Subaru mechanics revealed that a seep/leak could require replacement of the timing cover, resealing of the camshaft carriers or repair of the valve cover gasket – all expensive repairs.