Oceanside Auto Repair

Tag Archives: Value Cover Replacement

BMW Valve Cover: Why do I need to replace it?

BMW Valve Cover: Why do I need to replace it?

In most cases, valve covers look great from first glance. However, as we take a closer look at the condition of a valve cover, we can typically see imperfections in the cover itself. Unfortunately,  this can negatively affect how the valve cover seals on the top of our engine. In this video we took a look at a 1994 BMW E36 325is that was leaking oil from the valve cover gasket due to a failing valve cover   Valve Cover & Gasket Issues As time progresses, a valve cover and the valve cover gasket take on a ton of abuse, because they have to deal with extreme temperatures nearly every time your car is driven. A valve cover gasket can begin to break down and leak oil onto your engine. Additionally, a valve cover can become warped and result in an uneven mating surface, causing oil to leak out of the valve cover gasket and down the side of your engine. This can sometimes be easily fixed by just replacing the valve cover gasket. However, if the valve cover is not replaced ... read more

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BMW Service

What is a Valve Cover?

What is a Valve Cover?

  A Valve Cover sits on your engine that encapsulates the cylinder head on your engine. Put simply, it covers the top of your engine and conceals your valves while preventing them from spewing oil all over your engine bay. In some models, a crankcase vent valve will be situated within the valve cover itself. Valve Cover Types There are a few different types of valve covers that consist of different materials. There are valve covers composed of metal (both aluminum and magnesium), and many newer cars have valve covers that are plastic. Valve Cover Issues Over time, the mating surface of a valve cover can become compromised and no longer seal as properly as it should. When this happens, we recommend replacing the valve cover and valve cover gasket at the same time. Magnesium valve covers typically do not hold up over time as well as Aluminum and Plastic valve covers. Also, cars that have built in crankcase vent valves are known to require valve cover replacement due to the crankc ... read more

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