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Saab 9-3 Oil Filler Cap

Common Damage Signs Involving Your Saab 9-3 Oil Filler Cap

Located right at the top of your engine block and valve cover is your oil filler cap. It functions as a lid to the oil filler neck where motor oil is poured into. Without this lid, the motor oil on your engine block is vulnerable to different contaminants such as dust and slivers of metal from the engine. Your oil filler cap is known to have some issues which cause different symptoms that are hard to ignore. Following are some of these:

Stuck Saab 9-3 oil filler cap

There is nothing more frustrating than having to add oil to your engine block but your oil filler cap is stuck to the valve cover. Usually, the cap needs to be twisted at least 180 degrees to be detached from the filler neck. When you experience being stuck midway, you are having a problem with the O-ring located at the underside of your oil filler cap. Over time, this ring swells, making it difficult to remove the cap. In this case, you need to exert as much effort as you can in order to remove the cap. After doing so, it is required to replace your oil filler cap to avoid such problem again.

Loose Saab 9-3 oil filler cap

A loose oil filler cap can be a problem because it exposes your motor oil to contaminants from the engine bay. More so, it would come to a point where it can be completely removed from the valve cover while you are driving. The cap can move around the engine bay and cause damage to different crucial parts. This issue is the exact opposite of a swollen O-ring. In this case, the ring has deteriorated and come loose. As an effect, the cap does not lock well with the oil filler neck anymore.

Smoke

Smoke coming from your oil filler cap can be a symptom of a lot of problems with your engine. Simply put, the smoke is produced by the compression pressure in the engine that overwhelms the PCV system. The compression pressure is usually a result of worn engine pistons or a blown header gasket. With this, have your engine checked by a professional. There may be more problems with your engine as shown by the smoke coming from the cap.

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  • Making Sure Your Saab 9-3 Oil Filler Cap is in Top Condition 27 February 2013

    Located right at the top of your engine block and attached to the valve cover is your oil filler cap. It functions as a protective lid to the oil filler neck, securing the motor oil from external elements that can cause problems. A damaged oil filler cap can cause oil leaks right inside the engine bay. To avoid such problem, you need to take good care of your Saab 9-3 oil filler cap. Following are some tips on how you can do so:


    Wash your oil filler cap every 6,000 miles.


    Your cap is exposed to hot oil each day. This makes it prone to different problems caused by dried oil on its underside. This buildup may contaminate the oil inside the engine block. With this, you need to wash your cap of this buildup. A good trick is soaking it in motor treatment which softens and eats up oil. You may also use air compressor to remove other dirt and dust in the cap. The advisable time of doing this cleanup is every 6,000 miles of driving.


    Be careful in putting on your oil filler cap.


    The common issues with your Saab 9-3 oil filler cap are overtightening and cross-threading. These occur when not much care is given in putting on the cap. Both these issues cause difficulty in opening your oil filler cap. This can be a serious problem if you are driving in a highway and have just realized that you are running low on motor oil. That being said, you need to be extra careful in putting on your oil filler cap. Do not put too much force in locking it and make sure it is threaded well with the opening of the oil filler neck.


    Check the O-ring on the underside of the cap every so often.


    The cap is designed with an O-ring that helps seal the oil filler neck. This ring can swell or deteriorate over time due to constant exposure to oil, high temperature, and vibrations. When these happen, different issues on the cap may arise. You should know when the O-ring is beginning to deteriorate or swell. Doing so allows you to replace it immediately before things get worse.