A Saab 9-5 Owner's Guide to Replacing the Engine Valve Cover Gasket (2005-2011)
Stop the burning oil smell and prevent leaks by choosing the right valve cover gasket set for your Saab 9-5.
- A burning oil smell and oil found in the spark plug wells are the most definitive signs of a failed valve cover gasket.
- Choose a high-quality aftermarket brand like Elring or Victor Reinz for a reliable, long-lasting seal; avoid budget brands like Professional Parts Sweden.
- The plastic PCV nipples connected to the valve cover are extremely brittle and likely to break during removal; plan to replace them.
- Thoroughly cleaning the old gasket material off both the cylinder head and the valve cover is critical for preventing new leaks.
Is Your Saab 9-5 Leaking Oil?
A leaking valve cover gasket is a very common issue on the Saab 9-5's B235 engine. Because the gasket sits at the very top of the engine, the signs of a leak are usually easy to spot. Ignoring them can lead to bigger problems, so it's a repair you should address sooner rather than later.
🎬 Watch this easy DIY walkthrough for replacing your gasket.Common Symptoms of a Bad Gasket
- Burning Oil Smell: This is often the first sign owners notice. Oil leaks from the gasket and drips onto the hot exhaust manifold or catalytic converter, creating a strong burning smell inside and outside the car.
- Visible Oil on the Engine: You will see fresh oil and grime collected on the cylinder head, just below the seam of the valve cover. The wind can spread this oil around the engine bay, making it look messy.
- Oil in Spark Plug Wells: When you remove the main Direct Ignition Cassette (DIC), you may find oil pooled around the spark plugs. This is a clear sign that the inner spark plug tube seals have failed.
- Low Engine Oil: A constant leak will cause your engine oil level to drop over time, requiring you to top it off more frequently.
Don't Mistake Other Issues
While a burning oil smell is a classic sign of a valve cover gasket leak, it can also be caused by a leaking oil pressure switch at the back of the engine. Additionally, some 2011 9-5 models with the 2.0L B207 engine were subject to a Technical Service Bulletin (TSB) for premature intake valve wear, which can cause rough idling and starting problems sometimes confused with oil-fouled plugs.
Choosing the Right Aftermarket Gasket Set
For a part like this, you don't need to buy from the dealer. High-quality aftermarket brands often supply the original parts to car manufacturers and offer the same performance for less money. However, quality varies greatly between brands.
Brand Quality Tiers
- Tier 1: OEM Quality (Recommended)
Brands like Elring and Victor Reinz are well-regarded German manufacturers that often serve as original equipment suppliers. They are known for making durable, reliable gaskets that fit correctly. For the price difference, choosing one of these brands is a smart investment for a leak-free repair. - Tier 2: Standard Aftermarket
This category includes brands like Apex. While functional, they may not have the same longevity or precise fit as the top-tier brands. They can be a choice if budget is the absolute top priority, but the risk of a premature leak is higher. - Tier 3: Brands to Avoid
Based on extensive owner feedback, Professional Parts Sweden (PPS) should be avoided. Forum discussions are filled with reports of poor quality, parts failing immediately, and incorrect fitment for Saab and Volvo vehicles.
What's in the Set?
A complete valve cover gasket "set" for the Saab 9-5 includes two main pieces: the large outer gasket that seals the perimeter of the cover, and the inner gasket that seals the four spark plug tubes. Always replace both at the same time.
How Much Does a Valve Cover Gasket Replacement Cost?
This is a very DIY-friendly job that can save you a lot of money. If you take it to a shop, the labor will be the most expensive part of the bill.
| Part/Service | Estimated Cost |
|---|---|
| New Aftermarket Gasket Set | $19 - $84 |
| Shop Labor | $170 - $250 |
| Total Professional Repair | $230 - $315 |
Frequently Asked Questions (FAQ)
Do I need to use sealant on the new gasket?
The rubber gasket is designed to seal on its own. However, many mechanics apply a very small amount of RTV sealant or even Vaseline in the corners or sharp bends to hold the gasket in the valve cover's groove during installation. This prevents it from falling out as you flip the cover over to place it on the engine. Do not apply a thick bead of sealant along the entire gasket, as excess can squeeze out and clog oil passages.
What else should I replace at the same time?
The PCV (Positive Crankcase Ventilation) system hoses and check valves are a must-check. The plastic nipples, especially the one at the back of the valve cover, become extremely brittle with age and almost always break during removal. It's wise to have a replacement on hand before you start the job. 🎬 Watch how to replace the PCV valve and hoses. While the cover is off, it's also a great time to inspect the top of the engine for oil sludge buildup.
How difficult is this job to do myself?
This is a great job for a beginner or intermediate DIY mechanic. It requires basic tools, primarily Torx sockets (T40 for the cover and T30 for the ignition cassette). The hardest part is often cleaning the old, baked-on gasket material from the engine and cover without scratching the aluminum surfaces. The entire process usually takes 1-2 hours.
What are the torque specs for the valve cover bolts?
The valve cover bolts should be tightened to 15 Nm (11 ft-lbs). It's important to tighten them in the correct sequence, usually starting from the center and working your way out in a spiral pattern, 🎬 See the proper bolt sequence and installation steps here. to ensure even pressure. The four bolts for the Direct Ignition Cassette are tightened to 11 Nm.
Helpful Videos
Technical Specifications
OEM Part Numbers: 55555635
The gasket set consists of a molded rubber outer gasket and an inner spark plug tube seal. The valve cover is secured by approximately 16 T40 Torx bolts.
We Have This Part in Stock
The information in this article is provided for general reference and educational purposes only. Vehicle specifications, procedures, and part compatibility can vary by production date, trim level, and region. Always consult your vehicle's factory service manual and verify part numbers before purchasing or performing repairs. Safety-critical components such as airbags, seat belts, and braking systems should be installed by a qualified professional.
- Saab 9-5:
- 🎬 Helpful Videos
- 🛍️ Shop This Part
- Is Your Saab 9-5 Leaking Oil?
- Common Symptoms of a Bad Gasket
- Don't Mistake Other Issues
- Choosing the Right Aftermarket Gasket Set
- Brand Quality Tiers
- What's in the Set?
- How Much Does a Valve Cover Gasket Replacement Cost?
- Frequently Asked Questions (FAQ)
- 🎟️ Get 5% Off