A Scion tC Owner's Guide to the 2005-2016 Engine Valve Cover Gasket Set
Stop that burning oil smell and keep your engine clean by choosing the right valve cover gasket set for your tC.
- For 2005-2010 models, first confirm you have an external gasket leak and not the internal oil consumption issue covered by a TSB.
- Always buy a full 'set' that includes both the main gasket and the four spark plug tube seals.
- Trusted aftermarket brands like Fel-Pro, Beck Arnley, and Victor Reinz offer OEM-level quality for a lower price.
- This is a highly feasible DIY repair that can save you over $100 in labor costs.
Is Your Scion tC Leaking Oil? It Might Be the Valve Cover Gasket.
If you own a 2005-2016 Scion tC, a common maintenance item you'll eventually face is a leaking valve cover gasket. This is a normal wear-and-tear part. The gasket gets hard and brittle from engine heat and eventually stops sealing properly. The good news is that it's a relatively simple and inexpensive part to replace. This guide will walk you through the symptoms, how to choose the right aftermarket part, and what to expect for costs.
A Special Note for 2005-2010 Scion tC Owners
The first-generation tC (2005-2010) uses the 2AZ-FE engine, 🎬 See a detailed walkthrough for replacing the 2AZ-FE gasket. which is known for a potential oil consumption problem due to piston ring design (TSB 0094-11). This is an internal issue where the engine burns oil. A valve cover gasket leak is an external leak. Before replacing your gasket, make sure you're not confusing an external leak with the more serious internal oil consumption issue. Check your oil level frequently; a valve cover leak usually causes a slow drop in oil, while the oil consumption issue can burn through a quart in as little as 1,200-1,400 miles.
Symptoms of a Failing Valve Cover Gasket
When the valve cover gasket fails on your tC, the signs are usually obvious. Here’s what to look for:
- Burning Oil Smell: This is the most common symptom. Oil leaks from the gasket and drips onto the hot exhaust manifold or other engine parts, creating a distinct burning smell.
- Visible Oil and Grime: You'll see oil residue and caked-on dirt around the edges of the valve cover. A good first step is to clean the area and see if the fresh oil returns.
- Oil in Spark Plug Wells: When you pull out the ignition coils, you might find oil pooled in the spark plug tubes. This is caused by the failure of the tube seals that are part of the gasket set and can lead to engine misfires. 🎬 Watch why oil in spark plug wells causes misfires.
- Low Engine Oil Level: A persistent leak will cause your engine oil level to drop over time, potentially triggering the oil light on your dashboard.
Choosing the Right Aftermarket Gasket Set
You don't need to buy an expensive OEM gasket from the dealer. Many aftermarket brands offer excellent quality, often meeting or exceeding OEM specifications. When shopping, make sure you are buying a "set," which should include the main perimeter gasket and the spark plug tube seals. Here’s a breakdown of trusted brands:
- Premium Aftermarket (OEM Quality): Brands like Fel-Pro, Beck Arnley, and Victor Reinz are highly regarded by mechanics and DIYers. Fel-Pro is a go-to for reliability, while Beck Arnley often repackages OEM parts. Victor Reinz is an OEM supplier for many car manufacturers and is known for high-quality materials.
- Standard Aftermarket: Brands like DNJ Engine Components and DJ Rock are budget-friendly options. For a simple part like a valve cover gasket, these can be a cost-effective choice, though they may not offer the same longevity as premium brands.
Replacement Cost for a Scion tC Valve Cover Gasket
The cost to replace the valve cover gasket on a Scion tC is very reasonable. The parts are inexpensive, and the labor is straightforward.
| Part/Service | Estimated Cost |
|---|---|
| New Aftermarket Gasket Set | $22 - $35 |
| New OEM Gasket Set | $25 - $45 |
| Shop Labor | $104 - $153 |
| Total Professional Replacement | $142 - $195 |
Note: Prices are estimates and can vary by location and specific shop rates. The job is significantly cheaper if you do it yourself.
Frequently Asked Questions (FAQ)
Is this a difficult job to do myself?
No, this is a great DIY job for beginners. The difficulty is low, requiring basic hand tools like a 10mm socket and ratchet. The entire process typically takes about 1 to 1.5 hours. 🎬 Watch this step-by-step DIY guide for first-generation tC models. You'll need to remove the plastic engine cover, ignition coils, and some wiring harness brackets to access the valve cover bolts.
Do I need to use sealant (RTV) with the new gasket?
Yes, but only in specific spots. The rubber gasket itself does not need a layer of sealant. However, you should apply a small dab of RTV silicone sealant at the two points where the timing chain cover meets the cylinder head. This prevents leaks at those sharp corners.
What is included in a valve cover gasket 'set'?
A complete set for the Scion tC should include the main, outer valve cover gasket plus four round spark plug tube seals. It's critical to replace the tube seals at the same time, as they are a common source of oil leaks into the spark plug wells.
Can a leaking valve cover gasket cause serious engine damage?
If left ignored for a long time, yes. A significant oil leak can lead to low oil levels, causing poor lubrication and engine overheating. Oil leaking into the spark plug tubes can also cause misfires and, in rare, extreme cases, a fire risk. It's a minor issue that should be fixed promptly to avoid major problems.
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Technical Specifications
OEM Part Numbers: 11213-28021 11213-0H010 11213-36020 11213-0V010
The gasket set is made of molded rubber and includes one perimeter gasket and four spark plug tube seals. The design is specific to the Scion tC engine generations: the 2AZ-FE (2005-2010) and the 2AR-FE (2011-2016).
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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.
- Scion tC:
- 🎬 Helpful Videos
- 🛍️ Shop This Part
- Is Your Scion tC Leaking Oil? It Might Be the Valve Cover Gasket.
- A Special Note for 2005-2010 Scion tC Owners
- Symptoms of a Failing Valve Cover Gasket
- Choosing the Right Aftermarket Gasket Set
- Replacement Cost for a Scion tC Valve Cover Gasket
- Frequently Asked Questions (FAQ)
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