QA

Quick Answer: How To Fix Valve Cover Gasket Leak

Is a valve cover gasket leak serious?

The short answer is, yes. If your engine is losing oil, running the car for too long without an inspection and repair can cause permanent damage. If the gasket is worn out, it will leak engine oil and the top of the engine will be likely be covered in oil.

How do you stop a valve cover gasket from leaking?

How to fix a valve cover gasket leak. If you find evidence of a leak, the best solution is to use BlueDevil Oil Stop Leak. Adding 8oz. of BlueDevil oil stop leak to your engine oil is guaranteed to permanently seal any oil leaks in your vehicle’s engine.

How much does it cost to fix a valve cover gasket leak?

On average, the replacement cost of a valve cover gasket will be somewhere between $100 and $350. The parts cost will typically be between $30 and $50 while the labor costs will be anywhere from $70 to $300.

Can you drive a car with a valve cover leak?

Q: Can you drive a car with valve cover leaks? Yes, you can drive a car with a valve cover leaks in as much as the amount of oil leaks from the valve cover gasket is small, and the oil is not dripping on hot engine parts like the exhaust manifold or pipes.

Do I need sealant on valve cover gasket?

Although valve cover gaskets don’t necessarily need sealers or cements, it’s a common practice to glue the gasket to the valve cover. 1, RTVs or Permatex High Tack gasket sealant work well.

How much does a valve cover cost?

The valve cover gasket replacement cost normally ranges between $240 to $320. While the new valve cover gasket shouldn’t be more than $100, it’s the associated labor costs that can exceed the $200 margin. That being said, $200 isn’t a small amount.

Should I use silicone on valve cover gaskets?

Valve cover gaskets are designed to seal “dry,” so don’t apply sealant to the face of the gasket. Finish off the job by snugging up the valve cover bolts to the torque specifications in your shop manual.

Can tightening valve cover Stop leak?

Before tearing everything apart, first try gently cinching down the valve cover bolts or use a torque wrench. Over-tightening bolts will not stop bad gaskets from leaking. Aluminum valve covers can crack.

What’s the best gasket sealant?

Here are the best gasket sealers on the market. Gasgacinch 440-A. Gasgacinch is one of the go-to gasket sealers for engine builders and technicians. Permatex Ultra Black. Great for use on differential housing covers, oil pans, valve covers, and any surfaces exposed to oil. Permatex Aviation Form-A-Gasket.

How long does it take to fix a valve cover gasket?

In many cases, valve cover gasket replacement can be completed in 1-2 hours, leading to only modest labor charges. However, it can take as long as 4-5 hours to complete the same job on other more complex engines.

How often do valve cover gaskets need to be replaced?

When running your vehicle, the valve cover will have to do its job and keep the oil from leaking out. Most of the gaskets on your car last anywhere from 20,000 to 50,000 miles.

Do I need to drain oil to change valve cover gasket?

No, you do not drain the oil to change the valve cover gasket, but you may need to change the oil after because some old gasket may fall into the engine; the best option is to wait until you get ready to change the old, change the valve cover first, then replace the oil.

Should I replace leaking valve cover gasket?

A valve cover gasket seals the gap between the valve cover and the cylinder head. In most modern cars, the valve cover gasket is made of rubber. Over time and under higher temperatures, the gasket shrinks and becomes brittle, which might cause oil leaks. It only needs to be replaced if it leaks.

Is a head gasket the same as a valve cover gasket?

Gaskets are something that can commonly cause engine problems but be hard to explain the importance of them. The head gasket is located between the engine block and the head. The valve gasket is located above the head to keep oil leaking out of the valve cover.

Do you put gasket sealer on both sides?

Many mechanics will use an RTV gasket maker to hold a conventional or cut gasket in place during assembly. Some mechanics will even use the RTV gasket maker as a dressing, coating both sides of the gasket.

When replacing valve cover gasket What else should I replace?

If you were recommended a valve cover gasket because it was leaking, just make sure that the fastener seals are also replaced. If not, they are guaranteed to go next. As far as any other components go, if they are attached to the valve cover in any way, you should likely consider replacing those seals as well.

Can you drive with a valve cover gasket leak?

Is it safe to drive with a valve cover gasket problem? Yes, as long as the amount of oil leaking is small, and there is no leak onto hot engine parts such as the exhaust manifold, it is safe to drive your car until you have an opportunity to fix it.

What happens if you don’t replace valve cover gasket?

When this occurs, the gasket can lose its integrity and leak, potentially causing cosmetic issues like leaking oil, or drivability problems and reduced engine performance. If not replaced by an ASE certified mechanic in time, a bad valve cover gasket can lead to complete engine failure.