# Valve cover gasket replacement cost

- **Typical cost:** $200-$800
- **Parts:** $30-$150
- **Labor:** 1-5 hours
- **Dealer:** $350-$1,200

## Quick answer

Replacing a valve cover gasket usually costs $200 to $800 at an independent shop. On many four-cylinder engines the cover is on top and the job takes about an hour. On V6 and V8 engines, the rear cover may require removing the intake manifold, which raises the labor. Many shops replace the spark plug tube seals at the same time.

## What is valve cover gasket and why does it need replacing?

The valve cover sits on top of the cylinder head and encloses the camshafts and valve train, which are bathed in engine oil. The valve cover gasket, usually a molded rubber seal, sits between the cover and the head to keep that oil in. Many engines also have spark plug tube seals in the cover that stop oil from entering the plug wells, and some covers include the PCV system.

The gasket wears out from heat. Years of hot and cold cycles harden and shrink the rubber until it no longer seals, and plastic valve covers can warp or crack. Oil then seeps around the edge, often dripping onto the exhaust manifold, where it causes a burning smell or smoke under the hood. Leaking tube seals let oil pool around the spark plugs, which can damage coils and cause misfires. A clogged PCV system raises crankcase pressure and can push oil past a tired gasket. There is no set replacement interval, but leaks are common on higher-mileage engines.

## How much does valve cover gasket replacement cost?

|  | Typical cost |
| --- | --- |
| Parts | $30-$150 |
| Labor | $150-$650 (1-5 hours) |
| Total at an independent shop | $200-$800 |
| Total at a dealer | $350-$1,200 |
| Do it yourself (parts only) | $30-$150 |

## Cost by vehicle type

| Vehicle | Typical cost |
| --- | --- |
| Compact car | $200-$400 |
| Midsize sedan | $250-$600 |
| Small SUV/crossover | $250-$650 |
| Full-size truck/SUV | $300-$700 |
| Luxury/European | $450-$800 |

Ranges are for an independent shop. Expect the high end or more for European luxury makes and dealer service.

## What changes the price?

- **Engine layout.** Inline four-cylinder engines have one valve cover that is usually easy to reach. V6 and V8 engines have two, and the rear one on a transverse V6 can be buried under the intake plenum, which raises labor sharply.
- **Plastic valve covers.** Some engines use a plastic valve cover with the gasket and PCV breather built in, so the whole cover must be replaced. That costs more than a gasket, but a warped or cracked plastic cover cannot reseal anyway.
- **Spark plug tube seals.** Leaking spark plug tube seals are often replaced at the same time, since they need the same labor. Oil in the plug wells can damage coil boots and cause misfires, so catching it early saves money.
- **Cleanup.** Oil soaked into coils, spark plugs, wiring or the exhaust may need cleaning or parts replaced. Heavily soaked coils and plug boots often fail soon after, so a long-ignored leak adds parts to the bill.

## Can you do it yourself?

Difficulty: **Moderate**, about 1-3 hours (four-cylinder). Parts cost $30-$150, so doing it yourself saves the labor ($150-$650).

## What happens during the job?

1. Clean the area and confirm the leak comes from the valve cover, not the oil filler cap, cam seals or timing cover.
2. Remove the engine cover, coils or plug wires, hoses, brackets and, on some V6 or V8 engines, the intake plenum.
3. Unbolt the valve cover, remove the old gasket and tube seals and clean the sealing surfaces.
4. Install the new gasket and seals, apply sealant where the maker specifies and torque the bolts in the correct sequence.
5. Reinstall the parts, clean oil from the plug wells, coils and exhaust, then run the engine and check for leaks.

## What should a fair quote include?

- New valve cover gasket and any spark plug tube seals
- Cleaning the sealing surfaces
- Torquing the cover bolts to spec in the right order
- Degreasing the area and a leak check after running

## How to pay less for valve cover gasket replacement

- Confirm the leak source with a clean engine and dye if needed, so you do not pay for the wrong gasket.
- Replace the spark plug tube seals at the same time, since they are cheap and need the same labor.
- Do spark plugs during the same job if they are due, since the coils are already out.
- Do the job yourself on many four-cylinder engines with the cover on top, using basic tools and a torque wrench.
- Fix it before oil reaches the coils or exhaust, which turns a gasket job into added coil or cleanup costs.

## Signs you need it

- Burning oil smell after driving
- Oil seeping around the top edge of the engine
- Smoke from under the hood when the engine is hot
- Oil in the spark plug wells or misfires

## Which models get the most engine complaints?

| Model | Engine complaints to NHTSA | All complaints |
| --- | --- | --- |
| [Ford Escape](/vehicles/ford-escape) | 3,905 | 10,274 |
| [Chevrolet Silverado](/vehicles/chevrolet-silverado) | 2,167 | 7,658 |
| [Kia Soul](/vehicles/kia-soul) | 2,079 | 3,189 |
| [Hyundai Sonata](/vehicles/hyundai-sonata) | 2,059 | 4,126 |
| [Honda Pilot](/vehicles/honda-pilot) | 1,989 | 5,776 |
| [Ford Edge](/vehicles/ford-edge) | 1,944 | 5,306 |
| [Hyundai Tucson](/vehicles/hyundai-tucson) | 1,932 | 5,363 |
| [Kia Sorento](/vehicles/kia-sorento) | 1,899 | 4,128 |
| [GMC Sierra](/vehicles/gmc-sierra) | 1,872 | 5,041 |
| [Hyundai Santa Fe](/vehicles/hyundai-santa-fe) | 1,828 | 3,779 |

Owner complaints filed with NHTSA in the engine category for 2015-2026 models of 63 popular cars. Counts follow sales as well as reliability, so compare each with the model's total.

## Frequently asked questions

### How much does a valve cover gasket replacement cost?

Most independent shops charge $200 to $800 in 2026. Four-cylinder engines are near the low end and V6 or V8 engines near the high end. Dealers usually charge $350 to $1,200. The gasket is cheap, about $30 to $150, so labor is most of the bill.

### Can I drive with a leaking valve cover gasket?

Usually yes for a while if the leak is small. Keep the oil level topped up, and fix it soon if oil drips onto the hot exhaust or into the spark plug wells. Oil on the exhaust can smoke and, in rare cases, catch fire.

### Is a valve cover gasket a DIY job?

On many four-cylinder engines, yes. You mainly need basic tools and a torque wrench, and the job takes one to three hours. Follow the bolt tightening sequence. On V6 or V8 engines where the intake must come off, a shop is the better choice.

### What are the signs of a leaking valve cover gasket?

A burning oil smell after driving, oil seeping around the top edge of the engine and smoke from under the hood when the engine is hot are common signs. Oil in the spark plug wells, misfires and an oil level that drops between changes can also point to it.

### How long does a valve cover gasket replacement take?

Most shops need about 1 to 5 hours. A four-cylinder with the cover on top takes about an hour. V6 and V8 engines take longer, especially when the intake plenum must come off to reach the rear cover. Cleaning oil from the area adds some time.

### Can a valve cover gasket leak cause a misfire?

Yes, if the spark plug tube seals leak. Oil pooling in the plug wells can soak the coil boots and plugs, letting spark leak to ground and causing a misfire, often with a code such as P0300 or a single-cylinder code. Replacing the seals and any damaged coil fixes it.

### Why does my car smell like burning oil?

A leaking valve cover gasket is a common cause, because oil drips onto the hot exhaust manifold and burns. Oil filter, drain plug and other gasket leaks can do the same. A shop can clean the engine and trace the leak so you replace the right part.

### Should I replace spark plugs with the valve cover gasket?

If the plugs are due or soaked in oil, yes. The coils are already out, so adding plugs costs mostly the parts. On V6 engines where the intake must come off for the rear cover, doing plugs at the same time saves a lot of repeat labor.

### How long does a valve cover gasket last?

There is no set interval. Many last 100,000 miles or more, but heat cycling eventually hardens the rubber. Engines that run hot and those with plastic covers that warp tend to leak sooner. A clogged PCV system can also push oil past an aging gasket.

### Can I use sealant instead of a new gasket?

Not as a lasting fix. Sealant alone rarely stops a valve cover leak because the old gasket has hardened and shrunk. Some engines need a small dab of sealant at specific joints with a new gasket, as the service procedure lists. Stop-leak additives are not a reliable substitute.

## Sources

- [Car Care Council: Car care guide](https://www.carcare.org/car-care-guide/)

## Symptoms

- [Why does my car smell like something is burning?](https://diagxcar.com/symptoms/burning-smell-from-car)
- [Why is my car idling rough?](https://diagxcar.com/symptoms/rough-idle)
- [Why is my car leaking oil?](https://diagxcar.com/symptoms/car-leaking-oil)

## Related codes

- [P0300 Random/Multiple Cylinder Misfire Detected](https://diagxcar.com/codes/p0300)
- [P0302 Cylinder 2 Misfire Detected](https://diagxcar.com/codes/p0302)

## Other repair costs

- [Water pump replacement cost](https://diagxcar.com/cost/water-pump-replacement): $400-$1,200
- [Transmission replacement cost](https://diagxcar.com/cost/transmission-replacement): $2,500-$7,000
- [Wheel alignment cost](https://diagxcar.com/cost/wheel-alignment): $100-$250
- [Transmission fluid change cost](https://diagxcar.com/cost/transmission-fluid-change): $120-$350
- [Wheel bearing replacement cost](https://diagxcar.com/cost/wheel-bearing-replacement): $250-$700
- [TPMS sensor replacement cost](https://diagxcar.com/cost/tpms-sensor-replacement): $90-$250
- [Window regulator replacement cost](https://diagxcar.com/cost/window-regulator-replacement): $220-$600
- [Tire rotation cost](https://diagxcar.com/cost/tire-rotation): $25-$60
- [AC compressor replacement cost](https://diagxcar.com/cost/ac-compressor-replacement): $900-$2,000
- [Timing chain replacement cost](https://diagxcar.com/cost/timing-chain-replacement): $1,200-$3,500

## Warning lights linked to this

- [Oil pressure warning light](https://diagxcar.com/warning-lights/oil-pressure)

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Source page: https://diagxcar.com/cost/valve-cover-gasket-replacement
Updated: 2026-11-03
General information, not a substitute for a qualified mechanic.