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Estimates last updated June 18, 2026

2017 Chevrolet Sonic Exhaust Manifold Gasket Replacement Cost

The average cost for a 2017 Chevrolet Sonic Exhaust Manifold Gasket Replacement is between $176 and $250.

Labor costs are estimated between $159 and $233 while parts are typically priced around $17.
This range does not include taxes and fees, and does not factor in your unique location. Related repairs may also be needed.
For a more accurate estimate based on your location, use our Fair Price Estimator below.

Exhaust Manifold Gasket Replacement

What is an exhaust manifold gasket?

The exhaust manifold is the collector for the engine’s exhaust gas. It is the first step in the exhaust system, and the last step the engine takes to produce power.

How does the exhaust manifold gasket work?

As the engine pumps hot exhaust gases out of the cylinder head, the exhaust manifold receives it, and pressure builds inside the manifold. The metal gasket expands with the cylinder head and manifold, to fill the tiny gap between them, so back pressure may build without the gas escaping the exhaust system,

When the exhaust manifold gaskets are leaking, you will hear a ticking or tapping noise, especially when the engine is cold. The noise may partially or totally disappear when the engine is warmed up.

Chevrolet Exhaust Manifold Gasket Replacement Cost Estimates

The average cost for a Exhaust Manifold Gasket Replacement is between $176 and $250 but can vary from car to car.

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Chevrolet Sonic Exhaust Manifold Gasket Replacement Cost by Year

The average cost for a Chevrolet Sonic Exhaust Manifold Gasket Replacement is between $176 and $250 but can vary from car to car.

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Exhaust Manifold Gasket Replacement

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What is an exhaust manifold gasket?

The exhaust manifold is the collector for the engine’s exhaust gas. It is the first step in the exhaust system, and the last step the engine takes to produce power.

How does the exhaust manifold gasket work?

When the exhaust manifold gaskets are leaking, you will hear a ticking or tapping noise, especially when the engine is cold. The noise may partially or totally disappear when the engine is warmed up.

What are the symptoms related to a bad exhaust manifold gasket?

When the exhaust manifold gasket becomes corroded to the point of failure, it no longer muffles engine exhaust noise, and the result will be a tapping noise from the exhaust manifold. If the muffler bracket has broken, or the rubber hanger is worn, the muffler and exhaust pipe may hang down, placing additional strain on the hot manifold, and cause the exhaust manifold gasket to leak. Lastly, the manifold gasket leaking could register as lean fuel conditions at the oxygen sensors, causing black smoke from the exhaust under heavy acceleration, check engine light illumination, and OBD trouble codes for exhaust and emissions, fuel delivery, and lean running conditions. More exhaust manifold gasket symptoms

Can I drive with an exhaust manifold gasket problem?

Driving a vehicle with a leak in the exhaust manifold gasket is generally not recommended for very long. It can ruin fuel mileage, fail a smog inspection, and cause damage to exhaust valves. Frequency

How often do exhaust manifold gaskets need to be replaced?

Normally, the exhaust manifold gasket can go thousands of heat cycles before failure, but engine condition, and driving style may play a significant role in the longevity of the gasket, except for corrosion, and collisions. Most exhaust manifold gaskets last until they are removed to perform another service. In any event, the rate of decay is dependent on the operating environment, and the likelihood of replacement is based on age, rather than mileage.

How are exhaust manifold gasket issues diagnosed?

Identifying an exhaust manifold gasket leak can be very easy if ticking is present, and plenty of exhaust gas is making a stink at the engine, but minor leaks can be tricky. Ordinarily, the vehicle will be raised, and the intake manifold will be inspected for signs of leakage, such as black marks, and burned non-metallic components around the exhaust manifold. If there are no signs, the exhaust may be smoke tested, or plugged to make leaks more apparent.

An exhaust leak can have an effect on the fuel mixture and cause the Check Engine Light to come on. The exhaust leak should be repaired before replacing any other parts related to an incorrect fuel mixture.

We do not recommend resurfacing a warped exhaust manifold, as the manifold will be prone to warping and cracking.

How is an exhaust manifold gasket replaced?

Exhaust manifold gasket replacement only requires the manifold retaining hardware to be removed, the old gasket removed, and all mating surfaces cleaned thoroughly. If the manufacturer specifies sealant, it is applied to the gasket, otherwise the gasket is placed on the exhaust studs. The exhaust manifold will slide in place on the gasket, and the technician will torque new exhaust manifold retaining fasteners to factory specification.

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