The intake manifold gasket might not be the flashiest part of your engine, but it plays a crucial role in keeping things running smoothly. When it starts to fail, you could notice serious issues that can lead to engine damage if left unaddressed.
So, how much does an intake manifold gasket replacement cost?
In this guide, we’ll explore the costs of swapping out an intake manifold gasket, the factors affecting the price, and how to extend the component’s life.
This Article Contains:
- How Much Does an Intake Manifold Gasket Replacement Cost?
- Is It Worth Replacing an Intake Manifold Gasket?
- Common Symptoms of a Bad Intake Manifold Gasket
- How Long Does an Intake Manifold Gasket Last?
- Can You Drive with a Bad Intake Manifold Gasket?
- How Does a Mechanic Replace an Intake Manifold Gasket?
- 5 Ways to Extend the Life of Your Intake Manifold Gasket
How Much Does an Intake Manifold Gasket Replacement Cost?
Let’s dive into the expected expenses for an intake manifold gasket replacement:
A. Range
The average cost for replacing a leaking intake manifold gasket is between $550 and $700. This includes:
- Parts: $350 – $400
- Labor: $200 – $300 (the job can take between between 1.5 hours and 3 hours, depending on part accessibility)
B. Factors Affecting Costs
The final repair bill can vary based on several factors, including:
- Vehicle make and model: High-performance cars often require pricier engine parts as they are designed with specialized engineering and premium materials.
- Parts quality: Original equipment manufacturer (OEM) parts generally provide better reliability than aftermarket parts and should fit your vehicle exactly. However, OEM parts come with a higher price tag.
- Engine configuration: Some vehicles are easier to take apart than others. If the intake manifold gasket is easily reachable, the mechanic will take less time for the replacement.
- Additional repairs or replacements: If other components are damaged or need replacement during the gasket repair, this will add to the overall expense. For example, a MAP sensor replacement can cost between $130 and $300.
Is It Worth Replacing an Intake Manifold Gasket?
Absolutely! Replacing a faulty intake manifold gasket is well worth the investment.
The intake manifold gasket secures the intake manifold to the engine cylinder head, ensuring a proper seal. This helps keep the air-fuel mixture separate from the coolant and prevent leaks.
Once the gasket starts acting up, it may allow coolant to seep into the combustion chamber or combine with the engine oil, causing:
- Engine overheating
- Engine performance issues
- Internal engine damage
Replacing the gasket promptly keeps everything running smoothly.
Moreover, it keeps the repair affordable compared to the potential expenses of repairing major engine parts later on.
Common Symptoms of a Bad Intake Manifold Gasket
If you notice these signs, don’t wait to book a car repair appointment with an expert mechanic:
- Engine stalling or misfire
- Illuminated check engine light
- Poor engine performance, such as reduced power or acceleration
- An engine oil and coolant leak
- Engine overheating
- Decreased fuel economy
How Long Does an Intake Manifold Gasket Last?
The intake manifold gasket should last between 50,000 and 75,000 miles. However, it can fail prematurely depending on several factors, including:
- Gasket material: Some intake manifold gaskets are rubber, cork, or a composite, with rubber lasting longer due to better adhesion to the manifold.
- Excessive heat: Repeated exposure to high heat can cause the gasket to repeatedly expand and contract, causing cracks.
- Engine vibrations: Excessive engine vibrations can cause the intake manifold gasket to shift or wear unevenly, compromising its seal.
- Contaminated coolant: The coolant can become contaminated, leading to blockages in the narrow coolant passages. This can create localized hotspots, damaging the intake manifold gasket.
Can You Drive with a Bad Intake Manifold Gasket?
Driving around with a bad intake manifold gasket isn’t recommended
You may still be able to get from point A to point B, but a leaking intake manifold gasket affects your engine’s overall performance and can lead to severe internal damage. Not addressing the issue can also result in more expensive repairs, as it can affect the catalytic converter, water pump, oil pump, and fuel system.
As such, it’s generally a good idea to have the component replaced by a reputable car repair shop as soon as you start noticing issues.
How Does a Mechanic Replace an Intake Manifold Gasket?
Replacing the intake manifold gasket requires specialized tools and knowledge. So, it’s best to leave this repair to a qualified mechanic.
Here’s a brief guide on how they would replace it:
- Ensuring the engine is cold, they’ll remove the engine cover.
- Remove any engine components in the way. If the intake manifold is connected to the coolant passages, draining some coolant will prevent spills when they remove the manifold.
- Unbolt the intake manifold to avoid warping or damage. Then, remove the old intake manifold gasket and inspect the sealing surfaces for any debris, oil, or engine coolant residue.
- Thoroughly clean the intake manifold and cylinder head mating surfaces to ensure a proper seal.
- Install the new intake manifold gasket according to the manufacturer’s specifications, applying a thin layer of sealant if necessary.
- Reposition the intake manifold and align it with the bolt holes. Then, tighten the bolts with a calibrated torque wrench in the specified sequence and to the correct torque values.
- Reinstall all removed engine components.
- Finally, test drive the vehicle to check for any leaks.
5 Ways to Extend the Life of Your Intake Manifold Gasket
Keeping your intake manifold gasket in good condition is easier than you think with a few simple maintenance tips.
- Ensure proper coolant levels
- Address engine coolant or oil contamination promptly
- Regularly inspect for signs of gasket wear, such as an oil or coolant leak, near the intake gasket.
- Avoid aggressive driving and high RPMs when the engine is cold. Thermal expansion during warm-up can stress the gasket.
- Use high-quality engine parts.
Ensure Peak Performance with Autonation Mobile Service
If you’re noticing signs of a failing intake manifold gasket, such as engine coolant leaks or misfires, it’s crucial to address the issue promptly before it becomes more serious.
Fortunately, AutoNation Mobile Service simplifies the repair process by bringing expert mechanics directly to your driveway.
Our skilled technicians can efficiently replace your intake manifold gasket, ensuring your vehicle runs smoothly and reliably. With upfront pricing and a 12-month, 12,000-mile warranty on all repairs, you can trust in the quality and transparency of our service.
Book an appointment today, and let us help keep your car in mint condition.