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Our expert insights into intake manifold gasket replacement
What does an intake manifold gasket do?
The intake manifold gaskets are responsible for sealing the intake manifold against the cylinder head or heads depending on the engine. This gasket ensures no air leaks out as it travels from the air inlets into the intake manifold and eventually reaches the engine where it helps to burn the fuel inside the engine cylinder.
What are the symptoms of a bad intake manifold gasket?
Below are the top three symptoms that could indicate you need to replace your intake manifold gasket:
When the engine is running at a higher temperature or overheating more than usual.
When there is fluid under the car, coming from the engine.
When the engine does not run as smoothly as usual.
What happens when we do an intake manifold gasket replacement on your car?
Our certified mechanics will:
Inspect the intake manifold and gasket for leaks.
Read the car's ECU to find any fault codes.
Clean the air intake ports of the engine of dirt buildup.
If necessary, they will replace the intake manifold gasket.
Advise if other related parts need to be replaced.
Finally they will test drive the car.
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What does an intake manifold gasket do?
Gaskets are the seals placed between engine components to prevent any leaks. The intake manifold gasket is located between the engine and the air intake manifold and seals the two components.
It is usually made of a hard metal or composite material and ensures the air flows from the air inlets into the intake manifold and eventually reaches the engine where it helps to burn the fuel inside the engine cylinder. The intake manifold also serves as a device for cooling the engine coolant which passes through it.
Mercedes-Benz
Mercedes-Benz is a German global car manufacturer and a division of Daimler AG. They were established over 100 years ago in 1926 and have grown to be the biggest selling premium vehicle brand in the world.
How popular is Mercedes in the United Kingdom?
The number of Mercedes cars on the road in the UK continues to rise, reaching 1.9million by the final quarter of 2018. There are almost 5 times as many Mercedes cars on the road as there were in 1995, showing just how popular this marque has grown to be.
Helping these powerful statistics on their way, the Mercedes A-Class was announced as the 8th best selling car in the UK in 2018. The premium family hatchback is vying for position against the ever-popular VW Golf—the current leader in this class.
Premium executive models of every shape and size
Mercedes deliver hatchbacks, saloons, estates and coupés at every size from their A- to E-Class ranges, as well as executive SUVs, the V-Class MPV, and of course, a more than desirable selection of convertibles and roadsters.
With prices rising to well over £100k, Mercedes cars are a great contender as the executive car of choice.
Mercedes-Benz: Giants of Formula One
Mercedes has always been a keen player within the F1 championship, taking their first 2 titles back in 1954 and 1955. Through the 1990s they joined forces with McLaren as an engine provider and part owner, bringing titles for both Mika Häkkinen and Lewis Hamilton and a constructors championship in 1988.
Their current and outright domination of the sport began in 2014, as a team in their own right, it has featured 5 straight constructors titles, with Lewis Hamilton taking 4 world championships and Nico Rosberg taking the other in 2016.
How often should an intake manifold gasket need replacing?
The intake manifold gasket on a car should typically last around 50,000 to 75,000 miles. However, this varies between cars and between drivers. In some instances, the gasket will fail prematurely due to the heat and pressures it’s exposed to on a daily basis. Some may last a lot longer in a less used or newer car.
And remember, failing to have your car maintained and repaired if you think there may be a problem with your intake manifold gasket could result in more costly and serious damage to your engine. A bad gasket will also impact your car’s power and fuel economy, making it more expensive to run.
The law, vehicle regulations and your MOT
There are strict regulations regarding exhaust systems and car emissions in the UK. A car's exhaust system, including the manifold and gaskets, cannot have any serious leaks, corrosion or cracks. An annual MOT tests both the exhaust system for leaks and deterioration and the emissions coming from the exhaust system.
What causes an intake manifold gasket to break?
During the combustion process the engine cools and heats continuously. The intake manifold gasket is constantly exposed to these extreme temperature fluctuations inside the engine, making it especially prone to wear and cracking.
When should an intake manifold gasket be replaced?
It is important to make sure that the intake manifold gasket is always in good condition as a damaged gasket can lead to engine coolant leaks and an overheating engine. We therefore advise that you replace a bad gasket as soon as you notice any of the symptoms below. The sooner you deal with the issue, the less likely it is that you’ll have to fork out for larger, costly repairs in the future.
What are the signs of a bad intake manifold gasket?
Usually, there a few signs you can look for:
If the ‘check engine’ warning light illuminates.
Engine misfire.
Loss of engine power.
Poor fuel efficiency.
When the engine is running at a higher temperature or overheating more than usual.
When there is fluid under the car, coming from the engine.
When coolant is visible around the intake manifold.
When the engine does not run as smoothly as usual.
What happens during an intake manifold gasket replacement?
During the repair our certified mechanics will:
Inspect the intake manifold and gasket for leaks.
Read the car's ECU to find any fault codes.
Clean the air intake ports of the engine of dirt buildup.
If necessary, they will replace the intake manifold gasket.
Advise if other related parts need to be replaced.
Finally they will test drive the car.
What is the average life of an intake manifold gasket?
The intake manifold gasket on a car should typically last around 50,000 to 75,000 miles. However, this varies between cars and between drivers. In some instances, the gasket will fail prematurely due to the heat and pressures it’s exposed to on a daily basis. Some may last a lot longer in a less used or newer car.
Can you drive with a broken intake manifold gasket?
We wouldn’t recommend driving if you suspect you have a bad or leaky intake manifold gasket. A bad leak will wreak havoc on your engine as it will disrupt the air fuel mixture in your engine. This could cause your car to overheat, stall frequently, misfire, run rough, or worst case your engine could seize, which will result in a costly, but avoidable, repair.
What happens if you don't change a bad intake manifold gasket?
Failing to have your car maintained and repaired if you think there may be a problem with your intake manifold gasket could result in more costly and serious damage to your engine. A bad gasket will also impact your car’s power and fuel economy, making it more expensive to run.
Do intake manifold gaskets deteriorate with age?
The intake manifold gasket on a car should typically last around 50,000 to 75,000 miles. However they can experience premature wear and tear as they are constantly exposed to extreme temperature fluctuations during your car’s combustion cycle.
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