Mini exhaust manifold replacement, made easy
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Our expert insights into exhaust manifold replacement
What does an exhaust manifold do?
Exhaust manifolds are designed to collect exhaust gases from the engine cylinders and transport them into the exhaust pipes for expulsion. The exhaust manifold is attached to the engine cylinder heads and has ports that collect exhaust gases from each individual engine cylinder.
What are the symptoms of a bad exhaust manifold?
Below are the top three symptoms that could indicate you need to replace your exhaust manifold:
A noisy engine exhaust
Burning smell coming from the engine
Decreased power, acceleration, and fuel efficiency
What happens when we do an exhaust manifold replacement on your car?
Our certified mechanics will:
Inspect the exhaust manifold.
If the exhaust manifold is visibly damaged or cracked, it will be replaced.
If necessary, they may also replace the exhaust gasket and clean the exhaust ports. The manifold's mounting bolts may also need to be replaced.
Advise if other related components need to be replaced.
They will then check for any leaks around the manifold and test drive the car.
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A fully-insured Fixter driver will pick up your car, whenever and wherever works for you. (If you’d prefer to drive your car to the garage yourself, that’s not a problem!).
Our in-house experts will keep you updated, and your card is only charged once all work has been satisfactorily completed and approved by our team. Your driver will then drop the car back when it’s convenient for you.
Want to learn more about Mini exhaust manifold replacement?
What does an exhaust manifold do?
The exhaust manifold is the first part of your vehicle’s exhaust system. It is bolted directly onto your car’s engine and collects your engine’s emissions. The exhaust manifold receives the air/fuel mixture from the multiple cylinders (either four, six or eight) in your vehicle’s engine and funnels them all into one pipe.
The exhaust manifold then completely burns any unused or incomplete burnt gases at a very high temperature. Finally once all the gases are in one place and completely burnt, the manifold sends the emissions into the rest of the exhaust system to eventually be expelled.
The exhaust manifold also performs another very important role. It houses an oxygen sensor which inspects the amount of oxygen entering the system. This data is then sent to the fuel injection system where the amount of oxygen used in the fuel/air mixture can increase or decrease.
Mini
Mini is a British automotive marque that has been owned by the German multinational vehicle manufacturer BMW since 2000.
The Mini brand was originally introduced in 1969 when the vehicle model became a marque in its own right, breaking away from the Austin and Morris brands under the British Leyland umbrella.
How popular is Mini in the United Kingdom?
The Mini Hatch was the 7th best selling car of 2018 in the UK. Mini is a consistent favourite among buyers with a leaning for British cultural icons and retro styling.
There are around 750k Mini cars on the roads, showing that the brand is still as popular as ever due to their compact sizing, attractive styling and its reputation as a classy and classic small car.
Mini: a premium product of British motoring
With its unique and unmistakable styling, Mini is firmly placed as a premium product. Its ownership by BMW has added advantages in production, by being able to lean on the executive luxury German marque for many of the advanced technological systems and specialist industry knowledge used in their manufacture.
A piece of British culture and a Hollywood star
Enhancing its popularity as a household name, the original British Mini became a star of the silver screen when it appeared predominantly in the gold-heist movie ‘The Italian Job’ in 1969, starring Michael Caine and Noel Coward. With a remake hitting the screens in 2003, the new Mini was called on to star once again, and a selection of Mini hatch models continued the tradition by featuring in the film.
Mini: a new competitor to the most popular 3-door hatchbacks
Despite its small footprint, the Mini hatch is providing real competition to the Audi A1 and VW Polo due to its premium quality build. And with the weight of BMW behind them, it’s easy to see why.
How often should an exhaust manifold need replacing?
Due to the extreme temperature fluctuations inside the engine, the exhaust manifold is especially prone to wear, however it shouldn’t need to be replaced too often. We recommend having your entire exhaust system inspected every two to three years. If the manifold appears to be worn or damaged in any way, it should be replaced to ensure safe driving conditions.
Always look out for the above symptoms of a failing exhaust system, to ensure you get it fixed early and avoid any further, costly repairs.
What happens during an exhaust manifold replacement?
Our certified mechanics will:
Inspect the exhaust manifold.
If the exhaust manifold is visibly damaged or cracked, it will be replaced.
If necessary, they may also replace the exhaust gasket and clean the exhaust ports. The manifold's mounting bolts may also need to be replaced.
Advise if other related components need to be replaced.
They will then check for any leaks around the manifold and test drive the car.
What causes an exhaust manifold to break?
The exhaust manifold is exposed to extreme temperatures – it is constantly heating and cooling, which causes constant expansion and contraction. Despite being made of cast iron or stamped steel, over time manifolds can crack due to the stress from constant, extreme temperature changes.
When should an exhaust manifold be replaced?
Due to the extreme temperature fluctuations inside the engine, the exhaust manifold is especially prone to wear, however it shouldn’t need to be replaced too often. We recommend having your entire exhaust system inspected every two to three years. If the manifold appears to be worn or damaged in any way, it should be replaced to ensure safe driving conditions.
What are the symptoms of a bad exhaust manifold?
Usually, there a few signs you can look for:
A noisy engine exhaust
Burning smell coming from the engine
Decreased power, acceleration, and fuel efficiency
If the engine warning light comes on
When the engine makes more noise than usual
How often should you replace your exhaust manifold?
We recommend having your entire exhaust system inspected every two to three years. If the manifold appears to be worn or damaged in any way, it should be replaced to ensure safe driving conditions. Always look out for the above warning signs of a failing exhaust system, to ensure you get it fixed early and avoid any further, pricey repairs.
What happens during an exhaust manifold replacement?
Our certified mechanics will:
Inspect the exhaust manifold.
If the exhaust manifold is visibly damaged or cracked, it will be replaced.
If necessary, they may also replace the exhaust gasket and clean the exhaust ports. The manifold's mounting bolts may also need to be replaced.
Advise if other related components need to be replaced.
They will then check for any leaks around the manifold and test drive the car.
What is the average life of an exhaust manifold?
The lifespan of an exhaust manifold depends on the car, the driver and how often the car is used. In general, an exhaust manifold should last at least three years, but we recommend having your entire exhaust system inspected every two to three years. If the manifold appears to be worn or damaged in any way, it should be replaced to ensure safe driving conditions.
Can you drive with a broken exhaust manifold?
While you can technically drive with a broken exhaust manifold, it's neither safe nor legal and poses a number of issues when you're out on the road. Your exhaust plays a vital role in the healthy running of your car, therefore when the exhaust system experiences issues, it should be inspected as soon as possible.
Do exhaust manifolds deteriorate with age?
Yes exhaust manifolds are prone to wear and deterioration over time as they are constantly exposed to extreme temperatures. Despite being made of cast iron or stamped steel, over time manifolds can crack due to the stress from these constant, extreme temperature changes.
The law, vehicle regulations and your MOT
There are strict regulations regarding exhaust systems and car emissions. A car's exhaust system, including the manifold, 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.
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