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Dune Garage. We are called petrol heads and diesel nerds for a reason. At DUNE GARAGE we are committed to offer y

DOT brake fluid standards define the minimum boiling points, chemical properties, and compatibility requirements for bra...
20/03/2026

DOT brake fluid standards define the minimum boiling points, chemical properties, and compatibility requirements for brake fluid used in vehicles.
DOT 3 brake fluid is a glycol-based fluid that is widely used in most vehicles.
It has a boiling point of around 401 degrees Fahrenheit and is compatible with most brake systems.
It is a hygroscopic fluid, which means that it absorbs moisture from the air over time, reducing its boiling point and causing corrosion and other problems in the brake system.
Therefore, it is important to replace DOT 3 brake fluid periodically, typically every two years.
DOT 4 brake fluid is also a glycol-based fluid, but it has a higher boiling point than DOT 3, around 446 degrees Fahrenheit.
It is suitable for high-performance vehicles and is less hygroscopic than DOT 3, meaning it absorbs less moisture from the air.
It is compatible with most brake systems, but not with systems that require silicone-based brake fluid.
DOT 5 brake fluid is a silicone-based fluid that is less hygroscopic than glycol-based fluids.
It has a higher boiling point than DOT 3 and DOT 4, around 500 degrees Fahrenheit.
However, it is not compatible with most brake systems and is typically used only in specialized applications, such as in military vehicles, racing cars, or vintage cars.
DOT 5.1 brake fluid is a glycol-based fluid that has similar properties to DOT 4, but with a higher boiling point of around 500 degrees Fahrenheit.
It is suitable for high-performance vehicles and is less hygroscopic than DOT 3, meaning it absorbs less moisture from the air.
It is compatible with most brake systems, but not with systems that require silicone-based brake fluid
It is important to follow the manufacturer's recommendations for the type of brake fluid to use in your vehicle and to replace the brake fluid periodically to ensure proper braking performance.
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Power generated by the engine is useless if you can't control the car.That is where suspension system comes in.It suppor...
01/03/2026

Power generated by the engine is useless if you can't control the car.
That is where suspension system comes in.
It supports weight,absorbs,dampens shock and helps maintain tire contact.
Providing steering stability with good handling and comfort.
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Throttle valve determines the amount of air entering the intake manifold. In a petrol engine, the position of the thrott...
28/02/2026

Throttle valve determines the amount of air entering the intake manifold.
In a petrol engine, the position of the throttle valve directly determines the performance of the engine.
The throttle valve must be properly cleaned for a smooth engine idle.
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The frequency at which brake fluid should be replaced depends on various factors such as the type of brake fluid used, t...
27/02/2026

The frequency at which brake fluid should be replaced depends on various factors such as the type of brake fluid used, the condition of the brake system, and the manufacturer's recommendations.
It is recommended to replace the brake fluid every two years, regardless of mileage.
This is because brake fluid is hygroscopic, which means it absorbs moisture over time.
Moisture can cause corrosion, reduce the boiling point of the brake fluid, and affect the performance of the brake system.
However, if you use your vehicle for high-performance driving, towing, or live in a humid climate, it is recommended to replace the brake fluid more frequently, possibly every year or as specified by the manufacturer.
It is also important to note that if you experience any signs of brake problems such as spongy or unresponsive brakes, a change in brake pedal feel, or if the brake warning light comes on, you should have the brake system inspected and the brake fluid checked for contamination or moisture.
Proper diagnosis is key to any repair or replacement.
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How to perform engine oil service. 1.Ensure that the vehicle is parked on a flat surface. 2.Start the engine and let it ...
24/02/2026

How to perform engine oil service.
1.Ensure that the vehicle is parked on a flat surface.
2.Start the engine and let it idle for a while then switch it off.
3.Open the drain plug and drain the oil on a collecting pan.
4.Open the oil filter.
5.After the oil is fully drained,close the drain plug and wipe any splattered oil.
6.Install a new oil filter.
7.Put the recommended engine oil.
8.Confirm oil level.
9.Start the engine and let it idle for some time then switch it off.
10.Wait for the oil to settle and confirm oil level. Top up if required.
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Tyre readings typically include information about the tyre's size, construction, and performance characteristics. The si...
20/02/2026

Tyre readings typically include information about the tyre's size, construction, and performance characteristics.
The size of the tyre is usually indicated by a combination of letters and numbers on the sidewall, such as "P225/60R16" or "275/70R18".
The first letter indicates the type of tyre (e.g., P for passenger car, LT for light truck), the three-digit number indicates the tyre's width in millimeters, the two-digit number following the slash indicates the aspect ratio (height to width ratio) of the sidewall, and the R indicates that the tyre has radial construction.
The final number indicates the diameter of the rim in inches.
Off-road tyres, on the other hand, are typically large and grooved to provide better traction and grip in rough terrain.
The large grooves (also called "tread blocks") on the tyre's surface help to channel mud, sand, and other debris away from the tyre, which can improve traction and prevent slippage.
The deep grooves can also provide a larger contact patch with the ground, which can help to distribute the weight of the vehicle more evenly and reduce the risk of sinking into soft terrain.
Additionally, the wider and thicker construction of off-road tyres can help to protect the tyre from damage due to impacts with rocks, tree roots, and other obstacles commonly found off-road.
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An electrical fuse is a safety device that is designed to break the circuit and stop the flow of electricity if the curr...
18/02/2026

An electrical fuse is a safety device that is designed to break the circuit and stop the flow of electricity if the current exceeds a specific limit.
It consists of a metal strip or wire that is placed between two terminals.
When the current flowing through the circuit is normal and within the fuse's rating, the metal strip remains intact, and the circuit remains complete.
If an overcurrent situation occurs due to a short circuit or an excessive load, the current rises above the fuse's rating.
The increased current causes the metal strip to heat up rapidly.
Once the temperature reaches a critical point, the metal strip melts, breaking the circuit and interrupting the flow of electricity.
This action protects the wiring and electrical components from damage caused by excessive current.
After a fuse blows, it needs to be replaced with a new fuse of the correct rating to restore the circuit's functionality.
Automotive fuses are usually color-coded to indicate their current rating, and they are typically located in a fuse box or panel within the vehicle.
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Camber refers to the angle of the wheels at vertical axis when viewed from the front or rear of the vehicle. It can be P...
15/02/2026

Camber refers to the angle of the wheels at vertical axis when viewed from the front or rear of the vehicle.
It can be Positive, Negative, or Zero.
In Positive camber, the top of the wheels tilts outward from the vehicle.
This configuration is rarely used in modern vehicles but was more common in older cars.
In Negative camber, the top of the wheels tilts inward toward the vehicle.
This setup is more prevalent in today's vehicles, especially in performance-oriented cars.
Negative camber helps improve cornering stability and grip during turns as it allows more tire contact with the road when the car leans.
In Zero camber, the wheel remains perpendicular to the ground, and the tire's contact patch is even on the road surface.
This setting is often used in everyday passenger vehicles for better tire wear and fuel efficiency.
Proper alignment of camber is crucial for safe and optimal vehicle performance.
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Compression ignition engines, also known as diesel engines, work by igniting fuel through the heat generated by compress...
13/02/2026

Compression ignition engines, also known as diesel engines, work by igniting fuel through the heat generated by compressing the air inside the cylinder.
First, the air is drawn into the cylinder through the intake valve during the intake stroke.
The piston then compresses the air during the compression stroke, which heats the air due to the adiabatic compression process.
At the top of the compression stroke, fuel is injected into the compressed air, typically through a fuel injector, which vaporizes and mixes with the air.
The mixture is then ignited spontaneously by the heat of the compressed air, which causes the fuel to burn rapidly and produce high-pressure gases.
This pressure pushes the piston down, creating power that is used to turn the crankshaft.
The exhaust gases are then expelled from the cylinder during the exhaust stroke, which completes the engine cycle.
The process is repeated continuously as the engine runs, with fresh air and fuel entering the cylinder during each cycle.
Compression ignition engines are known for their efficiency, durability, and torque output, which make them well-suited for heavy-duty application.
However, they can produce higher levels of emissions than petrol/gasoline engines, particularly of nitrogen oxides (NOx) and particulate matter (PM), which require specialized emissions control systems to reduce their impact on the environment.
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The battery stores chemical energy that is then converted to electrical energy required by the starter to start the engi...
10/02/2026

The battery stores chemical energy that is then converted to electrical energy required by the starter to start the engine and the alternator helps to maintain its charge.
Corroded or poorly connected battery terminals will inhibit its functionality.
When acquiring for a battery, consider one that matches the standard of your vehicle's Cold Cranking Amps(CCA)/Starting Power and Reserve Capacity(RC)
Proper diagnosis is key to any repair or replacement.
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An alternator is an electromechanical device that converts mechanical energy into electrical energy. It is commonly used...
10/02/2026

An alternator is an electromechanical device that converts mechanical energy into electrical energy.
It is commonly used in vehicles to charge the battery and power electrical systems while the engine is running.
It consists of a rotor (rotating component) and a stator (stationary component).
The rotor is connected to the engine's crankshaft via a belt, and it rotates within the stator.
The stator consists of a set of wire coils that are arranged in a circular pattern around the rotor.
As the rotor spins, it creates a magnetic field that induces an electrical current in the wire coils of the stator.
This current is then sent to a voltage regulator, which regulates the output voltage of the alternator and ensures that it stays within a safe range.
The output voltage of the alternator is typically higher than the battery's voltage, so the voltage regulator also ensures that the battery is not overcharged by limiting the amount of current sent to it.
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Address

0100
Nairobi
00100

Opening Hours

Monday 08:00 - 18:00
Tuesday 08:00 - 18:00
Wednesday 08:00 - 18:00
Thursday 08:00 - 18:00
Friday 08:00 - 18:00
Saturday 09:00 - 18:00
Sunday 09:00 - 18:00

Telephone

+254723850909

Website

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