Elixir Automobile LTD

14/02/2025

• Engine parts
1- Piston
2- Connecting rod
3- Piston rings
4- Crankshaft bearings
5- Crankshaft
6- Cylinder block
7- Timing belt cover
8- Alternator belt and pulley
9- Belt tensioner
10- Alternator
11- Camshaft belt, gear, and pulleys
12- Camshaft
13- Valve lifters
14- Valves
15- Cylinder head
16- Camshaft bearings
17- Intake manifold
18- Temperature sensor
19- Exhaust manifold
20- Oil sump
21- Camshaft bearings (16)
22- Spark plug wires
23- Valve springs
24- Spark plugs
25- Valve cover
26- Fuel line
27- Exhaust pipe gasket
28- Cylinder head gasket
29- Oil pump
30- Distributor
31- Fuel injectors
See less

24/12/2024

Different Fluids our Car Needs

If you aren't aware of the importance of fluid maintenance, then you might want to start learning. Similar to the water we consume, your vehicle needs various fluids to stay active and driving. If these six fluids aren't regularly inspected and topped off, your automobile will be at risk of lower performance, gas mileage, and value, as well as a higher risk of a breakdown or collision.

1. Engine Oil:

Engine oil, also referred to as motor oil, is the most vital fluid of all. As you may know, its primary job is to lubricate and protect your engine's components from overheating. As a responsible vehicle owner, you should know which type of oil your vehicle takes. You can find the oil specifications for your car in the owner's manual if you are unsure.

2. Transmission Fluid:

Similar to engine oil, transmission fluid serves to lubricate your transmission. This fluid is usually a red color. If you notice that the fluid status is low or contaminated, you should have it changed or flushed immediately.

3. Brake Fluid:

Without this essential solution, your vehicle would not be able to slow down or come to a complete stop. If you start to notice a brake delay or unusual feeling with your brakes, you should first check your brake fluid levels.

4. Coolant:

Engine coolant aids in cooling down your engine by absorbing excess heat and taking toxic byproducts out of the exhaust system. Without coolant, your engine would simply overheat.

5. Windshield Wiper Fluid:

Windscreen washer fluid is employed to clean the windshield of your car. It is often overlooked, but it is crucial for safe driving. Without this liquid, you could experience trouble seeing through your dirty windscreen.

6. Differential Fluid:

Differential fluid reduces friction and heat in the differential, which helps the wheels rotate at different speeds when turning or driving over rough terrain. Without differential fluid, the gears would generate too much heat, which could damage or fail the differential system.

19/12/2024

Why these rings are used on piston?

The Role and Importance of Piston Rings

Piston rings are critical components in an internal combustion engine. These small metal rings are fitted into grooves on the piston and play a major role in engine performance, efficiency, and longevity. Their primary functions include sealing the combustion chamber, controlling oil consumption, and transferring heat from the piston to the cylinder walls.

Types of Piston Rings
1. Compression Rings: These are the topmost rings and their primary job is to seal the combustion chamber, preventing combustion gases from leaking into the crankcase (a condition called blow-by). They also transfer heat from the piston to the cylinder wall, protecting the piston from excessive heat.
2. Wiper Rings: Positioned below the compression rings, they serve as a secondary seal to trap any gases that escape the top ring. Additionally, they help remove excess oil from the cylinder walls and return it to the crankcase.
3. Oil Control Rings: Located at the bottom, their role is to scrape off excess oil from the cylinder walls while leaving behind a thin oil film. This ensures proper lubrication, reduces friction, and prevents oil from reaching the combustion chamber.

Key Functions of Piston Rings
1. Sealing the Combustion Chamber
Piston rings create a tight seal between the piston and cylinder wall, preventing high-pressure combustion gases from escaping. This ensures maximum power output and fuel efficiency. If the seal is compromised, engine performance drops due to power loss and reduced compression.
2. Oil Control
The oil control ring regulates the oil on the cylinder walls. Too much oil can burn in the combustion chamber, leading to smoke, increased emissions, and engine knocking. Conversely, too little oil causes friction and accelerates wear. The rings balance oil distribution to ensure smooth operation.
3. Heat Transfer
During combustion, pistons absorb extreme heat. Piston rings help transfer this heat to the cylinder walls, where it is dissipated through the engine’s cooling system. This prevents overheating and thermal expansion of the pistons, which could otherwise damage the engine.
4. Friction Reduction
Piston rings maintain a thin film of oil between the piston and cylinder wall. This reduces friction and prevents direct metal-to-metal contact, minimizing wear and extending engine life.

Common Issues with Piston Rings

Piston rings are subject to wear over time. Some common issues include:
• Worn Rings: Wear reduces their ability to seal the combustion chamber, leading to blow-by, power loss, and increased oil consumption.
• Stuck Rings: Rings can get stuck due to carbon buildup or sludge, preventing proper oil control and sealing.
• Broken Rings: A broken ring can damage the cylinder wall, reduce compression, and allow oil to enter the combustion chamber.

Conclusion

Piston rings are small but essential for engine performance. They seal combustion gases, control oil, transfer heat, and reduce friction. Without properly functioning piston rings, engines would lose power, consume excess oil, and suffer from increased wear. Regular maintenance and timely replacement ensure the engine runs efficiently and reliably for years.

18/12/2024

16/10/2024

Two Hilux accidents in a space of 24 hours .
Is Hilux to blame ? ,Does the car have a design fault ? Why always Hilux Hilux in the news .I have seen so many Hiluxes that have overturned or in accidents .
So many accidents in Hiluxes are caused by over speeding .A Hilux is a utility vehicle and is designed to carry cement ,groceries and other cargo of between 800 to 1000 kgs . Its a comfortable vehicle and easily tackles most terrain. The older hiluxes were dedicated off-road vehicles and were made very solid .However after 2005 on road performance became a priority and the suspension type became softer powerful engines like the 2Kd, 1kd ,1GR where introduced .The most powerful of these is the latter .A Hilux can do 0 to to 100 in about 9 seconds in the top of the range model .

Weaknesses of a Hilux

Stability issues in curves is one thing I have noticed about the Hilux after 2006 model .Sudden swerving and you are gone.
The Hilux also has a tendency to bounce on tarmac as the 2006 suspension and upwards is very soft .Therefore you need to take this into consideration.
After 2006 model Hilux is not stable above 150 km/hr and above these speeds you are likely to lose control if not careful however the Hiluxes made after 2020 are more stable .
All in all a Hilux is a utility vehicle and should be treated as such .I would never drive above 150 km /hr in a Hilux as the car is not stable at those speeds .

© Anthony Wexs August 7 2023 .

16/10/2024

You see, one thing you need to understand when it comes to automobile troubleshooting and subsequent repair works is that it isn’t straightforward.

Gone are the days when it was just loose, replace and fix and tadaaa, problem solved, even that it wasn’t easy since not everyone could do it.

Troubleshooting vehicle problems especially electrical/electronics, require more thinking and education and it’s sometimes have a lot to do with your understanding of English to interpret the the codes the diagnostic device gives you.

The diagnostic device will rarely give you the solution to the problem you encounter, else most people who have devices can solve their own problems.

Troubleshooting is the main job, that is when you have to find what is causing the problem, and how to resolve it. Most vehicles we have now are simply bigger computers with input devices, output devices and the brains or modules that control the input and give out something. It could be wires, the modules/ecu and other components.

Now imagine finding a fault through looking for a particular wire, junction connector, a control board, etc. it’s not an easy, we just understand it and make it look easy.

24/09/2024

Following Are The Common Types of Drivetrain:

1. Front-Wheel Drive

Front-wheel drive (FWD) is a form of engine and transmission layout used in motor vehicles, in which the engine drives the front wheels only.

2. Rear-Wheel Drive

Rear-wheel drive (RWD) is a form of engine and transmission layout used in motor vehicles, in which the engine drives the rear wheels only.

3. All-Wheel Drive

An all-wheel drive vehicle (AWD vehicle) is one with a powertrain capable of providing power to all its wheels, whether full-time or on-demand.

4. Four-Wheel Drive

A four-wheel drive, also called 4×4 ("four by four") or 4WD, is a two-axled vehicle drivetrain capable of providing torque to all of its wheels simultaneously.

20/09/2024

OPERATION OF CAMSHAFT SENSOR

The camshaft sensor is an important component in an engine’s timing and control systems. It monitors the position and rotational speed of the camshaft, which is essential for the engine management system to optimize performance and efficiency.

Here’s how it operates:
Function of a Camshaft Sensor
Position
The camshaft sensor provides critical information about the position of the camshaft relative to the crankshaft. This helps the engine control unit (ECU) determine the timing of fuel injection and ignition.

Types of Camshaft Sensors

Magnetic Sensors: These detect the camshaft's position using magnetic fields.

Hall Effect Sensors: These use a magnetic field to generate a voltage signal based on the position of the camshaft.

Optical Sensors: These utilize light to detect the camshaft position through patterns on a disk.

Operating Principles
Rotation Detection: As the camshaft rotates, the sensor detects specific points on the camshaft. This can be done through a notched wheel, a magnetic signal, or an optical pattern, depending on the sensor type.

Signal Generation: The sensor generates an electrical signal that corresponds to the camshaft's position.

For example, in a Hall Effect sensor, a magnet on the camshaft triggers the sensor to produce a voltage pulse as it rotates.

Data Transmission: The signal is sent to the ECU, which uses the information to synchronize the ignition timing and fuel injection with the engine’s cycle.

Actions Taken
Timing Adjustments: The ECU uses data from the camshaft sensor to adjust the timing of the ignition and fuel delivery, ensuring optimal performance and efficiency.

Misfire Detection: If the sensor detects irregularities, it can indicate potential misfires, prompting the ECU to take corrective actions.

Performance Optimization: Accurate camshaft position data allows for better engine performance, fuel efficiency, and reduced emissions.
Engine Safety: Prevents potential engine damage by ensuring proper timing and operation.

Maintenance
While camshaft sensors are generally reliable, they can fail due to wear or exposure to high temperatures.

Symptoms of a failing sensor include poor engine performance, misfires, or a check engine light. Regular diagnostics can help ensure proper function.

19/09/2024

Hybrid car and its principle.

Most regular cars use an alternator to charge their batteries. But hybrid cars don't have alternatorrs. So how do they keep their batteries charged?

Read on to find out.

What's different about hybrid cars?

Hybrid cars have two power sources: a fuel engine and an electric motor. They also have a special battery that's much bigger than a regular car battery. This battery powers the electric motor and needs to be charged regularly.

No alternator? No problem

Instead of an alternator, hybrid cars use a device called a generator. This generator does the job of an alternator, but it's much more efficient.

How does the generator work??

The generator in a hybrid car is connected to the fuel engine. When the engine is running, it spins the generator. The generator then turns this spinning motion into electricity, which charges the battery.

But that's not all..

Hybrid cars have another way to charge their batteries: regenerative braking.

Here's how it works:-

1. When you press the brake pedal, the electric motor starts working backwards.

2. This backward motion slows down the car.

3. At the same time, it acts like a generator, creating electricity.

4. This electricity is sent to the battery, giving it a boost of power.
So every time you brake, you're actually charging the battery a little bit.

What about plug-in hybrids??

Some hybrid cars can also be plugged into an electrical outlet to charge. These are called plug-in hybrids. They can charge their batteries just like you charge your phone.

The benefits of this system

This charging system has the following advantages:

1. It's more efficient than a regular alternator.

2. It helps the car use less fuel.

3. It reduces wear and tear on the brakes.

4. It allows the car to capture energy that would otherwise be wasted.

19/09/2024

Hilux and Prado owners!!!

DON'T BECOME A STATISTIC! The mighty Hilux is an absolute weapon, known for its reliability and longevity. However, these vehicles do need a bit of love and care. The N70 range suffers from a few mechanical issues that can be avoided with the correct preventative maintenance.

Things to keep an eye on:

1) Injector's over-fueling. This can cause major damage to pre-facelift N70's, often burning or cracking holes through the piston. Symptoms include loud cracking/knocking noise on cold start-up and high fuel consumption.

Repair: Basic compensation data can be read via our scan tool and we can detect if an injector is out of spec. Recommended replacement is around 150 000km however we look at the actual data before condemning them. To be replaced as a set.

2) Leaking injector seals. These seals should be done every 40000km. We personally extend that service interval slightly especially with the upgraded washers. If the washers are not replaced regularly they often will leak combustion gas into the cavity where the injector lives. The injectors are oil cooled which means the combustion gas/soot/carbon then accumulates in the oil. This accumulation can get bad enough that the carbon build-up in the oil clogs up the oil pump pick-up. This would cause sever engine damage due to a lack of lubrication. Easy way to see if your sump is blocking up is to inspect through the drain hole on your next service.

Repair: Regular injector washer replacement and oil changes.

3) Turbo actuator failure. VNT turbo's are awesome however they come with their own issues, being electronically controlled. You might have fault codes present or a random check engine light pop up from time to time. Most commonly the stepper motors do give up however the turbo internals could be seizing/carboned up and there is a common wiring fault associated with this issue. Best to get this fault diagnosed by Toyota specialists like ourselves.

4) Intake manifold restriction due to carbon build up. Due to the engine breather being plumbed into the intake and the EGR system. These vehicles are known to have issues severely clogging up the intake. This restricts airflow and can be hazardous to your engine. Not only does it limit performance and make a massive difference to your fuel consumption, it can also cause fault codes by restricting the movement of your swirl flaps located inside the manifold.

Repair: Intake manifold remove and clean - we suggest doing this every 100000km. It might be a bit of a job ( trust me, we have done 100's) but the results are definitely worth it!

If you are worried about your Hilux and want to keep it going for years to come. Speak to the team . We can diagnose, repair and supply parts for these lovely machines all at an affordable price.

Don't let your 1kd look like this!

Keep safe out there team and have a great day 😎

16/09/2024

Following are the common types of car headlights:

1. Halogen Lights

The most popular type of lights on highways these days are halogen lights. They use a combination of gases commonly nitrogen and argon, and tungsten filament in a glass tube.

2. HID Lights

Another type of car light that can be used for different lights on a car is the HID light bulb. These HID lights are unique because they don’t have a filament as most light bulbs give.

3. LED Lights

These lights are a very energy-efficient kind of headlight that is starting to show up in headlights. These headlights are versatile and bulbs can be made in many different sizes.

4. Laser

The most innovative headlight technology currently on the market is laser lighting. For this reason, not only are they the greatest in their class but also the priciest. Laser lights use lasers to ignite a gas. The gas burns incredibly bright as a result.

5. Carbide

Carbide headlights were headlights for bicycles and motor cars that used carbide lamps to produce light.

6. Electric Lights

Electric headlights, or car headlamps, are lamps that are attached to the front of a vehicle to help drivers see the road at night or in low light condition.