Keeping you safe inside your car Have ever thought living a life without a garage for quite a long time. Where there know mechanic, mula automobile consultants is there for you.
We help you out of problem by trouble shooting the problem of your vehicle then do it yourself if possible and advise accordingly.
Old places have souls. Just like old cars.
Push it to the limit...
Push it to the limit.
The first-ever BMW M8 Convertible.
BMW M8 Convertible: Fuel consumption in l/100 km (combined): 10.8. CO2 emissions in g/km (combined): 246. Further information: www.bmw.com/disclaimer
Acceleration (0-100 km/h): 3.3 s. Power: 441 kW, 600 hp, 750 Nm. Top speed (limited): 250 km/h.
This is (Episode 21) of the Series. Link to (Episode 22): Link posted when available Link to (Episode 20): https://youtu.be/i5Zy04iBvzI Extend...
Good to know...
As of the 2021 model year, all new vehicles will be equipped with the new R-1234yf refrigerant. Will this be something you can service as a DIY? Find out in today's .
Be prepared for whatever comes your way - because life is a race.
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[Mercedes-AMG GT 63 S 4MATIC+ | Kraftstoffverbrauch kombiniert: 11,3 l/100 km | CO2-Emissionen kombiniert: 257 g/km | mb4.me/RechtlicherHinweis/]
Its difficult for one mechanic to know everything.Try to inquire from other Mechanics if your problem re-occurs the third time !!
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Think of Buying a Car:
Food for thought, Engine Technology focuses on efficiency thus its influence on Fuel Economy is more than Engine Size!!
Teams and Groups are similar but different!! At Mula Automobile Consultants we are a Team.
No matter how much he loved his car, no man weeps when he sells it on for a better one.
blog.wellesleytoyota.com 1. How long will they be keeping the car? The projected length of ownership may have a huge bearing on what kind of vehicle you are going to purc
We want to extend our humble thanks for helping us make what we do a possibility. Because of you, we managed to reserve 1,000 Launch Edition Mazda MX-5 Miata RF pre-orders to those who love to drive. It’s why we continue to push ourselves to build the best-driving vehicles we can.
Combining roughness and style
Mercedes-Benz is proud to present you the first outlook on the new pickup bearing the three-pointed star: the Mercedes-Benz Concept X-CLASS.
The Concept X-CLASS comes in two distinct design variants – the "Stylish Explorer" and the "Powerful Adventurer". These two variants are united by a powerful engine, high ride comfort and exemplary safety, making the Concept X-CLASS the first true premium pickup.
True meaning of engineering as contrasted to science .Engineers use science to solve their problems if the science is available .But if available or not, the problem must be solved ,and whatever form the solution takes under these conditions is called engineering .
CHECKING THE CAR BATTERY
Your car’s battery stores the electrical energy necessary to start your vehicle’s engine and power electrical components while the engine is not running. The battery should be secure to prevent damage, and the cable connections should be clean and tight to allow the proper flow of electricity. Most car batteries are a sealed lead acid type battery that lasts from three to five years depending on driving conditions. If your engine turns over , this is a good indication that your battery is nearing the end of its life. If your car does not start at all, chances are, your battery is already dead. Replacing a battery is not a difficult job on most cars, just remember to wear hand and eye protection.
Using a digital multi-meter, check the battery voltage with the engine off and the battery cool. A digital multi-meter is reasonably priced and easily available at our local auto parts store. The best time to check a battery is in the morning before you drive. A fully charged battery should read about 12.6 volts Using a digital multi-meter, check the battery voltage with the engine off and the battery cool. A digital multi-meter is reasonably priced and easily available at your local auto parts store. The best time to check a battery is in the morning before you drive. A fully charged battery should read about 12.6 volts
Inspect the battery posts and cables for corrosion. Corrosion is a white powdery or chalky substance that forms on top of the battery.
Check the date code on the battery to determine the age.
Happy new year 2015
After engine idling for some good minutes ,on removing the oil deep stick, exhaust is observed passing through deep stick passage; what do u think is the problem?
Motor oil is designed to lubricate, cool and seal internal engine components. That’s why regularly checking and changing engine oil is an important part of overall vehicle maintenance. Running the engine with little or no oil will cause the engine to overheat and eventually seize up. Neglecting to change the oil periodically will shorten the life of your engine.
asme.org 18-year-old Samvir Thandi discusses his record-breaking toy rocket car, which reached an average speed of 287 mph.
what do you do first before you start your car in the morning?
The practical engine performance parameters of interest are;
Are you safe?
He says his fuel tank is linking.I here no fuel smell. To observe its water.Your 1st major tool is your sense organ!
Don,t hesitate comrade, just make a start before you regret tomorrow. good night
Before you start your engine make sure you;
1.Check the oil level
2.Check the coolant level
know more about your car
D. Exhaust System
The exhaust system carries exhaust gases from the engine’s combustion chamber to the atmosphere and reduces, or muffles, engine noise. Exhaust gases leave the engine in a pipe, traveling through a catalytic converter and a muffler before exiting through the tailpipe.
Chemical reactions inside the catalytic converter change most of the hazardous hydrocarbons and carbon monoxide produced by the engine into water v***r and carbon dioxide.
The conventional muffler is an enclosed metal tube packed with sound-deadening material. Most conventional mufflers are round or oval-shaped with an inlet and outlet pipe at either end. Some contain partitions to help reduce engine noise.
Car manufacturers are experimenting with an electronic muffler, which uses sensors to monitor the sound waves of the exhaust noise. The sound wave data are sent to a computer that controls speakers near the tailpipe. The system generates sound waves 180 degrees out of phase with the engine noise. The sound waves from the electronic muffler collide with the exhaust sound waves and they cancel each other out, leaving only low-level heat to emerge from the tailpipe
soon the fuel used will be water
Know more your car
Know more your car
Know more your car
C. Fuel Supply
The internal-combustion engine is powered by the burning of a precise mixture of liquefied fuel and air in the cylinders’ combustion chambers. Fuel is stored in a tank until it is needed, then pumped to a carburetor or, in newer cars, to a fuel-injection system.
The carburetor controls the mixture of gas and air that travels to the engine. It mixes fuel with air at the head of a pipe, called the intake manifold, leading to the cylinders. A vacuum created by the downward strokes of pistons draws air through the carburetor and intake manifold. Inside the carburetor, the airflow transforms drops of fuel into a fine mist, or v***r. The intake manifold delivers the fuel v***r to the cylinders, where it is ignited.
All new cars produced today are equipped with fuel injection systems instead of carburetors. Fuel injectors spray carefully calibrated bursts of fuel mist into cylinders either at or near openings to the combustion chambers. Since the exact quantity of gas needed is injected into the cylinders, fuel injection is more precise, easier to adjust, and more consistent than a carburetor, delivering better efficiency, gas mileage, engine responsiveness, and pollution control. Fuel-injection systems vary widely, but most are operated or managed electronically.
High-performance automobiles are often fitted with air-compressing equipment that increases an engine’s output. By increasing the air and fuel flow to the engine, these features produce greater horsepower. Superchargers are compressors powered by the crankshaft. Turbochargers are turbine-powered compressors run by pressurized exhaust gas
Know more about your car
B. Engine Types
The blocks in most internal-combustion engines are in-line designs or V designs. In-line designs are arranged so that the cylinders stand upright in a single line over the crankshaft. In a V design, two rows of cylinders are set at an angle to form a V. At the bottom of the V is the crankshaft. In-line configurations of six or eight cylinders require long engine compartments found more often in trucks than in cars. The V design allows the same number of cylinders to fit into a shorter, although wider, space. Another engine design that fits into shorter, shallower spaces is a horizontally opposed, or flat, arrangement in which the crankshaft lies between two rows of cylinders.
Engines become more powerful, and use more fuel, as the size and number of cylinders increase. Most modern vehicles in the United States have 4-, 6-, or 8-cylinder engines, but car engines have been designed with 1, 2, 3, 5, 12, and more cylinders.
Diesel engines, common in large trucks or buses, are similar to gasoline internal-combustion engines, but they have a different ignition system. Diesels compress air inside the cylinders with greater force than a gasoline engine does, producing temperatures hot enough to ignite the diesel fuel on contact. Some cars have rotary engines, also known as Wankel engines, which have one or more elliptical chambers in which triangular-shaped rotors, instead of pistons, rotate.
Electric motors have been used to power automobiles since the late 1800s. Electric power supplied by batteries runs the motor, which rotates a driveshaft, the shaft that transmits engine power to the axles. Commercial electric car models for specialized purposes were available in the 1980s. General Motors Corporation introduced a mass-production all-electric car in the mid-1990s.
Automobiles that combine two or more types of engines are called hybrids. A typical hybrid is an electric motor with batteries that are recharged by a generator run by a small gas- or diesel-powered engine. These hybrids are known as hybrid electric vehicles (HEVs). By relying more on electricity and less on fuel combustion, HEVs have higher fuel efficiency and emit fewer pollutants. Several automakers have experimented with hybrids.
In 1997 Toyota Motor Corporation became the first to mass-produce a hybrid vehicle, the Prius. It became available in Japan in 1997 and in North America in 2000. The first hybrid available for sale in North America, the Honda Insight, was offered by Honda Motor Co., Ltd., in 1999. Honda later introduced a hybrid version of the Honda Civic. In August 2004 the Ford Motor Company became the first U.S. automaker to release a hybrid vehicle when it began production of the Ford Escape Hybrid, the first hybrid sport- utility vehicle (SUV). The Escape Hybrid was released for the 2005 model year
Know more about your car;
Automobile Systems Automobile, self-propelled vehicle used primarily on public roads but adaptable to other surfaces. Automobiles changed the world during the 20th century, particularly in the United States and other industrialized nations. From the growth of suburbs to the development of elaborate road and highway systems, the so-called horseless carriage has forever altered the modern landscape. The manufacture, sale, and servicing of automobiles have become key elements of industrial economies. But along with greater mobility and job creation, the automobile has brought noise and air pollution, and automobile accidents rank among the leading causes of death and injury throughout the world. But for better or worse, the 1900s can be called the Age of the Automobile, and cars will no doubt continue to shape our culture and economy well into the 21st century.
Automobiles are classified by size, style, number of doors, and intended use. The typical automobile, also called a car, auto, motorcar, and passenger car, has four wheels and can carry up to six people, including a driver. Larger vehicles designed to carry more passengers are called vans, minivans, omnibuses, or buses. Those used to carry cargo are called pickups or trucks, depending on their size and design. Minivans are van-style vehicles built on a passenger car frame that can usually carry up to eight passengers. Sport-utility vehicles, also known as SUVs, are more rugged than passenger cars and are designed for driving in mud or snow.
Auto manufacturing plants in 40 countries produced a total of 63.9 million vehicles, including 42.8 million passenger cars, in 2004, according to Ward’s Auto, an auto industry analyst. About 16.2 million vehicles, including 6.3 million passenger cars, were produced in North America in 2004. For information on the business of making cars, see Automobile Industry.
The automobile is built around an engine. Various systems supply the engine with fuel, cool it during operation, lubricate its moving parts, and remove exhaust gases it creates. The engine produces mechanical power that is transmitted to the automobile’s wheels through a drivetrain, which includes a transmission, one or more driveshafts, a differential gear, and axles. Suspension systems, which include springs and shock absorbers, cushion the ride and help protect the vehicle from being damaged by bumps, heavy loads, and other stresses. Wheels and tires support the vehicle on the roadway and, when rotated by powered axles, propel the vehicle forward or backward. Steering and braking systems provide control over direction and speed. An electrical system starts and operates the engine, monitors and controls many aspects of the vehicle’s operation, and powers such components as headlights and radios. Safety features such as bumpers, air bags, and seat belts help protect occupants in an accident.
II. POWER SYSTEM
Gasoline internal-combustion engines power most automobiles, but some engines use diesel fuel, electricity, natural gas, solar energy, or fuels derived from methanol (wood alcohol) and ethanol (grain alcohol).
Most gasoline engines work in the following way: Turning the ignition key operates a switch that sends electricity from a battery to a starter motor. The starter motor turns a disk known as a flywheel, which in turn causes the engine’s crankshaft to revolve. The rotating crankshaft causes pistons, which are solid cylinders that fit snugly inside the engine’s hollow cylinders, to move up and down. Fuel-injection systems or, in older cars, a carburetor deliver fuel v***r from the gas tank to the engine cylinders.
The pistons compress the v***r inside the cylinders. An electric current flows through a spark plug to ignite the v***r. The fuel mixture explodes, or combusts, creating hot expanding gases that push the pistons down the cylinders and cause the crankshaft to rotate. The crankshaft is now rotating via the up-and-down motion of the pistons, permitting the starter motor to disengage from the flywheel.
The basic components of an internal-combustion engine are the engine block, cylinder head, cylinders, pistons, valves, crankshaft, and camshaft. The lower part of the engine, called the engine block, houses the cylinders, pistons, and crankshaft. The components of other engine systems bolt or attach to the engine block. The block is manufactured with internal passageways for lubricants and coolant. Engine blocks are made of cast iron or aluminum alloy and formed with a set of round cylinders.
The upper part of the engine is the cylinder head. Bolted to the top of the block, it seals the tops of the cylinders. Pistons compress air and fuel against the cylinder head prior to ignition. The top of the piston forms the floor of the combustion chamber. A rod connects the bottom of the piston to the crankshaft. Lubricated bearings enable both ends of the connecting rod to pivot, transferring the piston’s vertical motion into the crankshaft’s rotational force, or torque. The pistons’ motion rotates the crankshaft at speeds ranging from about 600 to thousands of revolutions per minute (rpm), depending on how much fuel is delivered to the cylinders.
Fuel v***r enters and exhaust gases leave the combustion chamber through openings in the cylinder head controlled by valves. The typical engine valve is a metal shaft with a disk at one end fitted to block the opening. The other end of the shaft is mechanically linked to a camshaft, a round rod with odd-shaped lobes located inside the engine block or in the cylinder head. Inlet valves open to allow fuel to enter the combustion chambers. Outlet valves open to let exhaust gases out.
A gear wheel, belt, or chain links the camshaft to the crankshaft. When the crankshaft forces the camshaft to turn, lobes on the camshaft cause valves to open and close at precise moments in the engine’s cycle. When fuel v***r ignites, the intake and outlet valves close tightly to direct the force of the explosion downward on the piston.
Air Bag Activation
Air Bag, safety device consisting of a large fabric bag that fills with air and provides protection for the head and upper body of an occupant of a motor vehicle during a collision. In head-on collisions, drivers and passengers are thrown forward inside the vehicles. When an air bag is activated, or deployed, it inflates instantly and creates a firm barrier that counters the forward motion of the driver or the front-seat passenger. Air bags are designed to prevent the driver or front-seat passenger from hitting the windshield or dashboard of the vehicle, thereby eliminating injuries or reducing their severity. An air bag is also known as a supplemental restraint system (SRS), or a supplemental inflatable restraint (SIR). Air bags are designed to work in conjunction with seat belts. However, an air bag alone can provide some protection for a vehicle occupant who is not wearing a seat belt. See also Automobile: Safety Features.
In 2002 over 60 percent of all vehicles in the United States were equipped with drivers air bags. The National Highway Traffic and Safety Administration (NHTSA) estimated that by 2002 air bags had saved the lives of over 9,000 people in the United States.
II. HOW AN AIR BAG WORKS
There are several types of air bags. A driver-side air bag is stored inside the steering wheel. It inflates during a frontal collision to prevent the driver from hitting the steering wheel or steering column. A passenger-side air bag is stored inside the instrument panel or dashboard. It inflates during a frontal collision to prevent the front-seat passenger from hitting the windshield. The passenger-side air bag is larger than the driver-side air bag and has a different shape. Some vehicles also have side-impact air bags inside the doors, arm rests, front seats, or rear seats. Side-impact air bags inflate during a side collision. A recent design is a head-restraint system that deploys an air bag from above the side window for added protection in side collisions. Air bags are not designed to inflate or to protect passengers in rear-end collisions or rollovers.
Air bags are made of a nylon or polyester fabric coated with neoprene (a synthetic rubber). Depending on its type, an air bag is folded up inside an assembly located under the steering-wheel cover, inside the instrument panel or dashboard, or in the side panel. The deployment of air bags is controlled by crash sensors and an electronic control module. The crash sensors are designed to detect the sudden deceleration, or slowing down, of a vehicle caused by a crash. When a crash is detected, the electronic control module energizes the air bag inflator. Within the air bag assembly is a metal container with pellets of sodium azide, a chemical that when ignited produces nitrogen gas. When signaled by the sensors, the control module heats a wire that ignites the pellets. A large amount of nitrogen gas is quickly produced and rushes into the bag, causing it to inflate. Deployment occurs extremely fast (in 20 to 35 milliseconds) and with explosive force. The air bag bursts outward at speeds of up to 320 km/h (200 mph) to block the forward motion of the vehicle occupants.
After the air bag is deployed, the nitrogen gas inside the bag is vented through small holes in the back of the bag, allowing the bag to collapse within a few seconds. Talcum powder or cornstarch is typically packed with the air bag to act as a lubricant so that the folded bag doesn’t stick together. A small amount of smoke is created when the nitrogen gas is produced, and the smoke sometimes enters the passenger compartment during deployment. The smoke and the talcum often leave a harmless white coating on the interior of the vehicle.
Air bags that have been deployed as a result of an accident must be replaced when collision repairs are made. Air bag replacement costs range from $400 to over $1,000. Some vehicles also require a new control module and new crash sensor
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