how things work ECU

What Is An ECU?

      

Quite simply put ECU is a device that controls all the electronic features in a car. This may range from fuel injection to maintaining perfect cabin temperature to controlling braking and suspension. Some vehicles have multiple ECU controlling different features while some have a single one controlling everything

Types Of ECU

With vehicles having multiple ECU they are divided on what tasks they perform. Some of these types are as follows.

• Engine Control Module 
  
  
  

With its sensors, the ECM ensures the amount of fuel and ignition timing necessary to get the most power and economy out of the engine.

• Brake Control Module
  
  
  

Used in vehicles with ABS, the BCM makes sure that the wheels are not skidding and determine when to trigger braking and let go of the brake to ensure the wheels don’t lock up.

• Transmission Control Module
  
  
  

Used on an automatic vehicle, the TCM ensures you get the smoothest shifts possible by assessing the engine RPM and acceleration of the car.

• Telematic Control Module
  
  
  

Another one with the same abbreviation this TCU ensures the car onboard services are up and running. It controls the satellite navigation and Internet and phone connectivity of the vehicle.

• Suspension Control Module
  
  
  

Present in Cars with active suspension systems, the SCM ensures the correct ride height and optimal changes to suspension depending on the driving condition.

Watch this video to understand it better

Read More

 

The purpose of car fuel system

Car fuel system`s purpose is supply fuel from fuel tank to the engine cylinder. Also this system provides the fuel storage and cleaning before admission to the cylinder.

The base fuel system has next main elements:

Fuel tank 

it is a fuel storage reservoir. The fuel tank of modern cars is a difficult system, which includes next elements: reservoir, fuel neck, fuel gauge, fuel pump, and others.

Fuel Pipeline system 

these is pipelines that provide fuel supply to other fuel elements

Fuel pump  

is a device which pumping the fuel from tank to the engine; Fuel pump of modern injection systems creates enough high pressure. Electrical fuel pumps are common using on the modern car. Diesel engine pumps can be two types of: low and high pressure. Typically high pressure pump are used on the diesel engine.

Fuel filter (or filters)

There are two types of fuel filters, like coarse fuel filter and fine fuel filter; The purpose of filters are cleaning of fuel from different types of dirty, dusty and so on.

Fuel injection device or Carburetor.

 It is device in which supply fuel and air to creating air-fuel mixture.

Read More

 How The Lubrication System Works In An Engine?

The first task of oil in the engine is to keep the things oily so they could not get dry. Just think for a while if the eardrum-piercing sounds of metal pistons screeching up and down inside a dry cylinder. It will be so annoying, isn’t it?
There are pleasant effects of keeping the engine lubricated with automotive lubricants There is little friction, which makes a sense that engine has to make little effort to keep it running. So, it means that it is able to skate on less fuel can run at the lower temperature. And this means that less wear and tear on the engine parts. Engine needs to fill with clean oil so it can perform well.
Never get fooled by the term “lubrication”, sometimes when you go to the local quick lube work shop, they recommend you are supposed to have a “lube job”. That is certainly not an oil change. That absolutely means oiling the chassis and suspension system. None of them shares the oil with lubrication system in engine.

Lubrication system

The Engine lubrication system is considered to give a flow to the clean oil at the accurate temperature, with a appropriate pressure to each part of the engine. The oil is sucked out into the pump from the sump, as a heart of the system, than forced between the oil filter and pressure is fed to the main bearings and also to the oil pressure gauge. The oil passes through the main bearings feed- holes into the drilled passages which is in the crankshaft and on to the bearings of the connecting rod. The bearings of the piston-pin and cylinder walls get lubricated oil which dispersed by the rotating crankshaft. By the lower ring in the piston the excess being scraped. Each camshaft bearing is fed by the main supply passage from a branch or tributary. And there is another branch which supplies the gears or timing chain on the drive of camshaft. The oil which is excesses then drains back to the sump, where the heat is being transferred to the surrounding air.

Oil gallery

Oil cooler

Oil filter

Oil pan or oil sump

Oil pump

Watch this video to understand it better

Read More

How things work engine cooling system

COOLING SYSTEM 

An automobiles cooling system is the collection of parts and substances (coolants) that work together to maintain the engines temperature to optimum levels. Comprising many different components such as water pump, coolant, a thermostat etc. the system enables smooth and efficient functioning of the engine at the same time protecting it from damage.

MAJOR COMPONENT LIST

1. Water Pump
2. Radiator
3. Water Jacket
4. Thermostat

• Water Pump
  
  
  

The purpose of a car water pump is to push coolant through the car's engine block, radiator and hoses to get the engine heat away from the system. Most frequently, the water pump drives off the crankshaft itself.

• Radiator
  
  
  

Radiators are heat exchangers used for cooling internal combustion engines, mainly in automobiles but also in piston engine aircraft, railway locomotives, motorcycles, stationary generating plant or any similar use of such an engine.

• Water Jacket
  
  
  

It is designed to keep engine block and cylinder head cool. When engine is running at normal operating temperature, the coolant is forced through the water jackets in the engine block, through the head gasket, into the head and back to the radiator.

• Thermostat
  
  
  

A thermostat is a component which senses the temperature of a system so that the system's temperature is maintained near a desired set point.

Watch this video to understand it better

Read More

How Antilock Braking System (ABS) work - Car Safety Systems(ABS)

   AntiLock_Braking_System_(ABS)

 

 during emergency breaking on surfaces i drive me applied breaking force that is greater solitaire capacity for griz if it how do we can look up cauty vehicle to kid travis control by preventing lockout vehicles drops funeral and remained under the drive play control breaking system or ideas provide this assistance so how does it work on each wheel contently men start rotational bad ideas control module sample his daughter continually comparing the rotational speed of each real one more real what is rotating flowers in the attic if i could vision rebel bring the wheel to mark this distance take action it instructor break multiple linda to direct breakfast away from the lox will

releases enrique instructions will begin to turn again breaking fourth is momentarily reapplied this process is repo i said upchurch twenty times a second i'm called the characteristic hoping field through the break peddle as a result the driver intended breakfast is a pride i don't looking at anything i love in the driver to maintain feeling control wild breaking meaning stopping differences may also be reviews the left has abs the vehicle on the run might just north by the eagles traveling at one hundred kilometers per hour let it be me late and american breaking situation and play what happens travel guides break at the same time end with the same force but the vehicle with abs maintain control one breaking i need able to hear around the optical apps how to the driver avoid accidents by presenting lockup and lots of trucks listen to drive to maintain during control during heading breaking and may how to reduce stopping distance 

Watch this video to understand it better

Read More

learn about full suspension_system:

Introduction:

 The suspension system’s primary function is to maximize the overall performance of a vehicle as it cruises down the road. The suspension system also helps to absorb bumps in the road and provides a safe and comfortable ride.

components:

   1:#Knuckle=It connect wheel and vehicle suspension connecting hub bearing, calipers, shock absorber, and control arm. It mounted both front and rear suspension. It allows the steering arm to turn the front wheel.

   

   2:#Bearing: knuckle provides housing for bearing over which the wheel hub rotates along with the rotation of the wheels.

   3:#wheel_hub: It is fitted in the bearing. And it is attached to the power shaft. so the wheel hub rotates with the power shaft.

   4:#coil_spring: It Absorbs the shocks hit. And make the vehicle safe. It is made from steel.

   5:#Tie_rod: when you turn your vehicle and drive your steering. This tie rod pulls the wheel in your selected turn.

   6:#shocks_absorber: It also absorbs impacts from bumps, potholes, and other road irregularities. more details about shock absorbers go...... https://cutt.ly/sja1dfg

   7:#Anti_Sway_Bars: It another name is stabilizer bars. It uses a vehicle suspension because when you turn your vehicle. That time the vehicle body rolls or sway to the outside of the turn. This means that the weight of your vehicle is transferred more to the outside wheels, and the suspension on your outside wheels compress. The sway bar will push the tires on the inside of the turndown or compress the inside wheel’s suspension, so they stay in contact with the road to control your vehicle’s stability.

   8:#Ball_joint: It connects to the wheels and suspension of your vehicle. It allows movement to flexibly of the two parts of that connection in more than one direction at the same time.

   9:#Control_Arm: A vehicle two arm. one is the upper control arm another is the lower arm. It connects to the knuckle.

Watch this video to understand it better

Read More

 The function of the steering system

The function of the steering system is to convert the rotary movement of the steering wheel into an angular turning of the front wheels. It also multiplies the driver’s effort by leverage or mechanical advantage so that it makes easier to turn the wheels. Steering knuckles carry the front wheels that run on the ball or tapered roller bearings. Hence, the steering system also must absorb some part of road shocks and prevent them from transmitting to the driver.

     When the driver turns the steering wheel, it transmits the resulting motion to a steering tube. This tube rotates inside the steering column and transmits the motion further to the steering gear-set fitted at the end of the steering tube. Steering gear set changes the direction of motion and multiplies the twisting force according to the gear ratio. The output or roller shaft rotates and moves the itman arm. It further transmits the motion to the steering knuckle thru’ the relay rod, the idler arm, tie rods, and steering arms

Watch this video to understand it better

Read More