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Shakoy TV, Port Harcourt (2025)

16/05/2025

The image depicts an exhaust manifold with oxygen sensors, key components in a vehicle's emission control system.

Function:

Oxygen sensors measure the amount of oxygen in the exhaust gas. This data is sent to the car's computer (ECU) to adjust the air-fuel ratio for optimal combustion and reduced emissions.

Location:

The image shows two sensors:
Upstream sensor: Located before the catalytic converter.
Downstream sensor: Located after the catalytic converter.

Importance:

Proper functioning ensures peak engine performance, prevents issues like misfires and rough idling, and maintains fuel efficiency.

Warning Signs:

Faulty sensors can cause the check engine light to illuminate, rough idling, decreased power, and black exhaust smoke.

Maintenance:

Replacing an oxygen sensor is a relatively simple task.

16/05/2025

📌 Car Suspension Types Explained: From MacPherson to Air Suspension:

Suspension systems in vehicles are crucial for ride comfort, handling, and stability. Here's a breakdown of common suspension types:

1. Independent Suspension:

Each wheel moves independently of the others. This design improves ride comfort and handling since bumps affecting one wheel don’t disturb the opposite wheel. Common in passenger cars.

2. Non-Independent Suspension (Solid Axle):

Wheels are connected by a solid beam or axle. Movement of one wheel affects the other. Though not as comfortable, it's strong and simple, often used in trucks and off-road vehicles.

3. MacPherson Strut:

A type of independent suspension widely used in front wheels. It combines a shock absorber and coil spring into a single unit, saving space and cost. However, it offers limited performance tuning compared to other setups.

4. Double Wishbone Suspension:

Uses two control arms (upper and lower wishbones) to control wheel motion. Offers better handling and tire contact during cornering. Found in performance and luxury vehicles due to its precision and adjustability.

5. Multi-Link Suspension:

An advanced independent system with three or more control arms per wheel. Offers excellent handling, comfort, and adjustability. Common in high-end and performance cars, though complex and expensive to manufacture.

6. Trailing Arm Suspension:

The wheel is attached to an arm that pivots from the chassis. Mainly used in the rear of older or smaller vehicles. Offers decent ride comfort but limited performance.

7. Solid Axle (also known as Live Axle):

Common in non-independent suspension systems, where both wheels are mounted to the same axle. Popular in off-road and heavy-duty applications for its durability and strength.

8. Air Suspension:

Uses air springs instead of metal coils. Can adjust ride height and stiffness electronically, offering superior comfort and adaptability. Found in luxury cars, buses, and some off-road vehicles.

03/05/2025

“I’ll be honest — this package is so nasty, it actually scares me.
We were dynoing this beast tonight, and it’s all business.
Brutal idle, revs like a light switch, and makes so much torque it literally bottomed out the load cell on my dyno.
Our packages keep getting better and better. If you’re interested in a complete, well-engineered twin-turbo engine, give us a call.

03/05/2025

Know your car

03/05/2025

🚗 How a Starter Motor Works – The Heart of Your Car’s Ignition! 🔧⚡
The starter motor is the powerhouse that gets your engine running! It converts electrical energy from the battery into mechanical energy to crank the engine. Without it, your car wouldn’t start! 🚙💨

Key Components:

🔹 Starter Motor – Turns the engine over.
🔹 Solenoid – Acts as a switch to engage the motor.
🔹 Battery – Supplies the necessary power.
🔹 Flywheel – Connects to the engine for rotation.

Step-by-Step: How It Works

1️⃣ Ignition Activated – Turning the key or pressing the button sends a signal. 🔑
2️⃣ Solenoid Engages – Connects the battery to the starter motor. ⚡
3️⃣ Gear Engagement – Starter gear meshes with the flywheel. ⚙️
4️⃣ Motor Spins – The engine cranks as the starter turns. 🔄
5️⃣ Engine Starts – The flywheel turns, bringing the engine to life! 🚀
6️⃣ Disengagement – The solenoid retracts the starter gear, completing the process. ✅
A properly working starter motor ensures smooth and quick engine starts every time! 💪🚗

01/05/2025

A comprehensive look at the exhaust system in a car

The exhaust system plays a vital role in starting the car, discharging harmful gases away, reducing noise, and supporting emission control systems. Let's break it down together:

Components of Exhaust System

✍️ 1. Exhaust Manifold: Collects the exhaust gases from each cylinder individually.
✍️ 2. Downpipe: connects the exhaust manifold to the catalyst converter.
✍️ 3. Catalytic Converter: Converts harmful contaminants into less-toxic emissions.
✍️ 4. Muffler: reduces engine noise and directs gases regularly.
✍️ 5. Tailpipe: the final exit point for gases.
✍️ 6. Exhaust Pipes: All system components reach each other.

Exhaust System Functions

✍️ 1. Drain the gases away: Protect passengers from inhaling toxic fumes.
✍️ 2. Reducing emissions: helps make your car environmentally friendly.
✍️ 3. Reduce the noise: makes driving quieter and smoother.
✍️ 4. Improved Performance: Reduces rear pressure to increase engine efficiency.

Types of Exhaust Systems

✍️ 1. Single Exhaust: a single exhaust system, common in normal cars.
✍️ 2. Dual Exhaust: at two ends, often to give the car extra power.
✍️ 3. High-Performance System: Designed to improve power and airflow.

Signs of a failure in the exhaust system

✍️ Making a loud noise from the engine.
✍️ Observed vibrations while driving.
✍️ Decrease in strength or fuel efficiency.
✍️ Appearance of smoke or abnormal emissions.
✍️ Lighting the "Check Engine" bulb in the tabloon.

Exhaust system care tips

✍️ Periodically check the system to look for rust, holes or disconnected connections.
✍️ Replace damaged parts immediately.
✍️ Clean the pipes to prevent carbon buildup.

Stay safe and keep your car efficient—know your exhaust system well!

30/04/2025

10 Costly Engine-Killing Habits You Should Stop Now

Many drivers unknowingly shorten their engine’s life through poor maintenance or driving habits. Here are the top 10 mistakes to avoid to keep your engine in top shape:
1. Skipping Oil Changes
Oil lubricates engine components. Neglecting oil changes leads to wear, overheating, and engine failure.
2. Revving a Cold Engine
Revving before the engine warms up causes unnecessary wear. Always let the engine reach optimal temperature before pushing it.
3. Ignoring Warning Lights
Dashboard warning lights indicate critical issues. Ignoring them can turn minor problems into major repairs.
4. Driving on Low Fuel
Low fuel levels cause the fuel pump to overheat and clog. Always keep at least a quarter tank of gas.
5. Neglecting the Cooling System
A failing cooling system can cause overheating, leading to engine damage. Regularly check coolant levels and radiator health.
6. Using Cheap Oil or Wrong Grade
Cheap or incorrect oil doesn’t provide proper lubrication, leading to internal damage. Stick to manufacturer recommendations.
7. Riding the Clutch (for manual cars)
Keeping your foot on the clutch pedal wears it out prematurely, leading to transmission and engine strain.
8. Overloading the Vehicle
Carrying excessive weight stresses the engine, causing overheating and reducing fuel efficiency.
9. Accelerating Aggressively
Hard acceleration strains the engine and increases wear on internal parts, reducing longevity.
10. Neglecting Air Filters
Dirty air filters reduce airflow to the engine, impacting performance and fuel efficiency. Replace them regularly.

30/04/2025

Smoke Color Diagnostics

🔵 (Oil Burning Issue)
Cause:
• Engine oil burning in the combustion chamber due to:
• Worn piston rings
• Valve or turbo seals
• Excessive oil in the crankcase

Solution:
1️⃣ Replace worn piston rings or valve seals.
2️⃣ Inspect turbo for oil leaks.
3️⃣ Avoid overfilling engine oil.

⚪ (Coolant or Unburned Fuel Issue)
Cause:
• Thick smoke: Coolant leaking due to:
• Blown head gasket or cracked block/cylinder head
• Thin smoke: Normal cold start condensation
• Continuous smoke: Unburned fuel from bad injectors or timing issues

Solution:
1️⃣ Check for coolant loss and fix leaks.
2️⃣ Replace head gasket or cracked components.
3️⃣ Replace faulty fuel injectors.

🔘 (Oil or Transmission Fluid Burning)
Cause:
• Excessive oil burning due to turbo or PCV valve issues
• Transmission fluid burning from a bad modulator valve
• Poor-quality fuel

Solution:
1️⃣ Replace PCV valve.
2️⃣ Inspect turbo seals for leaks.
3️⃣ For automatics, check modulator valve and ATF level.
4️⃣ Use quality fuel.

⚫ (Rich Fuel Mixture)
Cause:
• Too much fuel due to faulty injectors, clogged air filter, bad MAF sensor, or ECU issues

Solution:
1️⃣ Clean or replace air filter.
2️⃣ Check and replace injectors.
3️⃣ Inspect MAF and oxygen sensors.
4️⃣ Diagnose and reset ECU if needed.

30/04/2025

How to Flush a Radiator: A Simple Guide

Flushing your car’s radiator is key to maintaining a healthy cooling system. Here's a step-by-step guide to help you through the process:

Steps:

1. Allow the Engine to Cool
Wait for the engine to cool completely before starting the flush to avoid burns.

2. Locate the Radiator Drain Valve
Find the drain valve at the bottom of the radiator, usually on one side.

3. Place a Container Beneath the Drain Valve
Position a container to collect the old coolant.

4. Open the Drain Valve
Using pliers, turn the valve counterclockwise and let the coolant drain.

5. Close the Drain Valve
Once drained, close the valve by turning it clockwise.

6. Fill the Radiator with Water
Use a hose or jug to fill the radiator with water until full.

7. Start the Engine
With the radiator cap off, run the engine for a few minutes to flush the system.

8. Drain the Water
Turn off the engine, let it cool, then drain the water out.

9. Close the Drain Valve
After draining, close the valve securely.

10. Refill with Coolant
Pour in the recommended coolant using a funnel to avoid spills.

11. Check Coolant Level
Ensure the coolant is at the right level, topping off if needed.

12. Replace the Radiator Cap
Tighten the cap and start the engine to check for leaks.

Regular radiator flushes will keep your engine running cool and efficient.

30/04/2025

🚘🚗TRIVIA #27: What is this? Only an expert can answer ❗
𝙎𝙝𝙖𝙧𝙚 𝙏𝙝𝙞𝙨 𝙁𝙤𝙧 𝙁𝙪𝙩𝙪𝙧𝙚 𝙍𝙚𝙛𝙚𝙧𝙚𝙣𝙘𝙚

30/04/2025

📌 What is a Pushrod Engine? Parts, Working, Benefits & Warning Signs Explained:

A pushrod is a key component in an internal combustion engine, specifically in overhead valve (OHV) or pushrod engines. It plays a crucial role in transferring motion from the camshaft to the engine’s valves, enabling the intake and exhaust cycles.

---> Parts of a Pushrod System:

1. Camshaft – Has lobes that push the lifter upward.

2. Lifter (Tappet) – Follows the camshaft lobe and transmits motion to the pushrod.

3. Pushrod – A thin metal rod that transfers the lifter’s movement to the rocker arm.

4. Rocker Arm – Pivots on a shaft or stud and presses down on the valve to open it.

5. Valve and Spring – The valve opens when pressed and closes with the help of a spring.

---> Working of a Pushrod:

When the camshaft rotates, its lobes push the lifters upward. The lifters push the pushrods, which then transfer this motion to the rocker arms. The rocker arms pivot and open the intake or exhaust valves. After the lobe rotates away, the valve spring closes the valve, and the pushrod returns to its original position.

---> Advantages:

🔹 Compact design – Fits in smaller engine bays.
🔹 Simpler construction – Fewer parts above the cylinder head.
🔹 Durability – Often robust and long-lasting.
🔹 Low cost – Generally cheaper to manufacture and maintain.

---> Symptoms of a Faulty Pushrod:

⚠️ Tapping or ticking noise from the engine.
⚠️ Poor engine performance or misfiring.
⚠️ Valve not opening/closing properly.
⚠️ Engine vibration or rough idling.
⚠️ Metal shavings in oil (from wear or breakage).

Shakoy TV

16/05/2025

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