MechaGenix

MechaGenix We are specialised in: -Installation of security systems-Mechanical, electrical and electronic maintenance

Even we change when bad at least let’s see when is the correct time to change
27/03/2026

Even we change when bad at least let’s see when is the correct time to change

Only for mechanics
27/03/2026

Only for mechanics

Car hydraulic brake system To learn more about contact me in box
26/03/2025

Car hydraulic brake system

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Le coolant system To learn more about this contact me inbox
26/03/2025

Le coolant system
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Symptoms of Some Faulty Engine Sensors:Modern vehicles rely on various sensors to monitor and regulate engine performanc...
26/03/2025

Symptoms of Some Faulty Engine Sensors:

Modern vehicles rely on various sensors to monitor and regulate engine performance. When these sensors fail, it can lead to numerous engine problems. Below are the common symptoms of faulty engine sensors:

1. Mass Airflow Sensor (MAF):
• Symptoms: Rough idle, poor fuel economy, hesitation during acceleration, and stalling.
• Cause: Incorrect air-fuel mixture due to a malfunctioning MAF sensor.

2. Oxygen Sensor (O2 Sensor):
• Symptoms: Increased emissions, poor fuel efficiency, rough engine performance, and failed emissions tests.
• Cause: Inaccurate monitoring of exhaust gases, leading to incorrect fuel adjustments.

3. Throttle Position Sensor (TPS):
• Symptoms: Jerky or delayed acceleration, poor fuel economy, and irregular idle speed.
• Cause: The engine control unit (ECU) misinterprets throttle input, causing inconsistent performance.

4. Coolant Temperature Sensor:
• Symptoms: Overheating, poor fuel economy, engine misfires, and difficulty starting.
• Cause: Incorrect temperature readings, causing improper fuel mixture adjustments or triggering fan issues.

5. Crankshaft Position Sensor:
• Symptoms: Engine stalling, difficulty starting, misfires, and engine vibrations.
• Cause: The ECU can’t track engine position accurately, leading to ignition timing problems.

6. Camshaft Position Sensor:
• Symptoms: Hard starting, reduced engine power, poor fuel economy, and engine misfires.
• Cause: Incorrect timing of the fuel injection system and ignition.

7. Knock Sensor:
• Symptoms: Engine pinging (knocking), decreased fuel efficiency, and poor acceleration.
• Cause: Inability to detect engine knock, leading to improper ignition timing.

8. Manifold Absolute Pressure (MAP) Sensor:
• Symptoms: Poor fuel economy, loss of power, hesitation during acceleration, and failed emissions tests.
• Cause: Faulty readings of engine load, causing incorrect fuel delivery and timing.

Regular diagnostics and sensor maintenance can prevent engine performance issues and ensure your vehicle runs smoothly.

It’s all about passion
26/03/2025

It’s all about passion

A little idea of how ignition system works To learn more about this contact me
04/01/2025

A little idea of how ignition system works
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📌 What is a Drum Brake? Parts, Working, and Key Advantages Explained:A drum brake is a braking system commonly used in v...
12/12/2024

📌 What is a Drum Brake? Parts, Working, and Key Advantages Explained:

A drum brake is a braking system commonly used in vehicles. It consists of a drum-shaped housing that rotates with the wheel. When the brakes are applied, brake shoes press against the inner surface of the drum to create friction, slowing or stopping the vehicle.

Parts of a Drum Brake:

1. Brake Drum: The rotating component attached to the wheel.
2. Brake Shoes: Curved friction material that presses against the drum.
3. Wheel Cylinder: Hydraulic cylinder that pushes the brake shoes outward.
4. Return Springs: Pull the brake shoes back after braking.
5. Backing Plate: Supports the brake components and absorbs braking forces.
6. Adjuster Mechanism: Maintains the correct distance between the brake shoes and drum.

Working Principle:

When the brake pedal is pressed, hydraulic fluid flows into the wheel cylinder, pushing the brake shoes outward against the rotating drum. This friction slows the drum and, consequently, the wheel. Once the pedal is released, the return springs retract the shoes to their original position.

Advantages:

1. Cost-effective: Less expensive to manufacture and maintain.
2. Durable: Resistant to wear and tear in heavy braking.
3. Self-energizing: Requires less pedal force due to the shoe-drum interaction.

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Step-by-Step Guide: How to Bleed Your Car’s Brake LinesBleeding your brakes keeps your system efficient and safe. Here’s...
10/12/2024

Step-by-Step Guide: How to Bleed Your Car’s Brake Lines
Bleeding your brakes keeps your system efficient and safe. Here’s how to do it yourself:

1. Lift the Car: Use a jack to raise your car. This ensures easy access to the bleeder screws.

2. Add a Brake Pedal Spacer: Place a piece of lumber (1x4 inches) under the brake pedal. It stops the pedal from sinking too far when bleeding the brakes.

3. Attach a Tube to the Bleeder Bolt: Connect a clear plastic tube (like aquarium tubing) to the bleeder bolt of the wheel farthest from the brake fluid reservoir.

4. Submerge the Tube in Brake Fluid: Place the other end of the tube into a jar with 2–3 inches of clean brake fluid.

5. Press the Brake Pedal: Ask a helper to press and hold the brake pedal. Once they’ve pressed it, they should say “down.”

6. Loosen the Bleeder Bolt: Turn the bolt a quarter turn to the left. Air and old fluid will flow through the tube into the jar.

7. Close the Bolt and Release the Pedal: Tighten the bolt, then ask your helper to release the pedal and call out “up.”

8. Repeat Until Clear Fluid Flows: Keep cycling through the process until fresh, clear brake fluid comes through the tube.

Check and refill the master cylinder reservoir with fresh fluid every 5–6 cycles.

9. Move to the Next Wheel: Repeat the process on all four wheels, working from the furthest to the closest to the reservoir.

Bleeding your brakes may take some patience, but it’s essential for safety. Clear, responsive brakes are worth the effort!
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Faulty hub inspection thenDismantling and reassembling the hubTo learn more contact me
10/12/2024

Faulty hub inspection then
Dismantling and reassembling the hub
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