Lusikisiki Morgans Auto Spares

26/02/2026

🚗 How Your Car Stays Cool: The Magic of the Relay! ❄️

Ever wondered how that powerful cooling fan kicks in exactly when your engine gets too hot? It’s not magic—it’s a clever bit of electrical engineering! 🛠️

Check out this simple breakdown of what’s happening under your hood:

🔹 The Relay (The Gatekeeper): This is the star of the show. Cooling fans need a lot of "juice" (amps). If we connected them directly to a small switch, the switch would melt! The relay acts as a bridge, using a tiny signal to control a massive flow of power safely.

🔹 The Temperature Sensor (The Brain): This little guy sits in the engine block. When the coolant temperature hits a certain limit, the sensor completes the circuit, telling the relay: "Hey, it’s getting hot in here—turn on the fan!"

🔹 The Fuse (The Bodyguard): Safety first! The fuse is there to protect your wires. If there’s an electrical surge or a short circuit, the fuse "pops" to prevent a fire.

🔹 The Battery & Ignition: These provide the raw power. The ignition connection ensures the fan doesn't drain your battery while the car is parked and turned off.

The "Click" Moment: When you hear a faint click before your fan starts spinning, that’s the relay closing its internal switch to save your engine from overheating! 🌡️➡️🌀

Knowledge is power—literally! If your car is overheating, a simple R50 relay or a blown fuse is often the hidden culprit.

28/10/2025

🔋🚗 How to Detect a Power Leak & Prevent Battery Drain ⚡🔍
1️⃣ Prepare Your Car: Turn off the engine, remove the key 🔑, lock the doors 🚪, and unplug any unnecessary devices.
2️⃣ Set Up the Multimeter: Switch it to DC current mode ⚡ and select the highest amp range to avoid damaging the device.
3️⃣ Disconnect the Negative Battery Cable: Use a wrench 🔧 to remove the negative cable (usually black ⚫). Make sure it doesn’t touch any metal parts.
4️⃣ Connect the Multimeter: Attach the black (negative) probe to the battery’s negative terminal, and the red (positive) probe to the disconnected cable.
5️⃣ Read the Multimeter: If there's current flow, there's a power leak! 🚨 A normal reading should be under 50 milliamps. Higher readings mean a battery drain issue.
6️⃣ Find the Faulty Circuit: Check the fuses one by one 🔎. When the reading drops, you’ve found the problematic circuit.
7️⃣ Fix the Problem: Look for damaged wires 🔥, loose connections, or faulty parts. Repair or replace as needed.
✅ Solving power leaks protects your battery and keeps your car’s electrical system running smoothly!

06/10/2025

You asked for it, we got it for you, Now at our Lusikisiki outlet!

03/08/2025

These are the Most Common Clutch Failures

1. Clutch Disc Wear
When the clutch disc becomes worn down by friction, the surface that connects the other two components, the pressure plate and the flywheel, becomes defective. This causes the entire clutch system's response time to be slower than normal, as the worn clutch disc is unable to effectively engage the other components. The main symptom of this issue is the car starting and accelerating more slowly than usual, despite the engine revving normally. In such cases, the clutch disc will need to be replaced by a mechanic, who will also need to adjust the other clutch components.

2. Friction Noise during Gear Changes
This problem is common in manual transmission vehicles, especially those with significant mileage. The main symptom is a noticeable friction or grinding noise when changing gears. This can be caused by a variety of clutch-related issues, such as poor clutch adjustment, worn clutch components, or a problem with the hydraulic clutch system. If caught early, the solution may be as simple as adjusting the clutch or lubricating the system. However, more extensive wear may require replacing the clutch disc or other components.

3. Stuck or Unresponsive Clutch Pedal
This issue is often caused by problems with the clutch hydraulic system, particularly a worn-out clutch cylinder. When the clutch pedal becomes stuck or fails to return to its normal position, it indicates a problem with the clutch hydraulic system that will likely require replacement of the clutch cylinder and adjustment of the overall clutch system.

4. Clutch Pressure System Failure
Another common clutch failure is a problem with the clutch pressure system, which can be detected when the vehicle takes longer than normal to catch speed during gear changes. This suggests wear in the clutch components, such as the disc, pressure plate, diaphragm, or clutch housing. In this case, the entire clutch system or the worn parts will need to be replaced, which is a more involved repair.

03/08/2025

A vital component in a car engine: The timing belt and its role in keeping the engine synchronized. The diagram also shows the timing belt pulley, tensioner, idler, crankshaft, and camshafts.

This component needs to be changed every 80-100k kilometers as per manufacturer specification.

24/07/2025

Internal combustion

28/11/2024

21/11/2024

Get your suspension checked before going on long trips

21/11/2024

Beware of the most important reasons for the car not accelerating or its weak traction
Common causes of slow acceleration of the car
Dirty (unclean) mass air flow sensor (MAF), faulty spark plugs, faulty throttle position sensor, clogged catalytic converter, faulty oxygen sensor, clogged air filter, and fuel system malfunction.

1- Clogged air filter
A clogged air filter is the most common reason for a car to feel slow when accelerating because it allows less air to pass through.

2- (Air sensor) The mass air flow sensor, or MAF sensor, is an essential component of the fuel injection system. It is located between the air filter box and the throttle valve. The MAF ensures that the proper amount of fuel and air is mixed in the engine's internal combustion chamber.

The MAF can become dirty or defective as it wears out over time. A bad mass air flow sensor can send incorrect data to the car's internal system, causing it to incorrectly calculate the ideal amount of fuel entering the combustion system.

However, a dirty air flow sensor can be cleaned with a special sensor cleaner, while a faulty one should be replaced immediately.

3- Oxygen sensor malfunction

There are several types of oxygen sensors, but they all serve the same purpose: regulating the air-fuel ratio by determining the amount of oxygen. If the sensor is damaged, the engine will not be able to maintain the proper ratio of fuel and air.

This is another reason why the car feels sluggish when accelerating, or the driver experiences irregular deceleration, or the car loses power completely.

Moreover, poor acceleration may occur if the oxygen sensor is dirty. In such cases, cleaning the oxygen sensor in the car may solve the problem.

A damaged oxygen sensor causes increased fuel consumption in the car

4- Spark plugs

The spark plugs in the car generate the ignition needed to start the engine. A bad spark plug can cause a significant loss in performance and increase fuel consumption.

The cause of the car malfunction and poor acceleration can also be the presence of faulty spark plugs. Driving with faulty spark plugs can have serious consequences, so it should be addressed as a priority.

5- Clogged Catalytic Converter (Environmental Box)

The catalytic converter uses catalysts to convert toxic gases into less harmful gases. As a result, it is an important component of the exhaust system of an internal combustion engine vehicle.

If the catalytic converter is clogged or fails, your vehicle will emit dangerous gases and black smoke. A clogged catalytic converter is one of the most common reasons why a vehicle fails to accelerate when you press the accelerator pedal.

Fuel System Malfunction

Fuel is essential for combustion in a vehicle's engine. However, when the fuel system fails, the engine is not supplied with enough fuel, leading to problems with the vehicle's acceleration.

There are several factors that can cause the fuel delivery method to deplete the fuel supply in a vehicle's engine. These factors include:

6- Fuel Injectors

Fuel injectors regulate the amount of fuel that enters the combustion chamber through the fuel lines. Bad fuel injectors are those that become clogged over time due to fuel contaminants, preventing fuel delivery.

7- Faulty Fuel Pump

The fuel pump transfers fuel from the tank through the fuel lines to the engine. A faulty fuel pump fails to supply fuel to the injectors, causing acceleration problems and, in severe cases, stalling.

04/05/2023

Do you know?

04/05/2023

A better view