JjJ Mobile Auto Mechanics

JjJ Mobile Auto Mechanics Mobile Mechanic

ATTENTION!!We have been experiencing technical difficulties this past week with our phones. Please note that the issue h...
02/17/2025

ATTENTION!!

We have been experiencing technical difficulties this past week with our phones. Please note that the issue has been resolved and we are ready to take your call!

If you have messaged us this past week, and have NOT received a response, kindly send a follow up message and we will get back with you immediately.

(504) 390-2977 Jace
(504) 429-9950 Janaee

Did you know?🤔Jace doesn’t just work on your cars/trucks. He is also highly experienced and knowledgeable in diagnosing ...
02/10/2025

Did you know?🤔

Jace doesn’t just work on your cars/trucks. He is also highly experienced and knowledgeable in diagnosing and repairing Classics, ATVs, Motorcycles, Commercial Fleets, Big Rigs, Lawn Mowers, Custom Builds, and more! He loves the opportunity to teach and share his knowledge with others, especially the younger generation. Our daughters, neices and nephews know more than me!🤣

He also has a portable welding machine for smaller welding repairs. I swear, this man can do it all. 🧰

Call/Text us today for quotes and availability!
(504)390-2977 or (504)429-9950 📲

As always, stay blessed family❤️

02/08/2025

Types of Car Smoke and Their Causes

1. White Smoke
- Causes: Blown head gasket allowing coolant or water into the pistons.
- Indication: Coolant in the combustion chamber.
- Solution: Inspect and replace the head gasket.

2. Blue Smoke
- Causes: Worn piston rings letting engine oil seep into the combustion chamber.
- Indication: Burning engine oil.
- Solution: Replace the piston rings.

3. Black Smoke
- Causes: Incomplete fuel combustion caused by poor fuel quality, airflow issues, faulty spark plugs, or bad ignition coils.
- Indication: Inefficient fuel burn.
- Solution: Check and replace spark plugs, ignition coils, or fuel injectors.

4. Grey Smoke
- Causes: Oil consumption, faulty PCV valve, transmission fluid leak, or a failing turbocharger.
- Indication: Engine or transmission problem.
- Solution: Inspect and fix the PCV valve, transmission fluid lines, or turbocharger.

02/08/2025

Tightening Sequence of 5 bolts in wheel and other components🔧⚙️

02/08/2025

diagram of an internal combustion engine, specifically highlighting its various components in a disassembled state:
Let's break down the parts and their functions:
Key Components and Functions:
* Cylinder Head Cover (Nắp Mặt Quy-Lát): This covers the top of the cylinder head, sealing in the camshaft(s) and other valve train components.
* O-ring: Provides a seal between the head cover and the cylinder head.
* Rubber Grommets (Vòng Đệm Cao Su): Likely used to dampen vibrations or provide a snug fit for bolts.
* Distributor (Bộ Chia Điện): In older engines, this component distributes the high voltage from the ignition coil to the spark plugs in the correct firing order.
* Distributor O-ring (Giăng Bộ Chia Điện): Seals the distributor where it mounts to the engine.
* Cylinder Head (Mặt Quy-Lát): Sits atop the engine block, containing the combustion chambers, intake and exhaust valves, and ports.
* Cylinder Head Gasket (Ron mặt quy-lát): Seals the joint between the cylinder head and the engine block, preventing coolant and oil leaks.
* Intake Manifold (Bầu Góp Khí Nạp): Directs the air or air/fuel mixture into the cylinder head's intake ports.
* Intake Manifold Gasket (Giảng Làm Kín Bầu Góp Khi Nạp): Seals the intake manifold to the cylinder head.
* Camshaft Pulley (Puli Trục cam): Driven by the timing belt, this pulley rotates the camshaft, which in turn controls the opening and closing of the valves.
* Exhaust Manifold (Bầu Góp Khí Xả): Collects the burnt exhaust gases from the cylinder head's exhaust ports.
* Exhaust Manifold Gasket (Giảng Làm Kín Bầu Góp Khi Xả): Seals the exhaust manifold to the cylinder head.
* Engine Block (Thân Máy): The main body of the engine, housing the cylinders.
* Oil Pan (Các-Te): A reservoir for the engine oil, located at the bottom of the engine.
* Oil Pan Gasket (Giãng Các-Te): Seals the oil pan to the engine block.
* Drain Bolt (Ốc Xả nhớt Các-Te): Used to drain the engine oil during an oil change.
* Crush Washer (Long Đền Ốc Xả Nhót): A soft metal washer that seals the drain bolt.
* Oil Filter (Phin Lọc Dầu): Removes contaminants from the engine oil.
* Water Pump (Bơm Nước): Circulates coolant through the engine to regulate its temperature.
* Water Pump Gasket (Giăng Bơm Nước): Seals the water pump to the engine.
* Timing Belt (Dây Đai): Connects the crankshaft to the camshaft(s), synchronizing their rotation.
* Drive Pulley (Puli Dẫn Động Dây Đai): Likely the crankshaft pulley that drives the timing belt.
Additional Observations:
* Sectioned Engine Block: The engine block is shown as a cutaway, revealing the internal components like the pistons and connecting rods (though not labeled).
* Exploded View: The arrangement of the parts in an exploded view allows for clear visualization of how they fit together.
* Labels in Vietnamese and English: The labels are provided in both Vietnamese and English, making the diagram accessible to a wider audience.
Applications:
This type of diagram is commonly used in:
* Repair Manuals: To aid mechanics in disassembling and reassembling engines.
* Parts Catalogs: To identify and order replacement parts.
* Educational Materials: To teach students about engine operation and design.
Overall, this image provides a valuable visual resource for understanding the complex anatomy of an internal combustion engine. It highlights the numerous components and their specific roles in the engine's operation.

With greetings from the team


02/08/2025

🤔Understanding Engine Oil Viscosities: A Visual Guide

If you've ever wondered about the different types of engine oil and what those strange numbers and letters mean, you're not alone. Engine oil is a vital component of your vehicle, and choosing the right type is crucial for its performance and longevity. In this blog post, we'll break down the basics of engine oil viscosities using a visual guide.

What is Engine Oil Viscosity?

Viscosity refers to the thickness or thinness of a liquid. In the context of engine oil, it's how easily the oil flows at different temperatures. This is important because your engine experiences a wide range of temperatures, from freezing cold on a winter morning to extremely hot under heavy load.

The Numbers in Engine Oil Grades

Engine oil grades are typically expressed as two numbers separated by a "W," such as 5W-30 or 10W-40. Let's break down what these numbers mean:
* The First Number (Before the W): This number indicates the oil's cold-temperature performance. A lower number means the oil flows more easily in cold weather, allowing for quicker lubrication and easier starting.
* The Second Number (After the W): This number represents the oil's high-temperature performance. A higher number means the oil can withstand higher temperatures without breaking down, providing better protection for your engine under heavy load.

The Visual Guide

The image you provided illustrates the concept of viscosity in a clear and concise way. It shows five different engine oil grades: 5W-30, 5W-40, 10W-40, 15W-40, and 20W-50. As you can see, the oil with the lower first number (5W-30) flows more easily at colder temperatures, while the oil with the higher second number (20W-50) maintains its thickness at higher temperatures.

Choosing the Right Engine Oil

The best engine oil for your vehicle will depend on several factors, including:
* Climate: If you live in an area with extreme cold or heat, you'll need to choose an oil that can handle those conditions.
* Driving Conditions: If you frequently drive in stop-and-go traffic or tow heavy loads, you'll need an oil that can withstand high temperatures and prevent oil breakdown.
* Vehicle Manufacturer's Recommendations: Always consult your vehicle's owner's manual for the recommended oil type and viscosity.
By understanding engine oil viscosities and following the recommendations of your vehicle's manufacturer, you can ensure that your engine is properly lubricated and protected, extending its lifespan and improving its performance.

02/08/2025

Check first comment for more details 👇

02/08/2025

Difference between brake system 👌👌

12/04/2024

RADIATOR CAP FAQ:

EVERYTHING YOU NeYed TO KNOW

The radiator cap may seem like a small, insignificant component in the complex system of an automobile, but its role is critical to the overall performance and longevity of a vehicle’s engine. As a part of the cooling system, the radiator cap performs functions far beyond simply sealing the radiator. It is a pressure release valve that controls the engine’s cooling system pressure, helps prevent overheating, and ensures the smooth circulation of coolant. Without a properly functioning radiator cap, even a well-maintained vehicle can suffer from reduced engine performance or, worse, catastrophic engine damage.

For vehicle owners and enthusiasts alike, understanding the radiator cap's functionality is vital. This guide covers everything you need to know about radiator caps, offering insights into their design, working principles, common issues, and the crucial role they play in maintaining engine health. From understanding how the cap helps regulate engine temperature to knowing how to identify and replace a faulty cap, this FAQ will empower you with the knowledge to ensure your vehicle's cooling system operates optimally.

Whether you're a seasoned mechanic, a DIY car owner, or simply looking to become more knowledgeable about your vehicle's components, the following information provides a comprehensive overview of radiator caps, answering the most commonly asked questions and diving deep into the intricate role they play in engine maintenance.

WHAT IS A RADIATOR CAP AND WHAT DOES IT DO?o

A radiator cap is a pressure seal that sits on the radiator’s fill neck. It helps maintain the optimal pressure within the cooling system and ensures the coolant circulates properly. The radiator cap does this by:

✔️: Sealing the System: It prevents air from entering the cooling system, which could reduce cooling efficiency.
✔️- Pressure Regulation: It maintains a specific pressure (usually measured in PSI), allowing the coolant

12/04/2024

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.

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