CEBU ULTRA Automedic Inc

27/02/2026

👉oil pump Internal parts 👇

27/02/2026

27/02/2026

27/02/2026

27/02/2026

🚗 Ever wonder how your car turns smoothly without skipping or dragging the tires? The secret is in the DIFFERENTIAL! ⚙️

If you are a gearhead or just love understanding how the machines around us work, this 3D diagram is a fantastic breakdown of the mechanics inside your vehicle's drivetrain. A differential is a brilliant piece of engineering that allows your left and right wheels to spin at completely different speeds when you take a corner. Let's break down exactly what we are looking at in this image! 🔧

1️⃣ Where the Power Starts
Power from your car's engine and transmission travels down the propeller shaft (the silver shaft on the bottom left). The green arrows indicate its rotation. Attached directly to the end of this shaft is a smaller green gear called the pinion.

2️⃣ Changing Direction
The pinion's teeth interlock with the massive gold-colored gear known as the crown wheel. Because they are set at an angle, the crown wheel takes the rotational power from the propeller shaft and changes its direction by 90 degrees, sending the power outward toward the wheels instead of straight back.

3️⃣ The Rotating Cage & Inner Gears
Attached to the center of the crown wheel is the red housing labeled as the rotating cage. Inside this cage is where the real magic happens! It houses a set of interlocking gears: the green small gears (often called spider or pinion gears) and the blue large gears (often called side gears).

4️⃣ Powering the Wheels
The blue large gears are directly connected to the inner half shaft and the outer half shaft (the blue rods extending to the left and right). These shafts are what actually deliver power to your wheels to make the car move.

💡 How it Works Together
When you are driving straight down the highway, the entire red cage and the gears inside it rotate as one solid unit, spinning both half shafts at the exact same speed. However, when you turn a corner, the outside wheel has to travel a farther distance than the inside wheel. The green small gears inside the cage begin to spin on their own individual axes. This clever mechanical bypass allows the blue large gears (and therefore your wheels) to rotate independently of each other. This is what prevents your tires from scrubbing or skidding against the pavement during a turn!

27/02/2026

Symptoms of a Bad EGR Valve

The EGR (Exhaust Gas Recirculation) valve helps reduce emissions by sending a small amount of exhaust gas back into the intake system. When the EGR valve becomes clogged with carbon or gets stuck open or closed, engine performance can be affected.

A bad EGR valve often causes rough idling, poor acceleration, and loss of engine power, especially when driving uphill or under load. If the valve is stuck open, the engine may stall, shake, or start hard because too much exhaust gas enters the combustion chamber. If the valve is stuck closed, the engine temperature and combustion pressure may increase, sometimes causing engine knocking and higher emissions.

Other common signs include black smoke from the exhaust, poor fuel economy, and the check engine light turning on. Cleaning or replacing the EGR valve usually restores normal engine operation and improves fuel efficiency.

Dr.mechanics

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