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Monthly Archives: May 2018

Dual Clutch Transmission

The main disadvantage of having a dual clutch transmission in your car is the price. Replacing this type of system requires skill. It is a complicated clutch kit system that needs electronic and mechanical knowledge.

The dual clutch transmission is also known as a semi-automatic transmission. This transmission provides the functionality of two manual transmissions in one. Once the driver changes from one gear to another gear in a regular stick shift car, the first thing that should be done is to press the clutch pedal. This will disconnect the engine from the gearbox and at the same time, it will disconnect current from the transmission.

The driver uses the stick shift to select a new gear as speed increases and torque decreases, which will involve moving a toothed collar from a gear wheel to another gear wheel which has different sizes. Furthermore, there is a device called the synchronizer that helps match the gears so that there is no grinding. Mechanically, it makes sure that the gears are engaged.

The clutch kit includes a disc or grip pressure plate; although some clutch kits have pilot bushings or pilot bearings. All these items have specific functions that are included in the clutch kit.

The flow of power from the engine to the wheel does not exist in a conventional manual transmission. During gearshifts the power will turn on and off then back on again. This will cause a shift shock or what is called a torque interrupt. Sophisticated electronics and hydraulics control the clutches just like in a standard automatic transmission. Clutches operate individually when using a dual clutch transmission, one will control the odd gears and the other will control the even gears.

Brake Shoe Bonding

Was it squealing? That could be as simple as the pads wearing down. No big deal, right? Was the pedal sticking? That’s a little bit of a bigger issue because that is a sign of a faulty master cylinder. It is safe to say that if they lock up with just a slight bit of pressure, you need to get to mechanic as soon as possible.

Since brakes are one of the most important parts on a car, you need to be cautious if you notice anything strange. If you can’t stop or slow down, how are you going to drive? A typical car has two forms of braking; the primary one, which is your pedal, is used when the car is running and on the road. While the secondary one is usually referred to as the emergency or parking brake and is used to keep the car stationary, or in case of an emergency. It is important to perform routine check-ups and service your vehicle regularly to avoid having to use your emergency brake.

Assuming your car has drums as opposed to discs, you may need to add shoes to your brake repair to-do list. The shoe is typically used because it has the quickest response time when stopping. It sits inside the drum in front of your hydraulic slave cylinder and is an essential factor into getting your car to stop. It is made with heat resistant metals like zinc and has rubber shavings to reduce excess noise. Whereas, if you had disc brakes, the callipers and pads are what’s controlling the stopping motion of your car.

With brakes being the number one most replaced item on a car, it is definitely a good idea to have some understanding about them and their critical role in your everyday commute.

Brake Pad Replacement

The first sign that the callipers need to be replaced is how your vehicle reacts. In some cases, the car will struggle to maintain speed and a potent smell can be noticed if the parts are burnt out. Unfortunately, you will not be able to check the brakes because they will be so hot from the friction caused by braking. This process has to be done immediately to avoid having to replace the rotors as well. Dragging callipers will score and scratch the rotor surface causing it to become worn down and damaged. In this case you will either have to machine the part or replace it completely.

For the mechanic to reach the callipers, they will have to loosen the lug nuts and remove the wheel. If rubber line screws are attached, they will have to remove the rubber brake line at the far end first. Once the component is out, the brake pads will have to be removed. At this point, the mechanic is constructing the calliper to be a component on its own without tampering with the rest of the system. This includes the seals within the component and the piston that contains the hydraulic fluid.

In most cases, the reason why the calliper drags is due to serious corrosion that occurs over time. Grits and rough surfaces will have to be polished down for a smooth surface. Remember that the calliper has to be functioning at all times. Any roughness and corrosion will compromise the fluid from making this clamping motion.

Replace a Power Window Regulator and Motor Assembly

The list of tools recommended to replace a power window regulator are as follows: Drilling tool and bits, painters tape, silicone spray, hex key magnetic, wrench, screwdriver, razor knife, white lithium grease, zip tie, magnet, plastic pry tool, socket wrench and sockets, gloves, and safety glasses.

We will review some general information before we get started on the installation directions. The first thing you will want to do is to ensure your working with a clean and dust free area. To begin, use silicone spray to clean the window run channels before installation. You’ll want to use a plastic pry tool rather than a screwdriver to remove the door panel to prevent damage. To avoid damage surface of residue, use painters tape to affix the window. Last, use a magnetic wrench and screwdriver to loosen or tighten the screws, nuts, and bolts.

There are essentially eight steps to replace a window regulator and motor assembly:

  1. Remove door trim
  2. Disconnect wiring
  3. Release connecting hardware
  4. Disconnect harness plug
  5. Install new window regulator
  6. Reconnect power supply
  7. Attach the window glass
  8. Test the window

Let’s go ahead and get started on the fitting. First, remove the interior door trim panel. Be sure to retain the hardware. Gently disconnect the wiring from the components inside the door. If a protective covering exists, remove it by hand when possible. Next, raise or lower the window glass to expose the hardware that connects the window regulator to the window glass. Then, release the connecting hardware, slide the glass up and affix the window in place. Next, disconnect the harness plug for the motor and release the screws to remove the window regulator assembly. Then, install the new window regulator assembly and secure the screws. Reconnect the power supply, raise or lower the window glass to expose the hardware. Attach the window glass in place with the hardware. And lastly, run the window up and down to verify the correct range of movement and operation.