Why Is the Transmission So Important?

Why is the Transmission so Important? 

The transmission is an important automobile component. It transfers power from the engine to the driveshaft and the rear wheels or the axle half shaft and front wheels depending on the vehicle. Vehicles have an automatic or manual transmission. In stick shift vehicles, drivers need to control the stick to operate the vehicle. 

How does the transmission work? 

The transmission combines the gearsets with a torque or fluid coupling converter. The torque converter connects the engine to the transmission and uses pressurized fluid to transfer power to the gears. When the vehicle stops the transmission disconnects the engine from the drive wheels.  The transmission gradually runs the engine from stop position to motion with ease until the vehicle takes on a steady speed. 

Manual Transmissions

These have a clutch pedal and a shifter that the driver uses to change gears manually. The driver must know when and which gear to use by controlling the clutch. This transmission involves the flywheel, pressure plate and clutches to connect the engine with the transmission. 

The transmission is connected to the engine via a flywheel, pressure plate and a clutch. Each time a gear has shifted the clutch is pushed. 

Manual transmissions come in various types: 

Dual-Clutch

• Uses two separate clutches for even (2, 4, 6) and odd (1,3,5 and reverse) gears. 
• Common in older and race cars. Today’s cars have automated double transmissions with computer controls that adjust the gear shifting process and ease manual gear changing. 

Unsynchronized

These strong transmissions wereused by trucks in the 1960s. Unsynchronized transmissions also called rock crushers as the drivers grind the gears together getting them to mesh. 

Synchronized/Constant Mesh

The cluster gear, drive gear and mainshaft gears move constantly. The transmission uses pads to slow the gear down. You do not need a double-clutching action in this. 

Automated  

A transmission with computer-controlled shifting and a clutch is also called ATM.  It is a manual transmission used in heavy-duty trucks.

Single-Clutch

A single clutch manual transmission with the shift and clutch is controlled by a computer or electric hydraulic or electrohydraulic. Dual clutches took over these with a capacity to handle more torque. 

Automatic Transmissions

Processing the power, they do not use the clutch and rely on the torque convertor to switch gears. However, most SUVs and trucks use traditional automatic transmissions. The following components make an automatic transmission. 

Direct-shift gearbox: This gearbox has two clutches that disconnect alternatively, provides smooth acceleration and fast shifting. 

Tiptronic: This gearbox allows manual shifting of the automatic transmission, through the shifter or steering wheel controls. If the transmission is outside the parameters, then the computer will not allow the manual mode. 

Hydraulic: The fluid pressure present inside the automatic transmission.

Electric cars

These use Single-gear systems, have compact single-speed transmissions that transfer power to the drive wheel. It can be combined with the motor or bolt-on

CVT Transmissions

A pulley-based continuously variable transmission (CVT) is used in small vehicles with small engines and used in a snow machine. These are also popular in hybrid vehicles. It uses a primary small drive and a secondary large driven clutch connecting the two with a belt or chain.

 

When to replace the transmission?  

Automatic transmissions fail between 80,000 and 150,000 miles. 

Manual transmissions can fail sooner at 80,000 miles.

• Problems in shifting gears and your vehicle jerks or shakes
• Strange sounds coming from your engine when you shift gears.
• Excessive friction causes the transmission fluid to burn.
• Blot fluid on a paper towel to check leakage.
• Transmission fluid has a reddish or orange color, dark reddish or dark orange suggests dirt buildup.

Why should you buy a used transmission? 

• Used transmission on sale is 80% cheaper than original transmission.
• You can find a transmission that is identical to a new one.

When to Contact Big Mouth Direct?

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