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A gearbox is a mechanism that supplies and redistributes power and torque from the engine to the wheel drive shafts.

A manual gearbox is a classic type of gearbox, more reliable and cheaper to repair, so it is often repaired and replaced when diagnostics showed significant damage to the manual transmission.

Automatic gearbox, which shifts automatically. Repairing a box of this type sometimes costs more than replacing it.

There are several types of automatic transmission

  • torque converter
  • variable
  • robotic

Replacing a manual or automatic gearbox is required due to wear of its elements. It can be either natural or premature during the operation of the car.

  Signs of a malfunction that require you to contact a repair shop

  • It is difficult to change gears;
  • Noise while driving
  • Oil leaks detected.
  • The transmissions switch off on their own.
  • There is a burning smell.
  • It is impossible to engage a specific gear or the gearbox has completely lost its functionality.

Replacing a gearbox in a car service looks like this:

  • the power supply system is de-energized
  • the car is lifted on a lift, the internal combustion engine components and interior panels that prevent the dismantling of the gearbox are dismantled
  • the linkage and parts of the clutch assembly are disconnected, the pedal assembly is dismantled, and after the flywheel is removed, the cardan or axle shaft is dismantled
  • the hydraulic pipes of the clutch drive are disconnected and removed, after which the disk with the crown is installed on the crankshaft.
  • Installing a new gearbox is no less serious a process than dismantling it. It requires the master to have extensive experience in carrying out such work, as well as the use of special equipment and tools.

The most difficult stage is the correct installation of the torque converter in the automatic transmission. In addition, the master controls the gaps between the torque converter and the flywheel.

Without going too deeply into technical details, it should be said that the further list of measures depends on the characteristics of the type of transmission, the necessary equipment, engineering solutions required for the installation of components and assemblies, additional spare parts, wiring, etc. The work ends with filling transmission fluids and testing the operation of the gearbox.

How to avoid replacing a gearbox

  • Monitor the transmission oil level; you must remember that overfilling the oil is no less dangerous than underfilling.
  • Keep the radiator clean, as a dirty radiator leads to overheating of the oil and failure of the automatic transmission.
  • Avoid aggressive driving style, sharp acceleration and braking lead to accelerated wear of gearbox elements.
  • Avoid prolonged slippage.
  • Also, in an automatic transmission, you should not switch the transmission to the “Parking” position while driving.

Thanks to these rules, it is possible to save the resource of the unit, replacing the gearbox will not be required, and careful operation of the vehicle will allow the car owner to save a lot of money.


"Transmission replacement" fixes "Internal transmission failure"

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Four common causes for a transmission warning light on the vehicle and their related parts.
This fix will help eliminating

Transmission Light

The transmission light indicates low transmission fluid, probably due to fluid loss, which can cause overheating. Less commonly, it can be internal damage in the transmission system, torque converter, or valve body.

If you notice the transmission warning light on your car's dashboard, paying attention and taking action as soon as possible is essential. This warning signal may indicate that something is not functioning correctly in your vehicle's transmission system, risking further damage if not addressed promptly.

It's essential to handle these issues before they get worse, as ignoring them can lead to costly repairs in the future. We recommend you review your car's symptoms to understand what's happening and possibly discuss it with a technician.

So don't be shy, pay attention to your car's quirks, and check out this article for all the info you need to communicate with your go-to auto shop and advocate for your car's needs.

Learn More about the Symptom
Four common causes for transmission slipping from the vehicle and their related parts.
This fix will help eliminating

Transmission Slipping

The transmission feels like slipping because its fluid level is low. However, in rarer cases, it can be an issue with a worn valve body, a faulty solenoid, a worn clutch, or damage to the transmission module itself.

Whether you drive an automatic or a manual, your vehicle's transmission is critical. If the transmission slips or gets stuck in gear, you lose control of your speed and risk stalling out on the road.

When they work correctly, automatic transmissions shift seamlessly with acceleration or deceleration. However, if you're low on fluid, there is wear on the discs, or if there is some other disturbance, your automatic transmission might get stuck in gear, shift gears at the wrong time, or cause your car to die altogether. All in all, you might end up facing an annoying issue: slipping transmission.

Some transmission problems require simple solutions like a fluid refill or valve replacement. But, regardless of the problem, it's wise to take action. Manual and automatic transmission slipping can worsen as you drive, causing extra damage to the system or putting unnecessary strain on your engine as it cranks through RPMs without generating power.

Learn More about the Symptom

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