Does Your GMC or Buick Need a Transmission Repair?

The transmission is part of your Buick that focuses the energy produced by the engine and directs it to the wheels. This energy is controlled using gears and enables your car to always move at the desired speed. The transmission and its components are very tough, but they can still suffer wear or damage. As your Buick dealer, we’d like you to know a few signs that you may need to visit us for a transmission repair.

Signs You Need a Transmission Repair at Your Buick Dealer

Noisy Transmission

The transmission shifts gears, based on your speed, according to the decision of the transmission computer. Most gear shifts, except reverse, drive, and park, happen automatically at predetermined speeds. Gear shifts, however, should be soundless. If you hear strange noises when the gears shift, your transmission has a problem.

One of the first sounds is a slight buzzing noise, which grows louder over time and then gives way to a humming noise. You might also hear a whining noise that gradually rises in tempo. The most common reason for these odd noises is a lack of transmission fluid. These noises could also be a sign of trouble with the torque converter or a broken linkage. We’ll investigate, repair the damaged component, or refill the fluid, and the noises will cease.

Transmission Leak

As we saw above, transmission fluid provides the hydraulic power that allows the gears to shift, and it has a cooling effect on hot transmission components as it passes over them. In addition, this fluid protects all the components from friction damage as it surrounds them in a friction-resistant coating.

A transmission leak is usually due to a worn seal or gasket. The main gasket in the transmission is located underneath the transmission and is known as the transmission pan gasket. Over time this gasket can become worn, and fluid will slowly leak out. If you have a fluid leak, gear shifting will become slower and more difficult. Our technicians will check and replace any worn gaskets we find to plug the ​leak.

Slipping Gears

When a gear is shifted, it should stay in that gear until you or the transmission computer shift it again. Slipping gears is a scary situation when a gear shifts and shortly afterward drops back to the previous gear. The movement is very sudden and can damage gears and gear teeth as the transmission is wrenched into another gear.

 A lack of transmission fluid reduces the hydraulic power available to move the gears, which can cause gears to slip. It could also be caused by a blocked transmission filter that restricts the amount of fluid available or by a fault with the transmission computer. We’ll examine your transmission and fix this problem.

If your transmission isn’t working correctly, visit us right away at Granite Buick GMC in Rapid City, SD.

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