Power windows have become a standard feature in modern vehicles, including luxury cars like the Bentley. The convenience of being able to roll up or down the windows with the press of a button has made manual window cranks a thing of the past. So, Bentley power window failure can be frustrating, especially when it happens in inclement weather conditions.
Power window failure in a Bentley can be caused by several factors, ranging from electrical problems to mechanical failures. Identifying the cause of the failure is the first step toward resolving the problem. Some of the common symptoms of power window failure in a Bentley include windows that won’t roll either way, windows that move slowly, or windows that make strange noises. Fortunately, in most cases, power window failure can be resolved with simple repairs or replacements.
The Most Common Causes of Power Window Failure
Electrical Malfunction
An electrical problem is a common cause of power window failure in Bentley. The electrical system in a car is complex and has various components that can malfunction. When there is an electrical problem, the power window may not work at all, or it may work intermittently. Some of the common electrical problems that can cause power window failure include:
- Blown Fuse: The power windows in a Bentley are protected by a fuse that can blow if there is a power surge or other electrical problem. A blown fuse can prevent the power windows from working altogether.
- Faulty Switch: The power window switch can also malfunction over time. The switch can wear out, become loose, or get damaged. If the switch is faulty, it may not send the correct signal to the window motor, preventing the window from moving up or down.
- Damaged Wiring: The wiring in the power window system can become damaged due to wear and tear, accidents, or other factors. Damaged wiring can prevent the power windows from working correctly.
Window Regulator Failure
The window regulator is responsible for moving the window up and down. The regulator consists of several components, including gears, tracks, and a motor. Over time, the regulator may wear out or become damaged, leading to window failure. Some of the common causes of window regulator failure include:
- Worn Gears: The gears in the regulator can wear out over time, preventing the regulator from functioning correctly.
- Broken Tracks: The regulator moves the window up and down along tracks. If the tracks become damaged or broken, the regulator may not be able to move the window correctly.
Broken Glass
Accidents can cause the window glass to break, making it impossible to roll up or down. If the window glass is broken, it will need to be replaced before the power windows can function correctly again.
Faulty Motor
The power window motor is responsible for moving the window up and down. Over time, the motor can wear out or become damaged, preventing the window from moving correctly. Some causes of power window motor failure include:
- Worn Brushes: The motor brushes can wear out over time, preventing the motor from functioning correctly.
- Burnt-out Motor: The motor can become burnt out due to age, wear, and tear, or other factors. A burnt-out motor will need to be replaced before the power windows can function correctly again.
Tackling Bentley Power Window Failure
The first step in tackling the power window issue is to check the fuse. The fuse protects the electrical system and can blow if there is a power surge or other electrical problem. If the fuse is blown, it needs to be replaced. You may also need to check the switch, motor, and other components listed above.
Bring Your Bentley to Our Experts at Mark Douglas Motorworks
If you are noticing any signs of failure in your Bentley, 
do not wait until it gets worse. Bring your luxury car to our experts at Mark Douglas Motorworks for professional repair and maintenance service. We are known as the go-to repair shop in the Orange County area, including Mission Viejo, Costa Mesa, Lake Forest, Huntington Beach, Irvine, Laguna Hills, and Laguna Niguel, CA. Call to book an appointment with us now!