Volvo cars are known for their durability and reliability, but even the best of vehicles can develop faults over time. One of the most common issues with Volvo cars and SUVs transfer case failure.
A transfer case is a component of an all-wheel-drive or four-wheel-drive system that transfers power from the transmission to the front and rear axles. If the transfer case fails, it can cause serious problems for the vehicle’s performance, safety, and drivability.
Causes of Volvo Transfer Case Failure:
- Wear and Tear: As with any mechanical component, wear and tear over time can cause the transfer case to fail. The gears and bearings inside the transfer case can wear down, leading to a reduction in their efficiency and causing the transfer case to malfunction.
- Overheating: Overheating is a common cause of transfer case failure. If the transfer case fluid is low, or the fluid’s quality is poor, the system can overheat, leading to significant damage. Heat is one of the transfer case’s most significant enemies because it can cause the metal components to expand and contract, leading to damage over time.
- Incorrect Fluids: Different transfer cases require different fluids, and using the wrong fluid can cause the system to malfunction.
- Contamination: Contamination of the transfer case can occur if water, dirt, or debris enters the system. If this happens, it can cause significant damage to the gears and bearings, leading to transfer case failure.
Symptoms of Volvo Transfer Case Failure
- Whining Noise: A whining noise coming from the transfer case is one of the most common symptoms of transfer case failure. This noise is often heard when your car or SUV is accelerating or decelerating.
- Grinding Noise: If you hear a grinding noise when you shift gears, it could indicate that the transfer case is damaged. The noise is often heard when your Volvo is changing from two-wheel drive to four-wheel drive.
- Difficulty Shifting: Difficulty in shifting gears, especially when switching between two-wheel and four-wheel drive, is a sign that the transfer case may be failing. This symptom can indicate that the transfer case’s internal components are damaged, preventing the system from engaging correctly.
- Shuddering: If your Volvo shudders or vibrates when turning, it could be a sign of transfer case problems. This symptom may indicate that the transfer case’s gears or bearings are worn, leading to an uneven transfer of power to the front and rear axles.
- Fluid Leaks: If you notice fluid leaks underneath the vehicle, it could indicate that the transfer case is damaged. Leaks can occur due to wear and tear, overheating, or contamination, and should be addressed promptly to prevent further damage.
Repairing Volvo Transfer Case Failure
The first step in repairing a failing transfer case is often to change the fluid. If the transfer case fluid is low or contaminated, it can lead to overheating and damage to the internal components. Changing the fluid can often improve the system’s performance and prevent further damage.
If the transfer case has sustained significant damage, the bearings and gears may need to be replaced. This is a more involved repair and requires specialized tools and expertise. A professional mechanic can diagnose the issue and recommend the appropriate repairs.
If the damage is extensive, a transfer case rebuild may be necessary. This involves disassembling the transfer case, inspecting all components, and replacing any damaged or worn parts. The transfer case is then reassembled and tested to ensure it is functioning correctly.
It is essential to note that transfer case repair should always be performed by a qualified mechanic with experience working on Volvo cars and SUVs. Attempting to repair the transfer case yourself can lead to further damage and may be dangerous. That’s why we are here to help you!
Heynneman European Will Tackle Any Issues In Your Volvo
At Heynneman European, we have a team 
of highly trained and certified technicians offering a wide range of services, including engine repairs, brake services, transmission repairs, and more. We are the most trusted and experienced European car repair and maintenance service provider serving car owners in Larkspur, Kentfield, Corte, Mill Valley, San Anselmo, Fairfax, and San Rafael, CA. We always strive to provide our clients with exceptional service, quality workmanship, and fair pricing. Call us now to book an appointment or visit us today!
