There are a number of reasons that can cause the cab of a Volvo VNL to lean, and it is important to identify and address the root cause in order to fix the problem.
One of the most common causes of a leaning cab on a Volvo VNL is a problem with the suspension system. This can include issues such as a failed rear cabin horizontal stabilizer bushing or a flattened or broken steer axle leaf spring. These components play a crucial role in supporting the weight of the vehicle and absorbing shock, and if they are damaged or worn out, it can cause the cab to lean.
Another potential cause of a leaning cab on a Volvo VNL is a problem with the air spring system, if the truck is equipped with one. This can include issues such as a blown air spring on the steer axle. The air spring system plays a crucial role in supporting the weight of the vehicle and providing a smooth ride, and if it is not functioning properly, it can cause the cab to lean.
If the cab of your Volvo VNL semi truck is leaning due to a problem with the suspension system, there are a few potential solutions you can consider.
For a failed rear cabin horizontal stabilizer bushing, one solution is to install an update kit made and sold by Volvo with part number 20727214. This update kit is designed to replace the original horizontal stabilizer bushing with a more durable version, which can help improve the stability and support of the rear cabin. To install the update kit, you will need to remove the old horizontal stabilizer bushing and install the new one in its place. This may require special tools and a certain level of mechanical skill, so it is recommended to have the installation performed by a qualified mechanic if you are not comfortable doing it yourself.
If the cab of your Volvo VNL is leaning due to a flattened or broken steer axle leaf spring, the most effective solution is to replace the leaf spring. This will typically involve removing the old leaf spring and installing a new one in its place. It is important to use a leaf spring that is compatible with your Volvo VNL and meets the manufacturer's specifications. Replacing the leaf spring can be a challenging task, so it is recommended to have it performed by a qualified mechanic if you are not comfortable doing it yourself.
If the cab of your Volvo VNL is leaning due to a blown air spring on the steer axle, the solution is to replace the air spring. This will typically involve removing the old air spring and installing a new one in its place. It is important to use an air spring that is compatible with your Volvo VNL and meets the manufacturer's specifications. Replacing the air spring can be a challenging task, so it is recommended to have it performed by a qualified mechanic if you are not comfortable doing it yourself.
