Things You Should Know About the Transmission Valve Body in Your Porsche
By Bavarian Performance Specialists April 23, 2018
Owning a luxury vehicle is a privilege, but one that is not free of duty and obligation. Keeping any car in excellent running condition is a task that all drivers face, but some take more seriously than others. If you own a Porsche, then chances are that you take wonderful care of it already; however, there are certain problems that come up in some Porsche models that you should look out for. Depending on what model you drive, some Porsche vehicles tend to have specific issues with the transmission.
The transmission valve body in your Porsche serves an important function for your car’s performance; in fact, without a proper-working valve body the chances are slim that you’ll be heading out for those leisurely drives—or anywhere for that matter. In this article, we’ll talk more about some things you should know about the transmission valve body in your Porsche and how to recognize the most common symptoms of malfunction.
What is a Transmission Valve Body?
A valve body is responsible for controlling the hydraulic fluid in the transmission, which dictates when, and how the clutch engages and gears shift. Through a complex system of pathways for the hydraulic fluid to travel, the valve body controls where the fluid flows in order to appropriately shift gears. More recent developments in automotive technology have designed this part to be monitored via sensors which allow the car to shift gears smoothly based on wheel speed, brake and throttle positioning, and overall vehicular weight. In other words, there are a lot of opportunities for things to go wrong with the valve body.
A Common Porsche Problem
Every Porsche model has its own set of unique issues that they typically run into, and the Porsche Cayenne is no different. Each year, and with every new model, changes are made to the design and engineering process to address consumer complaints, performance issues, and common repair problems in specific models. The good news is that more recent Cayenne models are seeing fewer problems due to improvements made in the technical design; however the common issue of transmission valve body failure and/or malfunction still exists. It’s important to note, however, that fewer Porsche customers have complained about this issue in recent years.
Symptoms of Failure
The symptoms of transmission valve body failure, specifically in the Porsche Cayenne models, are troubling and can significantly impact your vehicle’s level of performance. For any Porsche driver, this is downright heartbreaking, as plenty of time, money, and effort goes into maintaining these powerhouse cars. In order to save more time and money in steep repair costs due to further damage, it’s best to bring your Porsche to a specialist if you notice any of the following symptoms:
Since the valve body is responsible for allowing your Porsche to smoothly shift from one gear to the next by engaging the clutch properly, you might notice gear slippage when attempting to shift gears. This greatly affects your control and your car’s power.
The valve body makes smooth gear transitions possible, and when the valve body is failing it can cause your Porsche to hesitate before shifting, or it can cause an abrupt shift into the next gear with a violent jolt. This definitely puts a damper on your driving experience, and the added stress can cause damage to the other engine and/or transmission components.
Knocking sounds due to a faulty valve body are usually most apparent when the car is slowing and/or the brakes are being applied. Another situation where a knocking sound might come up is when you put the car into reverse. Knocking sounds are a more passive symptom of a bad valve body, but nonetheless shouldn’t go overlooked, as the problem will likely worsen.
How We Can Help You
We are the Bavarian Performance Specialists, serving clients in Thousand Oaks, Agoura Hills, Westlake, Malibu, and Newbury Park, CA. We operate close to the Pacific coast, where drivers of luxury European imports appreciate the long, winding, beautifully scenic roads of California; this presents us with the unique challenge of being exceptional at what we do, as drivers can’t afford to lose time enjoying the scenery. Transmission valve body issues in Porsches are also quite common in our area due to steady traffic conditions. If you’re experiencing gear shifting issues or would like your Porsche to be checked out before you travel down the coast, please contact us to schedule an appointment.
* Deep Blue Porsche Sport Car image credit goes to: Krasnevsky.