- #Volvo s40 how to make turbo spool louder driver#
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To avoid this situation, make sure to have your engine oil changed as recommended by the vehicle manufacture. If your engine oil has not been changed out on schedule, it could damage the VVT solenoid, the VVT chain, and the gear drive. When the engine oil becomes clogged with debris, dirt or other foreign particles, it tends to clog up the passageway from the solenoid to the VVT chain and gear.
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The VVT solenoid works best when the engine oil is clean, free of debris, or has lost some of its lubricity or viscosity. This is more of a cause as opposed to a symptom. Once the mechanic has this initial information, they can begin to resolve the specific issue. In fact, there are literally dozens of individual codes for VVT solenoid issues for every automotive manufacturer.
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The most common light to illuminate when a VVT solenoid is failing is the Check Engine Light.ĭue to the fact that every automotive manufacturer has different codes they utilize, it's critical for a car owner to contact a local ASE Certified mechanic to inspect the car, download the code through the correct diagnostic tool and determine the precise source of the problem.
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Once the code has been generated, it will signal the driver by illuminating a specific zone warning. When one part is beginning to fail, the ECU will store a specific trouble code that will let a mechanic using a scan tool know that a problem exists. Since today's modern cars are controlled by an Engine Control Unit (ECU), virtually all individual components are monitored by the ECU. Here are a few symptoms of a worn out or broken VVT solenoid. In order to reduce the potential of these serious situations occurring, listed below are a few warning signs to be aware of that might indicate a problem with the VVT solenoid. There are several other problems that may occur when a VVT solenoid is wearing out or has broken that may extend to complete engine failure. If the VVT solenoid fails or is blocked, the lack of proper lubrication can cause the timing chain and gear to prematurely wear or break entirely.
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When the VVT solenoid activates, oil is sent to lubricate the variable valve timing chain and gear assembly. Some examples of this include while a vehicle is carrying additional weight, traveling up hills, or when acceleration is expedited through throttle control. This system typically activates when there is a significant load against the engine.
![volvo s40 how to make turbo spool louder volvo s40 how to make turbo spool louder](https://i.ytimg.com/vi/E5o9REPP47E/hqdefault.jpg)
Today, a VVT system can be found in virtually all production vehicles sold throughout the United States.Įach automotive manufacturer has their own unique VVT system, but most of them rely on a fully functional variable valve timing solenoid to control the flow of oil to the VVT system as it is engaged.
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One of the biggest breakthroughs was the development of variable valve timing (VVT), a new system that utilized advanced (for the time) electronic technology to apply variable electronic signals from the ignition system by way of a variable valve timing solenoid. With every new car produced, the "Big Three" learned more about engine performance and how to squeeze every ounce of horsepower out of their engines by manually adjusting valve lash and ignition timing. In the early to mid-1960's, American automotive giants Chrysler, Ford, and General Motors ruled the streets and drag strips across the land.