![]() Once you have found it, use bungee cables to clear the area of any wires or harnesses. You will be able to see the connector that lies at the exposed end of the variable valve timing solenoid. If you take the new solenoid and try to locate something that looks similar, things will be easier. It is located near the front of the valve cover, i.e. This assures that they don’t come in contact with each other. Make sure that you keep the cables aside by preferably trying them down with a bungee cord. Disconnecting the Batteryĭisconnect the battery carefully by loosening both the terminals. In both cases, it is pretty easy to undo it. The latter will be either secured with nuts and bolts or snap fastened. If there is an engine cover, go ahead and remove it. Start by raising the hood and keeping it secured so that it stays up. How to replace a variable valve timing solenoid (photo source: Amazon) 1. Variable Valve Timing Solenoid Replacement Process Here are the Things that You’ll Need Solving out Variable valve timing solenoid problems So, follow this maintenance advice and let’s learn how to replace it. Not doing so can cause totally unpleasant results like plummeted engine performance, untimely wear and tear of the engine, and visibly decreased fuel economy. ![]() Once you have diagnosed a problem in the variable valve timing solenoid, it is best that you either get it replace or do it yourself. How to Replace Variable Valve Timing (VVT) Solenoid Now that you know what all symptoms indicate variable valve timing solenoid failure, you must also know that it is imperative to replace a faulty VVT solenoid. If you notice decreased fuel economy, chances are that the variable valve timing sensor or some other part of the VVT system is failing. Any malfunction here can cause wastage of fuel or dip in performance. The function of the VVT is to control the open and shut timing of the valves so as to maximize fuel economy. When this symptom is ignored, it can cause premature wearing out of the engine 4. It is primarily because the engine’s RPM fluctuates as the VVT starts working. This very phenomenon manifests itself in the rough idling of the engine. The passing of additional oil to the VVT gears is a possibility if the system is not working properly. If you see dirty engine oil, chances are that the VVT solenoid system is going out of order. This can also cause clogging in the variable valve timing solenoid system, thus also clogging the chain and the gear. When the oil has a lot of impurities, it loses viscosity. ![]() The VVT solenoid system performs the best with clean engine oil. This is one of the variable valve timing solenoid symptoms that are also the cause. They can certainly help you diagnose the problem and reset the check engine lights. If this happens, you must contact your car service provider and have an ASE certified mechanic check it. Variable valve timing solenoid failure due to engine light So, in case of an impending variable valve timing solenoid failure, it is due to war you with check engine light. ![]() It can, in fact, practically monitor all the individual parts of the car. This is the thing about modern cars that the ECU or engine control unit starts to warn you as soon as it finds some problem in the engine.
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