How to Lock VVT Subaru: A Comprehensive Guide for Subaru Owners

Subaru cars are widely known for their impressive performance, reliability, and advanced features. One of these features is the Variable Valve Timing (VVT) system, which helps improve engine performance and fuel efficiency. However, if you’re an avid Subaru owner, you might want to consider locking the VVT system to increase your car’s overall performance. This guide will provide you with a step-by-step process to lock VVT Subaru, and why it’s essential for your car’s performance.

Key Takeaways

  • Locking the VVT system in your Subaru can increase engine performance and fuel efficiency.
  • You will need a specialized tool to lock the VVT system.
  • It’s crucial to follow the manufacturer’s guidelines when locking the VVT system to prevent damage to your car’s engine.
  • Locking the VVT system may void your car’s warranty, so be sure to consult with your Subaru dealer before making any modifications.

Why Lock VVT Subaru?

Locking the VVT system in your Subaru can improve your car’s overall performance in several ways. Here are a few benefits of locking the VVT Subaru:

  • Increased horsepower: Locking the VVT system can increase the engine’s horsepower output, giving you better acceleration and performance.
  • Smooth power delivery: Locked VVT system provides a more consistent power delivery throughout the RPM range, giving you smoother driving experience.
  • Improved fuel efficiency: Locking the VVT system can improve your car’s fuel efficiency, leading to fewer visits to the gas station and lower fuel costs.
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How to Lock VVT Subaru

Locking the VVT Subaru system is not an easy task, and it requires a specialized tool to do so. Here’s a step-by-step guide on how to lock VVT Subaru:

Step 1: Preparation

Before starting the locking process, make sure that you have the following tools:

  • VVT locking tool kit
  • Ratchet and socket set
  • Torque wrench
  • Hydraulic jack and jack stands

Also, make sure that you have enough space to work on your car, and you have taken all the necessary safety precautions.

Step 2: Remove Engine Cover

The engine cover is held in place by several clips and screws. Use a flathead screwdriver to remove the clips and a socket set to remove the screws. Once you have removed all the clips and screws, lift the cover to expose the engine.

Step 3: Locate the VVT Solenoid Valves

The VVT solenoid valves are located on the cylinder head cover. They are usually located towards the front of the engine. Once you have located the VVT solenoid valves, use a wrench to remove the bolts holding them in place.

Step 4: Install the Locking Tool

Install the locking tool onto the camshaft to prevent it from rotating. The locking tool will hold the camshaft in place while you work on the VVT solenoid valves.

Step 5: Remove the VVT Solenoid Valves

Remove the VVT solenoid valves by pulling them out of the cylinder head cover. Be careful not to damage the valve or its seals.

Step 6: Install the Locking Pins

Install the locking pins into the VVT system to lock the camshaft in place. Make sure that you refer to the manufacturer’s instructions to ensure that you are installing the pins correctly.

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Step 7: Reinstall the VVT Solenoid Valves

Once you have installed the locking pins, reinstall the VVT solenoid valves. Make sure that you tighten the bolts to the manufacturer’s specifications.

Step 8: Remove the Locking Tool

Remove the locking tool from the camshaft. Make sure that you don’t damage the camshaft or its seals.

Step 9: Reinstall Engine Cover

Reinstall the engine cover by following the reverse order of removal. Make sure that you tighten all the screws and clips to their specified torque settings.

Frequently Asked Questions

Is locking the VVT system safe for my car’s engine?

Locking the VVT system is generally safe for your car’s engine, as long as you follow the manufacturer’s instructions and use the correct tools. However, it’s essential to note that locking the VVT system may void your car’s warranty, so be sure to consult with your Subaru dealer before making any modifications.

Can locking the VVT system improve my car’s fuel efficiency?

Yes, locking the VVT system can improve your car’s fuel efficiency by allowing for a more consistent power delivery. This leads to fewer visits to the gas station and lower fuel costs.

Do I need any special tools to lock the VVT system?

Yes, you will need a specialized VVT locking tool kit to lock the VVT system. The kit contains all the tools necessary to lock the VVT system correctly.

Conclusion

Locking the VVT system in your Subaru can significantly improve your car’s performance and fuel efficiency. However, it’s crucial to follow the manufacturer’s instructions and consult with your Subaru dealer before making any modifications. With the right tools and proper preparation, you can successfully lock the VVT Subaru system and enjoy the benefits of increased horsepower, smooth power delivery, and improved fuel efficiency.

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Peter Banks

With years of experience as a professional mechanic and Subaru specialist, Peter is one of the most respected members of our team. He's written several articles on Subaru maintenance and repair, and his advice and tips are always practical and helpful. When he's not working on cars, he enjoys cooking and trying out new recipes.

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