How to Install a Quaife Sequential Gearbox in a K20 Engine

Upgrading a car’s transmission system can dramatically enhance its performance, and the Quaife Sequential gearbox is a popular choice among enthusiasts for its precision and durability. In this guide, we’ll walk you through the process of installing a Quaife Sequential gearbox in a K20 engine. This upgrade is a significant modification and requires a fair amount of mechanical know-how, so it’s best suited for experienced DIYers or professionals.

Tools and Materials You’ll Need

Before you start the installation, gather the following tools and materials:

– Jack and jack stands
– Socket and wrench set
– Screwdrivers
– Torque wrench
– Pry bar
– Engine hoist
– Quaife Sequential gearbox
– New transmission fluid
– Gasket sealant
– Safety equipment (gloves, safety glasses)

Step 1: Preparation

Safety First

Always work in a well-ventilated area and wear appropriate safety gear. Ensure the car is on a level surface and the parking brake is engaged.

Remove the Old Transmission

Start by disconnecting the battery to prevent any electrical mishaps. Then, drain the transmission fluid and remove the driveshaft and axles.

Support the Engine

Use the engine hoist to support the engine from the top, then remove the engine and transmission mounts.

Step 2: Installation of the Quaife Sequential Gearbox

Aligning the New Gearbox

Carefully align the Quaife Sequential k20 gearbox with the engine. Make sure it’s positioned correctly before attempting to bolt it on.

Bolt On the New Gearbox

Use the provided bolts to secure the Quaife Sequential gearbox to the engine. Make sure to torque the bolts to the manufacturer’s specifications to ensure a proper fit.

Reinstall Engine and Transmission Mounts

Once the gearbox is securely bolted in place, reinstall the engine and transmission mounts. Again, torque all bolts to the manufacturer’s specifications.

Step 3: Reconnect Driveshaft and Axles

Driveshaft Installation

Reconnect the driveshaft to the gearbox. Make sure to align the driveshaft properly and use new bolts to secure it.

Axle Installation

Reinstall the axles, making sure they are properly seated and secured with new bolts.

Step 4: Fill with Transmission Fluid

Choosing the Right Fluid

Select the appropriate transmission fluid for your Quaife Sequential gearbox and fill it to the recommended level.

Checking for Leaks

Start the engine and let it run for a few minutes. Check for any leaks and tighten any connections if necessary.

Step 5: Test Drive and Adjustment

Test Drive

Take the car for a test drive to ensure everything is working correctly. Pay attention to gear shifting, clutch engagement, and any unusual noises.

Adjustment

If you encounter any issues during the test drive, you may need to make some adjustments to the gearbox. Consult the Quaife Sequential gearbox’s manual for troubleshooting and adjustment procedures.

Step 6: Final Checks and Cleanup

Tighten All Bolts

After the test drive and adjustments, double-check all the bolts and connections to ensure everything is tight and secure.

Cleanup

Clean up your workspace and properly dispose of any old fluids and materials.

Conclusion

Installing a Quaife Sequential gearbox in a K20 engine is a complex but rewarding project that can significantly improve your car’s performance. While the process requires a good understanding of automotive mechanics, following these steps carefully can help you successfully complete the installation. Always refer to the manufacturer’s instructions and consult with professionals if you’re unsure about any step of the process.

Remember, safety should always be your top priority. If you’re not comfortable performing the installation yourself, it’s best to seek professional help to ensure the job is done correctly and safely. With the right tools, materials, and know-how, you can enjoy the enhanced performance and driving experience that come with a Quaife Sequential gearbox in your K20 engine.

Click here for more info: Acura Integra B-Series