SPELAB Instruction 2017-2025 6.6L Duramax L5P EGR Valve Cooler Delete Kit

How to Install 2017-2025 6.6L Duramax L5P EGR Valve Cooler Delete Kit | Step-by-Step Guide

Learn how to install the EGR delete kit on your GMC Chevy 6.6L Duramax for better performance and efficiency.

1. Installation Preparation

Required Tools and Materials

To install the 2017-2025 6.6L Duramax L5P EGR valve cooler delete kit, you'll need specific tools and materials. Essential tools include wrenches, screwdrivers, and pliers. You will also need the diesel delete kit, which includes all necessary components for the EGR delete. Proper preparation with these tools ensures a smoother installation process.

Safety Measures & Vehicle Preparation

Before starting, prioritize safety. Disconnect the vehicle’s battery. Wear safety gloves and goggles. Make sure the engine is cool and the vehicle is securely lifted for better access. Locate the 6.6 Duramax EGR valve before proceeding.

2. Removing the Old EGR Valve Cooler

Step 1: Disconnect Connections

Begin by locating the EGR valve cooler and carefully disconnecting all attached hoses and electrical connections.

Step 2: Remove the EGR Valve Cooler

Once all connections are disconnected, unbolt the cooler from its mounting points and gently lift it out of the engine bay.

Step 3: Clean the Installation Area

After removing the old cooler, thoroughly clean the installation area to ensure the new L5P EGR delete kit will fit properly.

3. Installing the EGR Valve Cooler Delete Kit

Step 1: Install New Components

Begin installing the new L5P EGR delete kit components where the old cooler was located. Use the provided bolts and gaskets to secure the components firmly.

Step 2: Reconnect Hoses and Wires

Reconnect all relevant parts that were disconnected earlier, including hoses and any electrical connections, as per the L5P EGR delete kit instructions.

Step 3: Tighten and Inspect

Once all parts are reconnected, tighten all bolts and fittings to the recommended torque specifications and inspect the installation for proper alignment.

4. System Testing

Pre-Start Checks & Initial Start-Up

Before starting the engine, double-check all connections. Then, start the engine and let it idle, observing for any unusual noises or leaks.

Road Test and Performance Check

Take the vehicle for a short road test to monitor its performance and check for any warning lights on the dashboard.

5. Maintenance and Care

Conduct regular inspections of your EGR delete kit for any signs of wear or leaks. Follow a preventive maintenance schedule (oil changes, filter replacements) to keep your engine running smoothly.

Conclusion

Installing a 2017-2025 6.6L Duramax L5P EGR valve cooler delete kit can significantly enhance your vehicle's performance and reliability. By following this guide, you can ensure a successful installation and enjoy the benefits of a more efficient engine.

See for more installation instructions:

FAQs

Q1: What all is needed to delete a L5P?
A1: You will need an L5P EGR delete kit, basic hand tools, safety equipment, and an engine tuner for reprogramming the engine.
Q2: What are the benefits of deleting L5P?
A2: Deleting an L5P can improve engine performance, increase fuel efficiency, reduce exhaust temperatures, and enhance overall reliability.
Q3: Can you clean an EGR valve on a Duramax diesel?
A3: Yes, you can remove the valve and clean it with a suitable cleaner to remove carbon buildup.
Q4: Will deleting the EGR system void my warranty?
A4: Yes, deleting the EGR system can void your vehicle’s warranty as it involves modifying the emissions control system.
Q5: Are there legal implications to deleting the EGR system?
A5: Yes, deleting the EGR system may violate emissions regulations in certain regions. It's important to check local laws before performing this modification.
SPELAB 2017-2025 L5P Duramax EGR Delete Kit - Visual Guide 1 SPELAB 2017-2025 L5P Duramax EGR Delete Kit - Visual Guide 2 SPELAB 2017-2025 L5P Duramax EGR Delete Kit - Visual Guide 3