This guide will walk you through installing the SPETUNER EGR Delete Kit for the 2013-2018 Dodge Ram 6.7L Cummins. By following these instructions step-by-step, you'll be able to maximize your truck’s performance. Remember, before beginning any modifications, make sure you’re aware of the relevant legal guidelines for your area.
Important Legal Disclaimer
- Legal Responsibility: Federal and state laws often prohibit removing or tampering with emission-related components for vehicles used on public roads. This includes the EGR system. Installing the 6.7 Cummins EGR Delete Kit could affect your vehicle's compliance with these regulations. Please check local laws to ensure you’re operating within legal limits.
- Warranty Impact: Keep in mind that modifying your EGR system may void the manufacturer’s warranty. By proceeding with the installation, you assume all potential risks and responsibilities.
Tools and Preparation
Tools You’ll Need
l SPETUNER 2013-2018 Dodge Ram 6.7L Cummins
- Assorted wrenches (8mm, 10mm, 14mm, and 15mm)
- Deep socket tools
- Coolant draining and refilling tools
- Electric ratchet (optional but helpful)
- Oil extraction tool (if necessary)
Preparation Steps
- Disconnect the Battery: Disconnect the battery terminals to ensure electrical safety throughout the installation.
- Drain the Coolant: Prepare a container to capture the engine coolant before draining it. Be careful to avoid spills and leaks.
- Ensure a Safe Workspace: Make sure your vehicle is parked on a flat, stable surface. Use jack stands or ramps if necessary for better access.
Step-by-Step Installation
Step 1: Initial Disassembly
- Disconnect the batteries to cut off the electrical supply.
- Remove the oil dipstick and the plastic engine cover, unscrewing the four 8mm bolts holding it in place.
- Make sure all necessary tools and the 6.7 Cummins EGR Delete Kit components are within easy reach.
Step 2: Removing the EGR Pipe
- Use a deep socket to loosen the clamps on the EGR pipe.
- Remove the 10mm bolt located in the center of the pipe, then take out the crossover pipe.
- Reinstall the 10mm bolt in its original location to maintain the system’s stability.
Step 3: Removing the EGR Valve Assembly
- Unscrew the four 10mm bolts on the EGR housing.
- Disconnect the electrical connection from the EGR valve. Make sure to handle the wires carefully to prevent damage.
- Inspect the EGR valve for any old gaskets or debris, and clean the area if necessary.
Step 4: Installing the EGR Block-Off Plate
- Using the supplied gaskets, install the EGR block-off plate included in the Cummins EGR Delete Kit.
- Secure the block-off plate with the provided bolts, ensuring they are tight to prevent any leaks.
Step 5: Removing the Throttle Valve and Installing New Components
- On the driver's side, below the intake elbow, locate and remove the throttle valve.
- Install the new throttle valve pipe using the bolts provided in the EGR Delete Kit 6.7 Cummins.
- Leave the throttle valve disconnected to avoid accidental closure.
Step 6: Removing the EGR Cooler (Optional)
- If you’re removing the EGR cooler, continue with the following steps:
- Loosen the V-band clamp and remove the two 15mm nuts holding the cooler.
- Carefully take out the EGR cooler, ensuring it remains level to prevent coolant from spilling.
- Remove the two hidden 14mm bolts securing the cooler bracket and prepare for the block-off installation.
Step 7: Installing Coolant Block-Off Components
- Fit the coolant block-off plate supplied in the kit to the coolant pipe fittings. Ensure it is fully seated.
- Apply a small amount of coolant to the O-ring for an easier fit, and tighten the set screws to secure it.
- Check that all clamps are secure, and tighten to avoid coolant leaks.
Step 8: Reconnecting the Coolant System
- Reconnect any disconnected coolant hoses using the supplied hose and clamps from the 6.7 Cummins EGR Delete Kit.
- Apply thread tape or sealant to new coolant fittings to ensure proper sealing and leak prevention.
Step 9: Refilling and Testing the Coolant System
- Refill the coolant to the manufacturer’s recommended specifications.
- Start the engine and let it idle until the coolant circulates fully. Check the coolant level and top off if necessary.
- Inspect all connections for any signs of leaks while the engine is running, making adjustments if needed.
Step 10: Final Check and Reassembly
- Once you’re confident everything is properly installed and secured, replace the plastic engine cover.
- Reconnect the battery and ensure the electrical system is functioning as expected.
- Do a final visual inspection, checking for any loose components or potential leaks.
Pro Tips for a Successful Install
- Take Your Time: Don't rush any steps, particularly when dealing with the coolant system. Proper sealing is crucial to avoid leaks.
- Double-Check Connections: After starting the engine, pay close attention to all fittings and hoses. Catching a leak early can save you time and headaches later.
- Know Your Local Laws: Remember that removing emission-related components may have legal consequences. Make sure you're informed before proceeding.
Conclusion
By following these detailed instructions, you’ve successfully installed the Cummins EGR Delete Kit on your Dodge Ram 6.7L Cummins. This should help optimize your vehicle’s off-road performance and enhance its reliability. Don’t forget to keep a close eye on your coolant levels over the first few days to ensure the system is working flawlessly. Enjoy the enhanced power and efficiency that your EGR delete provides!
FAQs for 6.7 Cummins EGR Delete
Q1: What are the benefits of an EGR delete on a 6.7 Cummins?
A1: An EGR delete on a 6.7 Cummins can improve engine efficiency, increase horsepower, lower exhaust gas temperatures, and potentially improve fuel economy. It can also reduce the risk of soot buildup in the intake system.
Q2: What are the disadvantages of deleting the EGR system?
A2: Deleting the EGR system may void your vehicle's warranty and make it non-compliant with emissions regulations. It can also lead to higher NOx emissions, which may cause environmental concerns and legal issues in certain areas.
Q3: Is an EGR delete recommended for all 6.7 Cummins owners?
A3: An EGR delete is often recommended for off-road or competition vehicles seeking more power and reduced maintenance issues. However, it's not generally recommended for vehicles used on public roads due to emissions laws and potential warranty concerns.
Q4: Does an EGR delete increase horsepower on a 6.7 Cummins?
A4: Yes, removing the EGR system can increase horsepower because it allows the engine to breathe more freely, reducing restrictions that could limit power output.
Q5: Is it bad to delete a 6.7 Cummins EGR system?
A5: Deleting the EGR system can be problematic if the vehicle is driven on public roads, as it may lead to fines for non-compliance with emissions standards. It also requires careful tuning to avoid potential engine issues.
Q6: How long will a 6.7 Cummins last after an EGR delete?
A6: With proper maintenance, a deleted 6.7 Cummins can last just as long as a non-deleted version, if not longer, due to reduced soot buildup. However, longevity depends heavily on how the vehicle is maintained and driven.
Q7: Does an EGR delete affect fuel economy on a 6.7 Cummins?
A7: An EGR delete can improve fuel economy slightly by reducing restrictions in the exhaust system, although the actual impact varies depending on driving habits and other modifications.
Q8: Will an EGR delete void my factory warranty?
A8: Yes, performing an EGR delete will most likely void the manufacturer's warranty, as it involves removing emissions-related components that are covered by the warranty.
Q9: What other modifications are recommended with an EGR delete?
A9: It's often recommended to install a tuner and a DPF delete kit when performing an EGR delete. This allows for proper engine tuning to optimize performance and prevent check engine lights.
Q10: Can an EGR delete cause check engine lights on a 6.7 Cummins?
A10: Yes, an EGR delete can trigger check engine lights unless the vehicle is tuned to adjust for the removal of the EGR system. A specialized tuner can help prevent error codes and maintain optimal performance.