Duramax 6.6L Premium Turbo Boost Leak Tester - Compatible with DMAX 2017+ L5P Sierra Silverado 2500HD 3500 HD - Fix P0299 Code Restore Torque!
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PULL HARDER, IMPROVE MPG & KEEP YOUR MOTOR HEALTHY --BY ELIMINATING BOOST LEAKS!
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Product Details
- PULL HARDER , IMPROVE MPG & KEEP YOUR MOTOR HEALTHY --BY ELIMINATING BOOST LEAKS! Compatible with the 2017-2022 GM Duramax L5P diesel engine found in the Chevrolet Silverado and GMC Sierra 2500HD and 3500HD trucks. Works with the stock or any aftermarket 4” inlet pipe that is bolted to the turbo inlet.
- Test for leaks easily right at the turbo inlet flange to catch ALL boost leaks. The 5 ft hose & shut-off ball valve makes it easy to fill & control pressure without needing to reach over the motor.
- HOW IT WORKS - Install the tester at the turbo compressor inlet pipe. Clamp it down, and use your shop air compressor to test up to 30 PSI and detect any leaks in the WHOLE charge pipe path that the turbo NORMALLY pressurizes while boosting- including the hot & cold pipes, intercooler CAC, Y bridge, EGR, and all clamped connections with no need to cap off the other end.
- Many Duramax owners don't even know they have a boost leak until it is diagnosed and fixed then feel the real torque their Duramax was supposed to be putting out! The main signs you have a leak are P0299 code, not meeting target boost, lower fuel economy, higher EGT, more smoke, loss of power & torque, poor towing, whistling noises, (as awesome as they sound!) and fluctuations on the boost gauge.
- Engineered and tested in the USA made with premium materials. Machined from solid billet 6061-T6 aluminum end cap with anti-slip grooves and rolled edge to maximize grip and test safely. 30 PSI stainless boost gauge, stainless ball shut off valve and stainless steel 4-spot weld high torque T-bolt Clamp. Continental 5ft extension air hose. M-type compressor fittings.
| Brand Name | Turbo Boost Leak Testers |
| Part Number | DMAX-L5P-4B-CAP-EXT-30P |
| Manufacturer | Turbo Boost Leak Testers |
| Material Type | 3" Aluminum Tester Cap, 4" Silicone hose adapter, PVC Air hose, Stainless Steel Tbolt Clamps and gauge |
| Thread Style | M-type |
| Item Dimensions | 5 x 4 x 5 inches (12.7 x 10.2 x 12.7 cm) |
| Brand | Turbo Boost Leak Testers |
| Material | 3" Aluminum Tester Cap, 4" Silicone hose adapter, PVC Air hose, Stainless Steel Tbolt Clamps and gauge See more |
| Item dimensions L x W x H | 5 x 4 x 5 inches (12.7 x 10.2 x 12.7 cm) |
| Thread Type | M-type |
Who Should Buy?
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Duramax Owners
Ideal for Duramax diesel truck owners needing to diagnose and fix boost leaks efficiently.
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Mechanics & Technicians
Perfect for automotive professionals requiring a reliable tool for turbo boost leak testing.
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DIY Enthusiasts
Great for hobbyists wanting to troubleshoot P0299 codes and maintain vehicle performance at home.
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Non-Duramax Vehicles
Users with vehicles outside the Duramax 6.6L range won't benefit from this specialized tool.
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Basic Users
Individuals without automotive knowledge may struggle to effectively utilize the tester and interpret results.
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Occasional Users
Not suited for users who rarely work on their vehicles as it requires frequent use for efficiency.
Product Description
Customer Questions & Answers
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Question:
What is the Duramax 6.6L Premium Turbo Boost Leak Tester used for?
Answer: The Duramax 6.6L Premium Turbo Boost Leak Tester is designed to detect leaks in the turbocharger system of your DMAX vehicles, specifically those produced after 2017. By pressurizing the intake system, it helps identify any leaks that could cause issues such as decreased performance or the P0299 code. Regular use of this tester ensures your turbo system operates effectively, improving overall vehicle performance. -
Question:
How do I use the Turbo Boost Leak Tester?
Answer: Using the Turbo Boost Leak Tester involves attaching the tool to the intake system of your Duramax engine. You then pressurize the system and listen for hissing sounds or observe for drops in pressure. This process identifies any leaks present. Ensure your engine is cold before starting and follow any provided manual for detailed instructions. It's a straightforward procedure that helps maintain turbo efficiency. -
Question:
Can this tester be used with other vehicles besides Duramax?
Answer: While the Duramax 6.6L Premium Turbo Boost Leak Tester is specifically optimized for DMAX trucks, its design could potentially assist with similar turbocharged diesel engines. However, compatibility with other vehicles is not guaranteed. If you own another model, consult the specifications and requirements of the tester to avoid issues and ensure it will meet your needs effectively. -
Question:
What causes the P0299 code in Duramax engines?
Answer: The P0299 code is triggered when the turbocharger's boost pressure is below the expected range. This can be due to several factors, including leaks in the intake system, faulty sensors, or turbocharger malfunctions. Using the Turbo Boost Leak Tester can help diagnose and address leaks, ensuring optimal performance and restoring the torque output of your engine, which can alleviate the P0299 issue. -
Question:
Is this turbo leak tester compatible with older models of Duramax?
Answer: The Duramax 6.6L Premium Turbo Boost Leak Tester is not designed for pre-2017 models, as it is specifically engineered for the 2017+ L5P Sierra and Silverado 2500HD and 3500 HD. For older models, it's essential to check for a compatible tester that meets the specifications of your vehicle. Using a dedicated tester ensures accurate diagnosis and effective troubleshooting regarding turbo performance. -
Question:
How often should I check for boost leaks?
Answer: It's advisable to check for boost leaks whenever you notice a drop in performance, especially if you’ve experienced turbo issues or recently had maintenance work done. Conducting regular checks, ideally every few months, can help you catch leaks early and maintain engine efficiency. This preventive measure is crucial for car enthusiasts and professionals looking to keep their vehicles in peak condition. -
Question:
What tools do I need in addition to the leak tester?
Answer: In addition to the Duramax Turbo Boost Leak Tester, you may need a few other basic tools for optimal usage. These typically include pressure gauges for monitoring system pressure, a wrench set for securing connections, and possibly a shop compressor to create pressure. Having these tools on hand enhances the testing process, ensuring that you're well-prepared to address any leaks swiftly. -
Question:
Is the tester portable and easy to store?
Answer: The Turbo Boost Leak Tester is designed to be lightweight and portable, making it easy to store in your garage or toolbox. Its compact size ensures that it won’t take up much space, allowing for convenient use whenever needed. Whether you're a DIY enthusiast or a professional mechanic, having a portable leak tester on hand can save you time and improve efficiency during troubleshooting. -
Question:
Where can I buy the Duramax 6.6L Premium Turbo Boost Leak Tester in The Bahamas?
Answer: You can buy the Duramax 6.6L Premium Turbo Boost Leak Tester from Ubuy. Ubuy is a great option for accessing a variety of automotive tools and parts, ensuring that you can find the right products tailored to your vehicle's needs. Explore Ubuy's selection to get your hands on this essential turbo testing tool efficiently.
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Pros
- Easy to use and install
- Helps identify boost leaks
- Compatible with multiple models
- Restores engine performance
- Durable and high-quality materials
Cons
- May require some prior knowledge.
Product Price History
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Features & Benefits
- Compatible with 2017-2022 GM Duramax L5P diesel engines.
- Easily detect boost leaks right at the turbo inlet flange.
- Test up to 30 PSI to check the entire charge pipe path.
- Offers simple installation with durable, premium materials.
- Improves fuel economy and engine performance by fixing leaks.
- Includes all necessary tools: gauge, shut-off valve, and hoses.



