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Ready to ShipGT1749V turbochargers have gained popularity in the aftermarket for turbo upgrades on the 1.9 TDI PD engines, which are factory-equipped with small, narrowband turbochargers. The small turbos work well for fuel economy but leave much to be desired in terms of performance. GT1749V turbochargers are wider and more efficient, offering a broader powerband and quicker spool times. They work well for anyone looking to extract more power from the engine without going overboard.
The GT1749V turbocharger is not a one-size-fits-all solution. It has several variants, each with its specific advantages that cater to different performance needs and preferences. The turbochargers differ in trim, cooling, and bearing options and are denoted by a three-digit code that follows the GT1749V designation. For instance, a GT1749V/4 turbocharger is equipped with a 4-series turbine. The various types include:
Although the GT1749V/4, /5, and /6 turbochargers are all variants of the same base GT1749V turbocharger, they differ in the details. The GT1749V/4 has trim levels that make it suitable for standard driving with minor performance upgrades. The turbine and compressor wheel trim sizes in the GT1749V/5 and /6 turbochargers are larger, enabling them to move more air for higher performance.
Below are the specifications of the GT1749V 038253019D turbocharger.
Engine Displacement
Based on the engine's size, the capacity of the GT1749V 038253019D turbocharger to generate power will vary. A larger engine will have a larger turbocharger. The engine's size is measured in liters (L) or cubic centimeters (cc). For instance, a vehicle with a 2.0L turbocharged engine will have a larger turbo than one with a 1.0L engine.
Turbo Type
There are several types of turbochargers, with each being suited for a specific purpose. For example, a GT1749V 038253019D turbocharger is often used in diesel engines to improve their performance.
Trim Size
This is the size of the turbine and compressor wheels in the turbocharger. The GT1749V 038253019D turbocharger has a trim size that is appropriate for the engine's size and performance requirements. Trim size is measured in millimeters (mm).
Wastegate Type
The GT1749V 038253019D turbocharger uses an internal wastegate that controls the flow of exhaust gases through the turbine. This helps to regulate the turbo's speed and maintain optimal boost pressure.
Turbo Boost Pressure
Turbo boost pressure is the amount of pressure the turbocharger forces into the engine's combustion chamber. The GT1749V 038253019D turbocharger generates a boost pressure of 1.5 bar (22 psi) and 2.0 bar (29 psi). This boost pressure helps to increase the engine's power output and improve overall performance.
Turbo A/R Ratio
The GT1749V 038253019D turbocharger has an A/R ratio of 0.5 to 0.7. A lower A/R ratio results in a quicker spool time, while a higher ratio provides more top-end power. The A/R ratio is determined by the turbine and compressor housing's geometry.
Oil & Coolant Lines
The turbocharger requires a continuous flow of oil to lubricate its moving parts. Additionally, the oil lines transport the oil to and from the turbo. Coolant lines also run parallel to the oil lines to keep the turbo cool.
Maintaining the GT1749V 038253019D turbocharger is important because it ensures the longevity of the part and keeps it functioning optimally. Below are the steps to maintain this turbocharger.
Regular Oil Changes
Regular oil changes are important for the turbocharger's health. This is because the oil keeps the moving parts of the turbocharged engine lubricated. The lubrication helps to reduce friction and prevent wear and tear. It also helps to cool the components of the turbo by transferring heat away.
Oil Additives
Using oil with additives specifically made for turbochargers is recommended. These additives can help protect the turbo by reducing friction and preventing wear. The additives can also clean the turbo by removing built-up grime and deposits. In addition, they improve the flow of oil through the turbocharger by making it less viscous.
Check Oil Lines
Regularly inspecting the oil lines of the turbocharger is important. This is because the oil lines transport oil to and from the turbo to keep it lubricated. Any damage or leaks in the oil lines can affect the turbo's performance. The oil lines should be checked for signs of wear, such as cracks or bulges. They should also be inspected for leaks, which can cause oil to leak out and lead to a drop in oil pressure.
Coolant
Like oil, the coolant must also be checked regularly. The coolant helps to keep the turbocharged engine at the right temperature by transferring heat away from the engine. It also prevents the engine from freezing in cold weather. The coolant levels should be checked, and the lines should be inspected for signs of damage or leaks. The quality of the coolant is also important. Over time, the quality of the coolant can degrade, affecting its ability to transfer heat. A flush and replacement may be required to maintain the coolant's effectiveness.
Inspect the Wastegate
The wastegate controls the flow of exhaust gases through the turbine, which regulates the turbo's speed and boost pressure. It should be regularly checked to ensure it functions properly. The wastegate and actuator should be inspected for damage and wear. The wastegate should also be checked to ensure it fully closes when not in use.
Turbo Timer
Turbo timers are devices that allow the turbo to run for a set time after turning off the ignition. This is important because it gives the turbo time to cool down before shutting it off. The timer can be set for a specific duration, allowing the turbo to run for a while after the engine is turned off.
When sourcing GT1749V 038253019D turbochargers, it is important to understand the factors that will determine a successful aftermarket turbo upgrade. Here are a few tips:
Understand the vehicle specifications:
It is important to consider the make, model, and engine specifications of the vehicle intended to use the turbocharger. This is because different vehicles have different power requirements and exhaust flow characteristics. By understanding the vehicle specifications, it is easy to choose a turbocharger that will fit perfectly and maximize performance without causing damage to the engine.
Consider performance goals:
Another important aspect to consider is the performance goals. Decide whether a modest increase in fuel efficiency and power output is desired or if extreme performance is the ultimate goal. Ultimately, the decision has to be made before selecting a turbocharger, as the turbocharger determines the level of power and efficiency.
Research and compare options:
Researching and comparing options is crucial as it helps in finding a turbocharger that balances components, size, and features to meet the needs of the car. Not all turbochargers are built the same; they come in different sizes and with different features that suit different engines. Comparing various options makes it easy to find a turbocharger that will work well with the specific engine.
Check the warranty:
The warranty is an important factor to consider when choosing a turbocharger. In case of manufacturer errors, the warranty will come in handy. Additionally, the warranty gives the buyer peace of mind, knowing that they are covered in case of anything. When checking the warranty, it is also important to adhere to the warranty conditions.
Replacing a GT1749 turbo can be a DIY-friendly process. It is, however, important to have some mechanical knowledge before attempting to replace the turbocharger. Here are some steps for the DIY replacement:
Q1: What is the warranty period for the GT1749V 038253019D turbocharger?
A1: The warranty period for the turbocharger varies depending on the manufacturer and supplier. Normally, it ranges from 6 months to 1 year. Some suppliers on Chovm.com offer an extended warranty for reliable and durable products.
Q2: How can I identify a genuine GT1749V 038253019D turbocharger?
A2: To identify a genuine GT1749V 038253019D turbocharger, look at the documentation and certification provided by the supplier. Also, inspect the quality of the turbocharger. Genuine products have high-quality materials with a smooth surface and accurate dimensions.
Q3: Can I upgrade my existing exhaust system to get better performance from my turbocharger?
A3: Upgrading the exhaust system can improve the performance of the GT1749V 038253019D turbocharger by reducing back pressure and increasing exhaust flow. This allows the turbo to spool faster and deliver more airflow, resulting in better overall performance.
Q4: Can the turbocharger be used on petrol engines?
A4: Yes, the GT1749V 038253019D turbocharger can be used on petrol engines. While it is commonly used on diesel engines, turbochargers can benefit any internal combustion engine by forcing more air into the combustion chamber, leading to increased power output.
Q5: What are the signs of a failing turbocharger?
A5: Common signs of a failing turbocharger include reduced acceleration and power, excessive exhaust smoke, a whining or grinding noise from the turbo, and the check engine light being on. If any of these signs are detected, the turbocharger should be inspected immediately.
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