Hybrid Turbo 2.0 TDCI 115 – 1S7Q6K682BH, 704226-5007S hp

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Hybrid
Hybrid Turbo 2.0 TDCI 115 704226-0007, 704226-5007S 1S7Q6K682BH
  • Hybrid Turbo 2.0 TDCI 115 704226-0007, 704226-5007S 1S7Q6K682BH
  • Hybrid Turbo 2.0 TDCI 115 704226-0007, 704226-5007S 1S7Q6K682BH
  • Hybrid Turbo 2.0 TDCI 115 704226-0007, 704226-5007S 1S7Q6K682BH
704226
Year: Not specified
Power: 115 hp
displacement: 2.0
Engine code: Not specified
Gasket kit
Preparation course
Exchange
€390.60 VAT included

325.5 tax excl.

Quantity
Manufacturing time: 15-20 working days

Description

This GT1749V hybrid turbocharger is designed for use with the following engines 2.0, TDCI, 115, hp,.. Its design features a high-flow MFS compressor wheel, a 360° bearing stop and high-speed balancing carried out on a Cimat VSR test bench.

Three levels of preparation are documented.. The internal modifications vary depending on the package chosen, whilst the assembly retains a standard configuration plug & play.

Available tuning packages — Stage 1, Stage 2 and Stage 3

Stage 1
Compressor wheel: MFS high-flow
Bearing thrust: 360°
Balancing: high-speed at 150,000 rpm on a Cimat VSR test bench

Stage 1 focuses primarily on the compressor section. The high-flow MFS impeller is designed to adjust the compression capacity and air flow rate d without any documented housing modifications for at this stage.

Stage 2
Compressor impeller: MFS high-flow oversized
d intake housing: re-profiled for to accommodate the new impeller oversized
Bearing thrust: 360°
Balancing: high-speed at 150,000 rpm on a Cimat VSR test bench

Stage 2 combines a oversized compressor impeller with a d intake housing, re-profiled. This modification enables d the new impeller to be fitted correctly and can alter the d air flow rate as well as the compressor’s performance.

Stage 3
Compressor impeller: MFS high-flow oversized
d'intake housing: re-profiled for to accommodate the new impeller oversized
Bearing thrust ring: 360°
Turbine impeller: high flow oversized
Turbine casing: re-profiled for ly to accommodate the new impeller oversized
Balancing: high-speed at 150,000 rpm on a Cimat VSR test bench

Stage 3 includes documented modifications to the compressor and turbine sides. The resizing of the impellers and the re-profiling of both housings are designed to adapt the gas flow and air flow rate d, with performance that will also depend on the engine configuration.

What is a hybrid turbo?

A hybrid turbo retains an architecture suited to the vehicle whilst incorporating internal modifications. Depending on the upgrade stage, these may involve the compressor wheel, the turbine wheel, the housings, the thrust bearing or the balancing.

The aim is d to adapt the compression capacity and the air flow rate d. However, a hybrid turbo is not defined solely by the appearance of its impeller: the geometry of the components and the overall coherence of the unit are crucial.

MFS compressor wheel: standard or Performance?

MFS stands for ‘Milled From Solid’, meaning a wheel machined from a solid block. This technology primarily describes a manufacturing process and does not, on its own, guarantee an increase in air flow rate d.

A standard MFS impeller may retain a geometry close to the original. A Performance MFS impeller may feature a geometry adapted to the tuning, particularly in terms of its profile, the height or width of its blades, or even its diameter, provided these modifications are documented.

A standard MFS impeller can be just as glossy as an MFS impeller Performance. It is not its appearance that determines its performance, but its geometry and its ability to move more d'air. The impeller described here is made of forged aluminium, lighter, larger and taller than the d'original one; the specifications indicate a 15 per cent higher compression capacity.

Why does the geometry of the blades influence the air flow rate d?

The compressor impeller draws in and then compresses the air sent to the engine. Its diameter, profile, height, width and the arrangement of its blades directly influence its aerodynamic behaviour.

A suitably designed geometry can move more air d under certain conditions, but the result also depends on the casings, the turbine wheel, the boost pressure and the engine tuning. A larger wheel therefore does not automatically guarantee better performance and may alter the response time.

Reliability and balancing of the hybrid turbo

The 360° bearing stop, present on all three documented stages, helps to distribute the axial forces around the shaft. It does not, however, replace d the need for proper lubrication or d correct installation.

The assembly is balanced at high speed, up to 150,000 rpm, on a Cimat VSR test bench. This process aims to limit vibrations and mechanical stresses on the rotor, without compensating for any faults d'installation or d'oil supply.

Engine remapping and preparation

The engine management system must be adapted for to make the most of the characteristics of this hybrid turbo. The wastegate must be adjusted during the ECU reprogramming.

Depending on the level of tuning, the fuel injection, exhaust system, cooling, boost pressure and transmission must also be checked or adjusted. The hybrid turbo alone does not guarantee a power increase without a coherent engine configuration.

Turbo specifications

OEM part number

1S7Q6K682BH

Manufacturer part numbers

704226-0007
704226-5007S
GT1749V

Compatible vehicles and applications

No specific fitment details by make, model, generation or production period are documented in the available information. Compatibility must be confirmed using the original turbo part number d.

Additional technical specifications

Product type: Hybrid Turbo
Turbo model: GT1749V
Engine: 2.0 TDCI
Power: 115 hp
Fitting: configuration plug & play

Fitting instructions

⚠️ WARNING — IMPORTANT BEFORE INSTALLATION

Identify and rectify the cause of the previous fault before d installing the turbo.

dCheck the lubrication system, the oil supply and return lines, and ensure all pipes are clean. Also check the intake for any foreign objects.

Prime the turbocharger in accordance with the applicable recommendations and follow the manufacturer’s instructions.

A lubrication fault that is not rectified may result in the turbocharger failing again.

How do you identify the correct turbo?

Check the part number marked on the original turbo d and compare it with the OEM and manufacturer part numbers in this data sheet. Also check the make, model, generation, body style, engine type, power output at hp, production period and engine code where available.

An identical engine specification does not always guarantee compatibility, as there may be several different set-ups.

⚠️ Check your turbo’s part numbers

Before ordering, compare the part number marked on your original turbo d with the part numbers listed in this data sheet. An identical engine specification does not always guarantee compatibility.

If in doubt, please contact us with the full part number taken from your turbocharger.

Product Details
704226
Hybrid
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Turbo: specialists in turbochargers since 2012

ALFI TURBO specialises in the sale of turbochargers for for cars, commercial vehicles, heavy goods vehicles, construction machinery, agricultural machinery and boats: new turbochargers, remanufactured units, hybrid turbochargers, Cartridge and turbocharger spare parts. Over 20,000 items are available.

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The turbocharger plays a vital role in the operation and performance d of a turbocharged engine. When a turbocharger needs replacing, it is important d to identify the exact part number before ordering.

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Hybrid turbos are designed for set-ups requiring greater air flow d and higher performance potential than a standard set-up. Specifications depend on the turbo, its tuning and the engine configuration.

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How do you identify the correct turbo part number?

A single engine type may have been fitted with several different turbochargers depending on theYear, power output, engine version or technical evolution.. The application alone is therefore not always sufficient for to accurately identify the correct turbo.

Before ordering, note down the part numbers shown on the identification plate d of your old turbocharger. This may be d an OEM part number or d a part number from the turbo manufacturer.

Compare these part numbers with those listed on our product pages.. If in doubt, our team can help you verify the part number you are looking for before you place your order.

Turbo failure: identify the cause before replacement

A loss of power, an unusual whistling noise, oil consumption d, abnormal smoke or poor engine performance may be linked to a turbocharger fault.

However, a fault that appears to be turbo-related may also stem d from a lubrication issue, d from contaminated oil, d from a foreign object, from the intake or exhaust systems, or d from another engine peripheral component.

It is therefore important to investigate the cause of the fault before fitting a new turbo or a new Cartridge.

→ Identifying the symptoms d of a turbo failure

→ Understand the main causes of turbo failure d

ALFI TURBO, specialists in turbochargers since 2012

Since 2012, ALFI TURBO has been assisting private individuals and professionals in identifying and replacing turbochargers.

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BEFORE REPLACING A TURBO

A turbocharger failure may be the result d of another engine problem. Before fitting d a new turbo or Cartridge, identify and rectify the cause of the original fault to d avoid d damaging the new part.

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