Remanufactured Turbocharger. Porsche 957 / 958 Cayenne 3.0L Diesel  ❭  PAB145873B

Remanufactured Turbocharger.
The Garrett Remanufactured Turbocharger is a professionally remanufactured replacement turbocharger for compatible Porsche applications. It provides a replacement solution for a worn, damaged or failed turbocharger, helping restore the boost pressure and airflow required for correct engine power, torque, acceleration and response.

Fits:

• Porsche 957 Cayenne 3.0L Diesel 2009-10
• Porsche 958 Cayenne V6 3.0L Diesel (245Hp) 2010-11

Diagram Ref No 1

Unlike a basic used turbocharger, a remanufactured unit has undergone a rebuilding and reconditioning process intended to return the assembly to a serviceable specification. Exact remanufacturing procedures and supplied components can vary, so any product-specific warranty, testing or exchange/core requirements should be checked separately.  

What This Product Does:
The turbocharger uses energy from the engine's exhaust gases to increase the quantity and pressure of air entering the engine.

Exhaust gases spin a turbine wheel inside the turbocharger. This turbine is connected by a shaft to a compressor wheel on the intake side. As the compressor rotates, it draws in and compresses fresh air before supplying it to the engine under boost pressure.

Correct turbocharger operation helps:

• Generate the required boost pressure
• Increase intake airflow
• Produce the intended engine power and torque
• Maintain strong acceleration
• Support correct throttle response
• Deliver consistent forced-induction performance
• Make effective use of exhaust-gas energy

The turbocharger operates as part of a larger system involving the engine management, lubrication, cooling, intake, intercooler, exhaust and boost-control components.

What Does Remanufactured Mean:
A remanufactured turbocharger is not simply a turbocharger removed from another vehicle and resold as used.

The unit has undergone a remanufacturing process in which it is dismantled, inspected and reconditioned as required before being returned to service.

This makes a remanufactured Garrett turbocharger a practical replacement option when the original unit has reached the end of its usable service life.

The exact components renewed and testing procedures applied depend on the remanufacturing specification for the individual product.

Symptoms Of Wear Or Failure:
Turbocharger deterioration can cause a combination of performance, mechanical and engine-management symptoms.

Common warning signs include:

• Loss of engine power
• Reduced boost pressure
• Delayed boost response
• Poor acceleration
• Inconsistent power delivery
• Engine-management warning light
• Underboost fault codes
• Overboost fault codes
• Limp or reduced-power mode
• Increased engine oil consumption
• Blue or grey exhaust smoke
• Excessive oil in boost or intake pipework
• Unusual whining or siren-like noise
• Grinding or scraping sounds
• Excessive turbocharger shaft play
• Compressor or turbine damage
• Abnormal or fluctuating boost pressure

These symptoms do not always mean the turbocharger itself has failed. Intake leaks, intercooler leaks, sensors, actuators, exhaust restrictions and boost-control faults can produce similar problems.

Accurate diagnosis is therefore important before replacing the turbocharger.

Why Replacement Matters:
A correctly operating turbocharger is essential for maintaining the intended performance of a turbocharged Porsche engine.

Replacing a confirmed worn, damaged or failed turbocharger helps:

• Restore correct boost pressure
• Restore engine power
• Restore engine torque
• Improve acceleration
• Restore throttle response
• Reduce abnormal turbocharger noise
• Address turbo-related oil leakage
• Restore consistent forced-induction operation
• Support correct engine-management operation
• Reduce the risk of further damage to connected components

A turbocharger with severe bearing, shaft, compressor or turbine damage should not remain in service.

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

PAB145873B

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