How to diagnose and replace a turbocharger and intercooler on Volkswagen Passat?

The turbocharger is a delicate device that may be seriously damaged by improper lubrication or introduction of foreign matter into the air intake duct, and the results are usually manifested by a malfunctioning engine, blue/grey smoke in the exhaust, or unusual sounds. In order to diagnose possible problems, check the intake air duct whether it is loose, ruined, in any case there are no obstructions in air intake system and also look at the system vacuum hoses, wiring and electrical connectors whether they are damaged or corroded. Also check that the wastegate actuator connection is not binding and check the exhaust system, lubricating oil supply line and drain back line, and coolant supply line and coolant return line has no damages or blockages. In case of replacement, empty the cooling system, lift the car up and take out the engine compartment cover. Disconnect the air conditioning compressor, without disconnecting the refrigerant hoses and remove the turbocharger support bracket and the air inlet and outlet ducts, oil return pipe and oil supply pipe. Also, detach the vacuum hose to the wastegate actuator, the air filter housing and air filter duct, and loosen the crankcase ventilation hose. Once the turbocharger has been removed, it must be installed in reverse sequence, with all the gaskets, seals and nuts turned over, and the mounting bolts of the turbocharger fitted to the correct torque. Remember to take off the fuel pump fuse before proceeding to start the engine until the pressure of oil develops. In the case of the intercooler, lift the vehicle up, undo the engine compartment undercover, undo the air deflector, and undo the upper and lower air ducts and remove the mounting bolts after which the intercooler can be removed and re installed in the same sequence.

Genuine Volkswagen Passat Turbocharger

Turbo

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Volkswagen Passat Turbocharger Part Number: 06K-145-721-S
$850.89 MSRP: $996.36
You Save: $145.47 (15%)
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Product Specifications
- Other Name: Exhaust Manifold Turbo
- Warranty: This genuine part is guaranteed by Volkswagen's factory warranty.
Fits the following Vehicles:
- 2020-2022 Volkswagen Passat | Limited Edition, R-Line, S, SE, SEL | 4 Cyl 2.0 L GAS
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Volkswagen Passat Exhaust Manifold Part Number: 03L-253-010-J
$1427.39 MSRP: $1671.41
You Save: $244.02 (15%)
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Product Specifications
- Other Name: Exhaust Manifold Turbo; Turbocharger
- Replaces: 03L-253-056-E, 03L-253-056-Q
- Warranty: This genuine part is guaranteed by Volkswagen's factory warranty.
Fits the following Vehicles:
- 2012-2014 Volkswagen Passat | TDI SE, TDI SEL, TDI SEL Premium | 4 Cyl 2.0 L DIESEL
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Volkswagen Passat Turbocharger Part Number: 058-145-703-LX
$1259.92 MSRP: $1472.86
You Save: $212.94 (15%)
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Product Specifications
- Other Name: Turbo
- Warranty: This genuine part is guaranteed by Volkswagen's factory warranty.
Fits the following Vehicles:
- 1998-2001 Volkswagen Passat | GLS | 4 Cyl 1.8 L GAS
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Volkswagen Passat Turbocharger Part Number: 038-145-702-NX
$1738.49 MSRP: $2035.70
You Save: $297.21 (15%)
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Product Specifications
- Other Name: Turbo
- Replaced by: 038-145-702-N
- Replaces: 038-145-702-GX, 038-145-702-JX
- Warranty: This genuine part is guaranteed by Volkswagen's factory warranty.
Fits the following Vehicles:
- 2004-2005 Volkswagen Passat | GL TDI, GLS TDI | 4 Cyl 2.0 L DIESEL
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Volkswagen Passat Turbocharger Part Number: 06A-145-704-LX
$1117.55 MSRP: $1300.00
You Save: $182.45 (15%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Turbo
- Warranty: This genuine part is guaranteed by Volkswagen's factory warranty.
Fits the following Vehicles:
- 1998-2000 Volkswagen Passat | GLS | 4 Cyl 1.8 L GAS
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Volkswagen Passat Exhaust Manifold Part Number: 06K-145-721-P
$1961.14 MSRP: $2296.41
You Save: $335.27 (15%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Exhaust Manifold Turbo; Exhaust Manifold, Turbocharger
- Replaces: 06K-145-721-L
- Warranty: This genuine part is guaranteed by Volkswagen's factory warranty.
Fits the following Vehicles:
- 2014-2021 Volkswagen Passat | Limited Edition, R-Line, S, SE, SE R-Line, SEL, SEL Premium, Sport, Wolfsburg Edition | 4 Cyl 1.8 L GAS, 4 Cyl 2.0 L GAS
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Volkswagen Passat Exhaust Manifold Part Number: 04L-253-020-P
$974.24 MSRP: $1140.80
You Save: $166.56 (15%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Exhaust Manifold Turbo; Exhaust Manifold, Turbocharger
- Warranty: This genuine part is guaranteed by Volkswagen's factory warranty.
Fits the following Vehicles:
- 2015-2017 Volkswagen Passat | R-Line, S, SE, SEL, SEL Premium, TDI SE, TDI SEL Premium | 4 Cyl 1.8 L GAS, 4 Cyl 2.0 L DIESEL, 6 Cyl 3.6 L GAS
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Volkswagen Passat Exhaust Manifold Part Number: 06F-145-701-H
$2494.89 MSRP: $2921.41
You Save: $426.52 (15%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Exhaust Manifold Turbo; Exhaust Manifold
- Replaces: 06F-145-701-F, 06F-145-701-G, 06F-145-701-E
- Warranty: This genuine part is guaranteed by Volkswagen's factory warranty.
Fits the following Vehicles:
- 2006-2008 Volkswagen Passat | 2.0T, Komfort, Lux, Turbo, Value Edition, Wolfsburg Edition | 4 Cyl 2.0 L GAS
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Volkswagen Passat Turbocharger Part Number: 058-145-703-N
$2298.27 MSRP: $2691.19
You Save: $392.92 (15%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Turbo
- Replaces: 058-145-703-J
- Warranty: This genuine part is guaranteed by Volkswagen's factory warranty.
Fits the following Vehicles:
- 2001-2005 Volkswagen Passat | GL, GLS, GLS 4 Motion | 4 Cyl 1.8 L GAS
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Volkswagen Passat Exhaust Manifold Part Number: 06J-145-713-F
$2799.89 MSRP: $3278.56
You Save: $478.67 (15%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Exhaust Manifold Turbo; Exhaust Manifold
- Replaces: 06J-145-713-D, 06J-145-713-A
- Warranty: This genuine part is guaranteed by Volkswagen's factory warranty.
Fits the following Vehicles:
- 2010 Volkswagen Passat | Komfort | 4 Cyl 2.0 L GAS
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Volkswagen Passat Turbocharger Part Number: 028-145-701-JX
$981.57 MSRP: $1142.00
You Save: $160.43 (15%)
ADD TO CART
Product Specifications
- Other Name: Turbo
- Warranty: This genuine part is guaranteed by Volkswagen's factory warranty.
Fits the following Vehicles:
- 1996-1997 Volkswagen Passat | TDI | 4 Cyl 1.9 L DIESEL

Volkswagen Passat Turbocharger

The Volkswagen Passat Turbocharger is an engine-boost device that generates additional compressed air within the combustion chambers by utilizing exhaust power to blow further compressed air into the engine, which provides the midsize sedan with stronger acceleration and improved fuel economy without having to enlarge the engine. An interior turbine driven by hot exhaust spins the counter-reaction compressor wheel, which forces additional fresh air into the chambers and generates boost that increases volumetric efficiency. Since the device draws waste exhaust rather than causing the crankshaft to be depleted by pulling power like a belt-driven supercharger, it provides additional performance with low fuel consumption, which is a priority for Volkswagen models as more stringent economy and emission regulations are in place. The initial models had turbo lag, and subsequent Passat models had twin-scroll channels dividing exhaust pulses to accelerate spool, variable-geometry vanes to redirect gas flow to maintain constant boost, and electrically assisted spooling, which rotates the wheel until boost pressure is achieved. All styles have this in common, that they convert wasted exhaust into useful intake pressure; twin-scroll pays attention to the timing of the pulse, variable geometry provides adjustable vanes, and the E-style also has a small motor, so drivers feel more power delivery and reduced emissions. Combining all these dynamic technologies, Volkswagen maintains the Turbocharger as dependable, smooth, and quiet, and yet offers the enthusiastic experience many owners seek. These refinements imply that the Turbocharger applied to all modern Volkswagen vehicles provides sports car performance with a smaller engine without compromising day-to-day usability.

Choose OEM Turbocharger for superior quality and long-lasting durability. They match the Volkswagen's factory specifications exactly and pass strict quality control. If you plan to replace Turbocharger on your Passat, put OEM at the top of your list. You'll get the right fit, reliable performance, and peace of mind. We stock an extensive inventory of genuine Volkswagen Passat parts. It is easy to find what you need. You will love our competitive prices that help you save. No more hassle with returns or guesswork. Every part includes a warranty straight from the manufacturer. Get trusted quality, strong durability, and real value today.

Volkswagen Passat Turbocharger Parts and Q&A

Turbocharger
038-145-702-NX
Q: How to diagnose and replace a turbocharger and intercooler on Volkswagen Passat?
A:
The turbocharger is a delicate device that may be seriously damaged by improper lubrication or introduction of foreign matter into the air intake duct, and the results are usually manifested by a malfunctioning engine, blue/grey smoke in the exhaust, or unusual sounds. In order to diagnose possible problems, check the intake air duct whether it is loose, ruined, in any case there are no obstructions in air intake system and also look at the system vacuum hoses, wiring and electrical connectors whether they are damaged or corroded. Also check that the wastegate actuator connection is not binding and check the exhaust system, lubricating oil supply line and drain back line, and coolant supply line and coolant return line has no damages or blockages. In case of replacement, empty the cooling system, lift the car up and take out the engine compartment cover. Disconnect the air conditioning compressor, without disconnecting the refrigerant hoses and remove the turbocharger support bracket and the air inlet and outlet ducts, oil return pipe and oil supply pipe. Also, detach the vacuum hose to the wastegate actuator, the air filter housing and air filter duct, and loosen the crankcase ventilation hose. Once the turbocharger has been removed, it must be installed in reverse sequence, with all the gaskets, seals and nuts turned over, and the mounting bolts of the turbocharger fitted to the correct torque. Remember to take off the fuel pump fuse before proceeding to start the engine until the pressure of oil develops. In the case of the intercooler, lift the vehicle up, undo the engine compartment undercover, undo the air deflector, and undo the upper and lower air ducts and remove the mounting bolts after which the intercooler can be removed and re installed in the same sequence.