# Service bulletin TT 21 18 01

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

- Type: Service bulletin
- NHTSA id: 10150857
- Published by NHTSA: 2018\-12\-10
- Manufacturer's number: TT 21 18 01
- Manufacturer's date: 2018\-09\-28
- NHTSA component: ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER; ENGINE AND ENGINE COOLING:ENGINE:OTHER FUEL TYPES:TURBO/SUPERCHARGER; FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS

## NHTSA's summary

Incorrect removal of Turbocharger oil feed line may cause engine damage

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2018/MC-10150857-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2018/MC-10150857-0001.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Engine, Fuel system, Fuel hoses and lines, Turbocharger or supercharger

## Vehicles listed

- 2006 to 2010 VOLKSWAGEN BEETLE
- 2011 VOLKSWAGEN BEETLE
- 2012 to 2014 VOLKSWAGEN BEETLE
- 2012 to 2014 VOLKSWAGEN BEETLE CONVERTIBLE
- 2006 to 2011 VOLKSWAGEN CC
- 2012 VOLKSWAGEN CC
- 2013 VOLKSWAGEN CC
- 2014 to 2017 VOLKSWAGEN CC
- 2006 VOLKSWAGEN EOS
- 2011 to 2016 VOLKSWAGEN EOS
- 2006 VOLKSWAGEN GOLF
- 2007 to 2009 VOLKSWAGEN GOLF
- 2010 to 2018 VOLKSWAGEN GOLF
- 2012 VOLKSWAGEN GOLF R
- 2013 VOLKSWAGEN GOLF R
- 2014 to 2015 VOLKSWAGEN GOLF R
- 2016 to 2018 VOLKSWAGEN GOLF R
- 2013 to 2014 VOLKSWAGEN GOLF SPORTWAGEN
- 2015 to 2018 VOLKSWAGEN GOLF SPORTWAGEN
- 2006 to 2015 VOLKSWAGEN GTI
- 2016 to 2018 VOLKSWAGEN GTI
- 2006 to 2019 VOLKSWAGEN JETTA
- 2010 to 2012 VOLKSWAGEN JETTA SPORTWAGEN
- 2006 to 2018 VOLKSWAGEN PASSAT
- 2009 to 2019 VOLKSWAGEN TIGUAN
- 2006 to 2017 VOLKSWAGEN TOUAREG

## Recalls for the same vehicles and component

- [18V864000](/recalls/nhtsa/18V864000.md), 2018-12-05: FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS
- [10V621000](/recalls/nhtsa/10V621000.md), 2010-12-10: FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS
- [08V035000](/recalls/nhtsa/08V035000.md), 2008-01-28: FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS

## Other bulletins for the same vehicles and component

- [TT901401](/bulletins/10252218.md), 2024-04-01, Service bulletin: ENGINE AND ENGINE COOLING; ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER. Beetle Turbo\-Oil Temperature Gauge Operation
- [VWP1405](/bulletins/10250696.md), 2024-02-26, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER. Turbocharger Limited Warranty Extension
- [211406](/bulletins/10239814.md), 2023-07-31, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER; BACK OVER PREVENTION. Check Engine Light ON, Reduced Performance or Noise from Turbocharger. DTC P0299 may be stored in ECM.
- [211405](/bulletins/10239813.md), 2023-07-31, Service bulletin: BACK OVER PREVENTION; ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER. Check Engine Light ON, Reduced Performance or Noise from Turbocharger. DTC P0299 may be stored in ECM.
- [211402](/bulletins/10239810.md), 2023-07-31, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER; BACK OVER PREVENTION. Check Engine Light ON, Reduced Performance or Noise from Turbocharger. DTC P0299 may be stored in ECM.
- [211401](/bulletins/10239809.md), 2023-07-31, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER; POWER TRAIN. Engine Lacks Performance, Shaft of Turbine Fan of Turbo Charger Broken or Seized
- [TT201302](/bulletins/10238961.md), 2023-07-10, Service bulletin: FUEL SYSTEM, OTHER:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS; EQUIPMENT; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Be aware that fuel lines are color coded on vehicles with return fuel pressure lines. The black line is for fuel pressure supply and the blue line is for fuel pressure return. To verify correct line installation, remove the metal cover exposing the fuel pump flange assembly \(generally under the rear seat\). Refer to the ELSA Repair Manual for specific location. Check for raised arrows on the flange housing. The black line \(Fuel Pressure Supply\) attaches to the connection with the arrow pointing away from it. The blue line \(fuel return\) attaches to the connection with arrow pointing to it.
- [TT200906](/bulletins/10238954.md), 2023-07-10, Service bulletin: FUEL SYSTEM, GASOLINE; ENGINE AND ENGINE COOLING:ENGINE:DIESEL; FUEL SYSTEM, DIESEL; ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER. Use the diagram below to test the N75 Solenoid Valve in the event of a turbocharger fault code such as P0299 or P0234. This applies to Mechanical Injection Style Diesel Engines, Pumpe Duse Style Diesel Engines and the new Common Rail Style Diesel Engines.
- [971403](/bulletins/10238512.md), 2023-07-05, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER; ELECTRICAL SYSTEM:WIRING. Increased resistance at the pins of the T14 connector in the engine wiring harness, causing fault code P0236 Turbocharger Boost Sensor \(A\) Circ. Range Performance.
- [971402](/bulletins/10238511.md), 2023-07-05, Service bulletin: ELECTRICAL SYSTEM:WIRING; ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER. Increased resistance at the pins of the T14 connector in the engine wiring harness, causing fault code P0236 Turbocharger Boost Sensor \(A\) Circ. Range Performance.

JSON: [/v1/bulletins/10150857](/v1/bulletins/10150857)

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