Volkswagen Archives - UnderhoodService
Rein Introduces Water Pump Kit For Audi, VW Models

Engineered to avoid comebacks and provide a long service life, this kit includes an OE belt and all hardware necessary.

VW DSG Transmission: Fluid Maintenance & Service

Most of the drivers who will own a Volkswagen car or truck with a Direct Shift Gearbox (DSG) will not know they have a dual-clutch transmission connected to the engine. Most of them will think they have an automatic that gets excellent gas mileage. It is not until a transmission component fails or a service interval elapses that they learn about DSG.

EGR System Trouble Code Fixes

Testing EGR System Trouble Codes P047A and P047B on Volkswagens with the Tier2 BIN5 TDI 2.0L CBEA Diesel EGR System.

Volkswagen: Identifying And Mixing Factory Fill Engine Coolants

Coolants G11, G12, G12+ and G12++ have been replaced by an improved version. G13 coolant is introduced on all engines.

VW coolants G13
VW & EPA Fiasco Bring Reflashing Into the Spotlight

It was revealed VW cheated on EPA emissions tests by programming 2009-2015 diesel vehicles to recognize test conditions the EPA uses.

Must-Read TPMS Technical Service Bulletins

Here’s a rundown of the top technical service bulletins related to TPMS. These TSBs should be analyzed by every technician that services TPMS. Audi TSB Number: 4413382034445/1 Models: 2010-’14 A4/S4, A5/S5 and Q5 Summary: This TSB addresses TPMS MIL lights that are not related to a loss of pressure. The TPMS light may illuminate if