Alignment problem with inner door handles in Volkswagen Golf Mark V

The inner door handles in the Volkswagen Golf Mark V can get out of alignment due to a design issue that causes rubber stoppers to fall out of the handle assembly into the door. These are easily lost when removing the door trim because of their size. The following shows the fix if you have the [...]

Knocking noise from retaining band on luggage compartment cover

The luggage compartment cover has two retaining bands to hold this up when the rear hatch is lifted. On the end of the retaining bands are round rubber balls that drop when the hatch is closed and keep the string taut. Under certain driving conditions the balls swing and knock against the plastic on the rear [...]

Volkswagen aerial selection control unit / diversity information

Early models of the Mark V had a aerial selection control unit (diversity) under the right front seat to select the strongest signal, in later headunits this function was performed by the headunit itself.  Swapping headunits to or from cars with a diversity unit requires installation or bypassing the diversity unit.

An external diversity box is required [...]

CD changer audio sound quality problems after changing head unit

Poor quality sound on the cd changer input can occur after the headunit has changed from a second generation headunit to a third generation headunit or vise versa. The fix is simple and requires pins 2 and 3 to be swapped on the head unit connector.

Second generation headunits

Multi-pin connector 4, 12-pin, for CD changer control and [...]

Volkswagen Extended Warranty for Center High-Mounted Stoplight on GTI and R32

Volkswagen in the USA have extended the warranty on the high-mounted stoplight on the Golf GTI and R32 to 10 years due to non complaince with regulations that require owners to be able to change bulbs using simple tools. Replacing the high mounted stoplight on the Golf GTI and R32 requires slicing the spoiler from the [...]

Auxiliary input audio sound quality problems after changing head unit

Poor quality sound on the audio input can occur after the headunit has changed from a second generation headunit to a third generation headunit or vise versa. The fix is simple and requires some pins to be swapped on the head unit connector.

Second generation headunits

Multi-pin connector 4, 12-pin, for CD changer control and CD audio input [...]

Upgrading 2nd generation radios (RCD 300, RCD 500) to 3rd generation (RCD 210, RCD 310, RNS 310, RCD 510) power drain issue

VAG 1K0907530S CAN bus gateway

Early build Volkswagen cars can experience a power drain issue after upgrading their 2nd generation headunit from a RCD 300 or RCD 500 to a 3rd generation headunit like the RCD 210, RCD 310, RNS 310 and RCD 510.

The problem is the CAN bus Gateway is too old and an updated [...]

Upgrading 2nd generation radios (RCD 300, RCD 500) to 3rd generation (RCD 210, RCD 310, RNS 310, RNS 510, RCD 510) antenna adapter

3rd generation connection

Upgrading from a 2nd generation radio (RCD 300, RCD 500) to a 3rd generation (RCD 210, RCD 310, RNS 310, RNS 510, RCD 510) requires an antenna/aerial adapter to be fitted. The 2nd generation radios had two seperate connectors for the antenna/aerial connections whereas the 3rd generation still have the two antenna/aerial but [...]

Volkswagen Golf, GTI, Passat, Jetta and Eos Air Conditioner Compressor Failure

Early Air Conditioner compressors manufacturered by Zelex/Valeo and installed in the Golf, Passat, Jetta and Eos until June 2007 have a reasonably good chance of early failure due to a lubrication problem inside the compressor. This causes metal fatigue and eventually the breakage of the compresser shaft which distributes metal particles around the system.

Volkswagen are covering [...]