09G Solenoid Kit 2006-2009, remanufactured and ready to install. Fits the 09G. Ships fast from the USA.
The 2006 through 2009 model years are where most 09G complaints start to show up: a 2.5L Jetta or Rabbit, a 2.0T Passat or a New Beetle that pulls away fine on a cold morning, then thumps on the 3-2 or runs up on the 2-3 once it has been driven twenty minutes. This remanufactured kit replaces the whole electrical side of that valve body. As pictured it is a full eight-piece set: six linear solenoids with their colored connectors, one of them on a noticeably larger can, plus the two small tab-mount on/off solenoids.
Transmission Digest's 09G breakdown, based on Rostra's bench research, explains that four of the six linear solenoids feed clutches and brakes directly through spring-loaded spool valves, one sets line pressure and one controls the converter clutch. Five of the linear units are normally open, so more current means less pressure; the converter clutch unit is the reverse, normally closed and building pressure as current rises. The two on/off solenoids are normally closed and switch on for jobs such as engine braking and lockup. The TCM drives the linear solenoids between about 12 and 60 percent duty cycle, and nearly all of the pressure control happens between 20 and 55 percent. A solenoid that no longer tracks that signal accurately throws off the hand-off between clutches.
Scan the TCM and write down which solenoid or clutch circuit is named. On a 09G, watch commanded duty cycle in live data rather than chasing current draw; Transmission Digest notes that current varies with heat and coil resistance, so duty cycle is the more reliable picture of what the TCM is asking for. Our guide to reading transmission live data walks through that. Sonnax recommends a hot soak test because a plunger that seizes in its bushings only at temperature can pass a cold bench check. If the complaint is a real slip with burnt fluid rather than a flare, see flare vs slip first.
This kit is listed for 09G transmissions built 2006 to 2009. Volkswagen changed the solenoid can size during 2008, so a 2006 or 2007 car and a late 2008 or 2009 car may not carry the same style. Before ordering, drop the pan and measure one linear solenoid can: roughly 1.0 inch is the early large-can style, roughly 0.75 inch is the later slim style. Then compare the connector colors and the two tab-mount solenoids against the photo, or send us your year and VIN and we will check it. If your car turns out to be a slim-can unit, our slim-body 09G kit is the match. Related six-speed parts are on our Aisin transmission page.
| Fits | 09G 2006-2009 |
| Part type | Solenoid Kit |
| Condition | Remanufactured |
| Brand | OEM |
| Ships | From the USA |
| Warranty | 1-year |
A complete set. As pictured it contains eight pieces: six linear solenoids and the two small on/off solenoids with mounting tabs, which is the full 09G complement.
2008 is the year Volkswagen changed solenoid size, so the model year alone does not answer it. Measure a linear solenoid can with the pan off, about 1.0 inch versus about 0.75 inch, and compare connectors to the photo, or send us your VIN.
Sonnax traces this to linear solenoid plungers that start to bind in their bushings above about 85 C. The result is a harsh 3-2 or flared 2-3 hot with normal shifts cold, which is exactly what a fresh solenoid set addresses.
No programming is required, but a VW-capable scan tool lets you clear codes and reset adaptations. Then follow the relearn drive so the TCM adjusts clutch timing to the new solenoids instead of the old worn ones.
A new filter and pan gasket every time, and the internal harness if any connector is cracked or brittle. Use ATF meeting VW G 055 025 for the refill.
