VW 09B Aisin 4-Speed Automatic Transaxle · VW / Audi / Porsche · Expert rebuild service since 1987. Lifetime warranty. Free diagnostic.
2003–2009 VW Touareg (V6 initial), 2004–2008 VW Phaeton (V6), 2003–2009 Porsche Cayenne (V6 base — Aisin variant)
| Configuration | 6-speed automatic AWD transaxle (Aisin AW60-40/50 sourced) |
|---|---|
| Gear Ratios | 1st 3.52:1 · 2nd 1.90:1 · 3rd 1.43:1 · 4th 1.00:1 · 5th 0.83:1 · 6th 0.64:1 · Rev 4.37:1 |
| Fluid Type | VW/Audi G 055 025 A2 ATF (Dexron VI compatible) |
| Fluid Capacity | 8.8 qts total, 4.2 qts service refill |
The Aisin-designed solenoid body wears and causes erratic shifting. Touareg V6 towing applications accelerate solenoid wear.
Symptoms: Erratic shifts, DTC codes, limp mode in Touareg applications
TCC shudder develops from neglected ATF in AWD Touareg applications.
Symptoms: Vibration at 45–65 mph, DTC P0740
Output shaft seal between transmission and transfer case leaks ATF into transfer case on Touareg and Cayenne.
Symptoms: Mixed ATF/transfer fluid, loss of AWD, ATF leak from transfer case area
09B rebuild replaces solenoid body, all clutch packs, torque converter, and all seals. Transfer case output seal replaced. VW-spec ATF used.
VW G 055 025 A2 ATF (Dexron VI compatible) every 40,000 miles. Service transfer case separately from transmission on Touareg and Cayenne.
VW Touareg V6 (early), VW Phaeton V6, and Porsche Cayenne V6 base with Aisin automatic.
A full rebuild ranges $1,900–$2,500 at Chicago Transmission.
VW G 055 025 A2 ATF, which is Dexron VI compatible.
V6 Touareg models typically have the 09B; V8 and V10 models use ZF automatics.
Typically 2–3 business days at Chicago Transmission.
Free diagnostic, written estimate, lifetime warranty. Chicago's 09B (AW60-40/50) rebuild specialists since 1987.
