Volkswagen 01M 4-Speed Automatic Transaxle · VW / Audi / Porsche · Expert rebuild service since 1987. Lifetime warranty. Free diagnostic.
1993–2004 VW Golf/Jetta (1.8/2.0), 1993–2002 VW Passat (1.8T early), 1993–2002 Audi A4 (1.8T FWD early)
| Configuration | 4-speed automatic FWD transaxle |
|---|---|
| Gear Ratios | 1st 2.71:1 · 2nd 1.44:1 · 3rd 1.00:1 · 4th 0.74:1 · Rev 2.88:1 |
| Fluid Type | VW/Audi G 052 025 A2 ATF (Esso LT 71141) |
| Fluid Capacity | 6.5 qts total, 3.0 qts service refill |
The 01M valve body solenoids wear and leak internally, causing shift quality issues and delayed engagement. This is the #1 01M failure.
Symptoms: Harsh or delayed 1-2 upshift, engagement bump from Park, DTC P0752 or P0753
The brake band for 2nd and 4th gear engagement loses adjustment and eventually wears through, causing slip under acceleration.
Symptoms: Slip in 2nd gear, RPM flare under acceleration, DTC P0732
The solenoid wiring connector at the transmission case corrodes, causing intermittent solenoid faults and shift quality problems.
Symptoms: Random shift quality issues, DTC codes appearing and disappearing, rough engagement
01M rebuild replaces all solenoids, brake band, all clutch packs, and all seals. Conductor plate connector is replaced. Correct LT 71141 ATF used. Torque converter is serviced.
VW/Audi-spec ATF (Esso LT 71141 or G 052 025 A2) every 40,000 miles. Do not use Dexron — the 01M is incompatible with standard ATF chemistry. Adjust brake band per VW service schedule.
1993–2004 Golf/Jetta 1.8/2.0 and 1993–2002 Passat 1.8T with FWD automatic.
Esso LT 71141 ATF (VW part G 052 025 A2). This is NOT compatible with Dexron.
A full rebuild ranges $1,400–$1,900 at Chicago Transmission.
Valve body solenoid wear or brake band adjustment is the most common cause on 01M units.
Adequate for 4-cylinder applications when maintained with correct LT 71141 fluid.
Free diagnostic, written estimate, lifetime warranty. Chicago's 01M rebuild specialists since 1987.
