Volvo AW50-42 5-Speed Automatic Transmission (Aisin) · Volvo · Expert rebuild service since 1987. Lifetime warranty. Free diagnostic.
1995–2000 Volvo 850, 1998–2004 Volvo S70/V70, 1998–2004 Volvo C70 (FWD), 2001–2007 Volvo S60/V60 (early FWD)
| Configuration | 5-speed automatic FWD transaxle (Aisin AW sourced) |
|---|---|
| Gear Ratios | 1st 3.59:1 · 2nd 2.19:1 · 3rd 1.41:1 · 4th 1.00:1 · 5th 0.83:1 · Rev 3.16:1 |
| Fluid Type | Volvo ATF (Esso LT 71141 / JWS 3309 spec) |
| Fluid Capacity | 7.5 qts total, 3.5 qts service refill |
The AW50-42 conductor plate corrodes and fails — the same failure mode as Mercedes 722.x units. This causes limp mode and DTCs.
Symptoms: Limp mode, Volvo TCM fault codes, harsh shifts, MIL on
TCC shudder at highway speed from neglected Volvo ATF is very common on high-mileage S70 and V70 units.
Symptoms: Vibration at 45–65 mph, DTC P0740, shudder reduces with fresh Volvo ATF
The overdrive lockout solenoid fails, preventing 5th gear engagement or causing erratic 4-5 shifts.
Symptoms: No 5th gear (overdrive off light illuminated), harsh 4-5 shift, DTC P0760
AW50-42 rebuild replaces conductor plate, all solenoids, all clutch packs, torque converter, and all seals. Volvo ATF (LT 71141 spec) used throughout.
Volvo ATF (Esso LT 71141 / JWS 3309 spec) every 40,000 miles. The AW50-42 is sensitive to fluid quality — conductor plate failure rates drop with regular service.
Volvo 850, S70/V70, C70 FWD, and early S60/V60 FWD models from 1995–2007.
Volvo ATF meeting Esso LT 71141 or JWS 3309 specification.
A full rebuild ranges $1,700–$2,200 at Chicago Transmission.
Yes — TCC shudder is very common on high-mileage AW50-42 units. Try a fresh ATF flush before authorizing a rebuild.
Conductor plate failure is the most common cause of limp mode on AW50-42-equipped Volvos.
Free diagnostic, written estimate, lifetime warranty. Chicago's AW50-42 rebuild specialists since 1987.
