Aisin TF-80SC 6-Speed Automatic Transmission (Volvo/Ford/Saab) · Volvo · Expert rebuild service since 1987. Lifetime warranty. Free diagnostic.
2006–2016 Volvo XC60/XC70/S60/V60/S80 (6-cylinder FWD/AWD), 2007–2012 Ford Galaxy/S-Max (V6), 2007–2011 Saab 9-3/9-5 (V6), 2007–2014 Land Rover Freelander (V6)
| Configuration | 6-speed automatic FWD/AWD transaxle (Aisin TF-80SC) |
|---|---|
| Gear Ratios | 1st 4.15:1 · 2nd 2.37:1 · 3rd 1.56:1 · 4th 1.15:1 · 5th 0.86:1 · 6th 0.69:1 · Rev 3.13:1 |
| Fluid Type | Volvo ATF (JWS 3309 / Esso LT 71141 spec) |
| Fluid Capacity | 8.0 qts total, 3.8 qts service refill |
The electronic pressure control (EPC) solenoid wears and fails, causing inconsistent line pressure across all gears. This is the #1 TF-80SC repair in Volvo applications.
Symptoms: DTC P0777 or P0778, variable shift firmness, transmission hunting on hills and under load
Individual shift solenoids in the valve body stick from varnish deposits when JWS 3309 is neglected.
Symptoms: Harsh or absent upshifts in specific gears, DTC codes in P0750 range
TCC shudder is common in V6 Volvo XC60 and S80 applications from fluid degradation.
Symptoms: Vibration at 45–65 mph, DTC P0740
TF-80SC rebuild replaces EPC solenoid, all solenoids, all clutch packs, torque converter, and all seals. JWS 3309 spec fluid used.
JWS 3309 / Esso LT 71141 ATF every 40,000 miles. EPC solenoid failure often can be repaired without full rebuild if caught early — have it diagnosed before authorizing teardown.
Volvo XC60/XC70/S60/V60/S80 6-cylinder, Ford Galaxy/S-Max V6, Saab 9-3/9-5 V6, and Land Rover Freelander V6 from 2006–2016.
EPC (electronic pressure control) solenoid failure — it causes inconsistent shift feel and can often be repaired without full rebuild.
A full rebuild ranges $1,900–$2,500 at Chicago Transmission.
JWS 3309 or Esso LT 71141 specification ATF.
Yes — variable shift firmness based on temperature is the classic EPC solenoid failure symptom. Diagnosis will confirm.
Free diagnostic, written estimate, lifetime warranty. Chicago's TF-80SC (AW6A-EL) rebuild specialists since 1987.
