Toyota AB60F 6-Speed 4WD Automatic · Toyota/Lexus · Expert rebuild service since 1987. Lifetime warranty. Free diagnostic.
2007–2021 Toyota Tundra (4.6L/5.7L V8 4WD); 2007–2021 Toyota Sequoia (4WD); 2007–2021 Lexus LX570 (some years); heavy-duty 4WD full-size truck 6-speed with integral transfer case
| Configuration | 6-speed automatic with integral 4WD transfer — heavy-duty full-size truck |
|---|---|
| Gear Ratios | 1st 3.52:1 · 2nd 2.04:1 · 3rd 1.40:1 · 4th 1.00:1 · 5th 0.71:1 · 6th 0.60:1 · Rev 3.10:1 |
| Fluid Type | Toyota WS ATF (transmission) + Toyota Genuine Transfer Fluid (transfer case) |
| Fluid Capacity | 13.0 qts ATF, 1.5 qts transfer fluid |
The AB60F's integral transfer case chain wears at high mileage, causing noise and eventually poor 4WD engagement.
Symptoms: Chain rattle in transfer case; 4WD engagement clunk; vibration in 4WD mode
Same linear solenoid body failure as A760F.
Symptoms: Harsh shifts; P codes; limp mode
Seal failure between the transmission and transfer case allows ATF and transfer fluid to mix.
Symptoms: Fluid discoloration in both sumps; transfer case noise; transmission shift quality issues
Full disassembly. Transfer case chain replaced if worn. Cross-contamination seals replaced. Solenoid body replaced. All transmission clutch packs replaced. Valve body rebuilt. Full WS soft parts. Both fluids flushed.
Toyota WS every 40,000 miles; transfer fluid every 45,000 miles. Check both fluids at every service — cross-contamination is easier to catch early than after both fluids are compromised.
The AB60F integrates a more complex transfer case with center differential. A760F is the standard 4WD variant; AB60F provides full-time AWD capability in some applications.
Transfer case chain wear is the most common cause of rattle in AB60F applications. Chain replacement resolves it.
Toyota WS ATF for the transmission, Toyota Genuine Transfer Fluid for the transfer case — two different fluids in separate sumps.
$2,400–3,200. 3 days turnaround including transfer case service.
Yes — we service both the transmission and transfer case components.
Free diagnostic, written estimate, lifetime warranty. Chicago's AB60F rebuild specialists since 1987.
