Toyota Tacoma Transmission Repair Chicago

Transmission History by Year — Toyota Tacoma

2005–2015: A960F 5-speed automatic (4WD) or A960E (2WD)
2016–2022: 6-speed automatic (AC60F) — new for 3rd gen
2023+: 8-speed automatic (A83)

Known Toyota Tacoma Transmission Problems

• A960E/F (2005–2015): Overdrive clutch pack wear at 150–200k miles — symptom is slip or no engagement in 5th gear on highway
• 6-speed AC60F (2016–2022): Rear main seal leaks ATF onto clutch packs — caused by excessive crankcase pressure on 3.5L V6. Toyota issued TSB on this
• Manual 6-speed: Rear output shaft bearing noise on high-mileage 4WD Tacomas

Warning Signs — When to Bring It In

• No 5th gear at highway speed — OD clutch wear (2nd gen)
• ATF leak from rear of engine — 3rd gen
• Hunting between gears at highway cruise
• Shudder on 1-2 shift (3rd gen)
• Grinding 3rd gear — manual

Our Repair Process

A960E/F OD clutch: full rebuild recommended since the unit is out — $1,500–2,200. ATF rear seal leak (3rd gen): PCV update and rear seal replacement — Toyota has a fix. 6-speed rebuild if clutch packs are contaminated.

Fluid Specification

All Tacoma AT: Toyota ATF WS Manual: 75W-90 GL-4

Repair Time Estimate

Rebuild: 3–4 days.

A960E/F rebuild: $1,500–2,200
ATF seal and PCV service (3rd gen): $350–550
6-speed rebuild: $1,600–2,400
Call for exact quote.