Transmission History by Year - Buick Encore
2013 - 2019: 6T30 6-speed automatic (1.4T 4-cyl) 2020+: CVT or 9T50 9-speed (Encore GX)
Expert Buick Encore transmission service in Chicago. Free computer diagnostic, 2-year / 24,000-mile warranty on rebuilds, all years.
We will contact you as soon as a service member is available by call, text, or email.
2013 - 2019: 6T30 6-speed automatic (1.4T 4-cyl) 2020+: CVT or 9T50 9-speed (Encore GX)
6T30: Sonnax sleeve repair if bore wear is confirmed. Full rebuild if clutch packs are burned from pressure loss. 9T50: PCM update first.
Dexron VI
Verify exact spec on the dipstick label or owner's manual before fill. Recommended change interval: every 60,000 miles for normal driving, 30,000 miles under severe service (towing, stop-and-go, hot climates). Pan service typically takes 6 - 8 quarts; a full fluid exchange takes 10 - 14 quarts depending on cooler-line capacity.
1 - 2 days.
Fluid service and inspection complete the same day. Solenoid or sensor replacement: 1 day. Torque converter or seal repair: 2 - 3 days. Full rebuild with road test: 4 - 6 days. Time estimates assume parts in stock - call (312) 626-8759 to verify availability for your specific vehicle.
Every vehicle needs diagnosis before anyone can promise a repair path. These are the situations we help organize before you decide what to do next.
Tell us when it happens, whether reverse still works, and if warning lights are on. A scan and fluid check come before guessing at a rebuild.
Fluid condition, leak location, and driving distance matter. If the vehicle is slipping badly or overheating, towing may be the safer next step.
A failed solenoid, valve body, converter, or internal clutch problem can lead to very different repair paths. The goal is a clear diagnosis and written estimate.
No - harsh 1-2 shifts on the 6T30 are valve body bore wear. P0751 confirms it. Catch it early for a less expensive repair.
Different platform - Encore GX uses the 9T50 9-speed. Same GM family, different unit.
1 - 2 days for most repairs.
Dexron VI - change every 45,000 miles.
The 1.4T/6T30 combination is adequate for daily use. The transmission is the weakest link - fluid changes matter.
Same-day appointments available. Honest estimates, no surprises. We've been doing this since 1987.
