Expert Buick Envision transmission service in Chicago. Free computer diagnostic, lifetime warranty on rebuilds, all years.
2016β2020: 6T45 or 6T50 6-speed automatic (2.0T or 2.5L) 2021+: 9T50 9-speed automatic (2.0T)
6T-family: SRV sleeve repair first. 9T50: PCM update then valve body if needed.
Dexron VI
1β3 days.
"Honest diagnosis, fair price, and the repair was done right. Chicago Transmission has been my go-to for years. Wouldn't trust anyone else with my car."
"The free diagnostic alone was worth the trip. They found the problem fast, gave me a written estimate, and completed the work on time. Exceptional service."
"Family owned and it shows. They treated my car like it was their own. The lifetime warranty on my rebuild gives me total peace of mind. Highly recommend."
Same GM platform and transmission family. Identical repair procedures.
SRV bore wear in the 6T-family automatic. Our diagnostic will confirm.
1β3 days.
Dexron VI.
Better than the 6-speed in efficiency, similar in long-term reliability with fluid maintenance.
Same-day appointments available. Honest estimates, no surprises. We've been doing this since 1987.