Expert Land Rover Discovery / LR4 transmission service in Chicago. Free computer diagnostic, lifetime warranty on rebuilds, all years.
2005β2009: ZF 6HP26 6-speed (2.7L diesel or 4.0L V6) β LR3 2010β2016: ZF 6HP28 6-speed (3.0L/5.0L V8) β LR4 2017+: ZF 8HP70 8-speed β Discovery 5
6HP mechatronic replacement resolves most issues. Flex plate: standalone repair. 8HP: valve body or rebuild.
ZF Lifeguard 6 or 8 depending on year
Mechatronic: 2 days. Rebuild: 4β5 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."
Possibly a flex plate crack β common on Land Rovers. We'll distinguish it from transmission noise during diagnosis.
ZF 6HP mechatronic β stressed by low-range cycling. Same repair as Range Rover mechatronic: $1,400β2,200.
4β5 days.
For a clean LR4, yes β these are capable off-road vehicles with strong resale.
Yes β we have Land Rover diagnostic software.
Same-day appointments available. Honest estimates, no surprises. We've been doing this since 1987.