Expert Land Rover Range Rover Sport transmission service in Chicago. Free computer diagnostic, lifetime warranty on rebuilds, all years.
2006β2009 Gen 1: 6-speed ZF 6HP26 automatic; 4.4L V8 or 4.2L supercharged V8 2010β2013 Gen 1 (facelift): 6-speed ZF 6HP28 automatic; 3.0L TDV6 or 5.0L V8/V8 SC 2014β2022 Gen 2: 8-speed ZF 8HP70 automatic; 3.0L V6, 5.0L V8, or PHEV 2023+ Gen 3: 8-speed ZF 8HP76 automatic; updated software; MHEV and PHEV options
Range Rover Sport requires Land Rover IDS diagnostic software for full ZF transmission code access. Gen 1 mechatronic failure is the most critical issue β it can occur suddenly with little warning. Mechatronic testing confirms failure before recommending rebuild vs. replacement. Gen 2 8HP70 shudder diagnosis follows standard ZF protocol β fluid replacement first, torque converter next. PHEV shift quality assessment requires simultaneous hybrid and transmission module evaluation. Transfer case actuator is diagnosed independently β electrical and mechanical function tested separately.
ZF Lifeguard 6 (6HP26/28) or Lifeguard 8 (8HP70/76); approximately 10β12 quarts; transfer case: Land Rover-specified gear oil; PHEV: additional rear e-axle fluid
Mechatronic: 1β2 days; torque converter: 2β3 days; transfer case actuator: 1 day; full rebuild: 5β8 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."
Yes β especially on Gen 1 (2006β2013) models with the 6HP26 and 6HP28. It is the single most common transmission failure we see on these vehicles. Many owners experience it between 80,000β120,000 miles.
Not recommended. The ZF mechatronic can fail progressively or suddenly β continuing to drive risks damage to clutch packs and internal components. Get a diagnosis before driving further if the light is on.
The PHEV drivetrain transitions between electric and engine power automatically. Calibration updates from Land Rover address this β confirm your software is current. If jerk persists after update, the transmission control module calibration may need a targeted reflash.
A full rebuild takes 5β8 business days. Mechatronic-only replacement is 1β2 days. We stock ZF Lifeguard fluids and common mechatronic units, which reduces wait time.
Yes, if the rest of the vehicle is in good condition. A rebuilt ZF 8HP70 is a known unit with fresh parts. Remanufactured options are also available. We can advise on rebuild vs. remanufactured based on the damage we find during inspection.
Same-day appointments available. Honest estimates, no surprises. We've been doing this since 1987.