Transmission History by Year - Land Rover Discovery / LR4
2005 - 2009: ZF 6HP26 6-speed (2.7L diesel or 4.0L V6) - LR3 2010 - 2016: ZF 6HP28 6-speed (3.0L/5.0L V8) - LR4 2017+: ZF 8HP70 8-speed - Discovery 5
Expert Land Rover Discovery / LR4 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.
2005 - 2009: ZF 6HP26 6-speed (2.7L diesel or 4.0L V6) - LR3 2010 - 2016: ZF 6HP28 6-speed (3.0L/5.0L V8) - LR4 2017+: ZF 8HP70 8-speed - 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
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.
Mechatronic: 2 days. Rebuild: 4 - 5 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.
Possibly a flex plate crack - common on Land Rovers. We'll distinguish it from transmission noise during diagnosis.
ZF 6HP mechatronic - stressed by low-range cycling. Same repair as Range Rover mechatronic: $1,400 - 2,200.
4 - 5 days.
For a clean LR4, yes - these are capable off-road vehicles with strong resale.
Yes - we have Land Rover diagnostic software.
Same-day appointments available. Honest estimates, no surprises. We've been doing this since 1987.
