Expert Lexus NX 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.
2015 - 2021 Gen 1: 6-speed automatic (6-speed U660E) on NX300 2.0T; FWD and AWD 2015 - 2021 Gen 1 NX300h hybrid: CVT / hybrid electric drive; no traditional automatic 2022 - present Gen 2: 8-speed automatic on NX350 2.4T; FWD and AWD; PHEV variant available 2022+ NX350h: CVT hybrid drive; 2022+ NX450h+ PHEV: hybrid CVT + plug-in battery
NX Gen 1 U660E diagnosis with Toyota Techstream. WS ATF condition check - contaminated or degraded fluid is a primary cause of shudder on the 2.0T. Torque converter testing at highway cruise load. AWD center differential fluid check and service. Gen 2 8-speed: software version check first; Lexus released calibration updates for early 2022 models. PHEV hybrid diagnosis requires dual hybrid/transmission scan. Cold-start delay on Gen 1 addressed by valve body service.
Toyota/Lexus WS ATF; Gen 2 8-speed: also WS ATF; NX300h/350h CVT: Toyota CVT fluid (specific); PHEV: additional e-axle fluid
Fluid service: same day; software update: same day; valve body: 1 - 2 days; torque converter: 2 - 3 days; full rebuild: 4 - 6 days
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.
Torque converter clutch shudder is the primary cause on the 2.0T U660E. The shudder occurs when the lock-up clutch slips under partial load. Fresh WS ATF often helps - if it doesn't, torque converter replacement is the fix.
More complex than standard - the NX450h+ has both a front CVT hybrid system and a rear electric motor. Both require hybrid-aware technicians and dual diagnostic capability. We are equipped for hybrid NX service.
Toyota/Lexus WS ATF for gas models; NX300h/350h: Toyota CVT fluid; NX450h+ PHEV: WS ATF for front unit plus separate e-axle fluid for the rear motor.
The Gen 2 8-speed has been very reliable after early software updates. The Gen 1 6-speed is also durable - the main vulnerability is torque converter shudder, which is a manageable maintenance issue.
Yes - the AWD center differential has separate fluid that should be inspected every 30,000 - 45,000 miles. Neglecting it leads to vibration and differential wear.
Same-day appointments available. Honest estimates, no surprises. We've been doing this since 1987.
