Infiniti repair · Rockford, IL
Nissan strength, dressed up. We know both layers.
Grote Auto Repair repairs Infiniti QX60, Q50, QX80, and G37 in Rockford — CVT service and judder diagnosis, VQ engine oil-leak work, and steering-system triage on Q50. Diagnosis $89–$149, credited toward the repair.
Reviewed by Joe Zeiter
Service Director · Grote service team · Updated July 17, 2026
The documented patterns we watch for
Widely reported patterns on some model years — not a diagnosis of your specific vehicle. That takes evidence, which is the whole point of how we work.
QX60 CVT service and judder
The QX60 shares Nissan’s documented CVT story: fluid service on a real interval or judder and whine later. Many judder complaints resolve with fluid and a software update — we do both to spec before anyone says "replacement."
VQ V6 oil leaks at age
Valve cover gaskets and, on older VQ35s, timing-cover seepage are documented high-mileage patterns on G37/QX70. Located with dye, fixed once — these engines otherwise run practically forever.
Q50 steering and driver-assist electronics
Direct Adaptive Steering cars need electronic diagnosis done right — steering feel complaints can be software, calibration, or hardware. We scan, calibrate, and isolate before quoting anything expensive.
Brake judder on heavy SUVs
QX80 and QX60 rotors work hard and warp honest — highway-speed shudder under braking is the tell. Measured runout tells us machine vs replace; either way you get numbers, not vibes.
Common questions
Who works on Infinitis in Rockford besides the dealer?
Grote Auto Repair — Nissan-family factory-level diagnostics, CVT service with the correct NS-spec fluid, and published prices. Magnuson-Moss keeps your warranty valid with documented independent service.
My QX60 shudders when accelerating — transmission?
It’s the documented CVT judder pattern until diagnosis says otherwise — and the good news is many cases resolve with a proper fluid service and current software rather than hardware. We start there, honestly, before any big quotes. Diagnosis $89–$149, credited.
Are Infinitis expensive to maintain?
Close to Nissan costs with a badge premium on some parts. The VQ engines are famously durable; budget for CVT services on the crossovers and brakes on the big SUVs at our published ranges, and there are few surprises.
Do you service older G35/G37 coupes?
Gladly — they’re enthusiast keepers now. Oil-leak work, suspension refresh, brakes, and honest assessments of what a 15-year-old daily actually needs versus what forums say it might.
Book Infiniti service
We respond within the hour during business hours — usually faster.
Also fluent in
All 41 makes →
Infiniti owners: run the test on us.
Evidence-first diagnosis, published prices, and a warranty in writing.
1949 S Bell School Rd · Rockford, IL · 24/7 key drop