🔧 FREE Computer Diagnostic (Reg. $89) — Call: (312) 555-0180
Call Us Free (312) 555-0180
Infiniti G37 Transmission Repair — Chicago Transmission | Transmission Repair Chicago

Infiniti G37 / Q40 Transmission Repair Chicago

Expert Infiniti G37 / Q40 transmission service in Chicago. Free computer diagnostic, lifetime warranty on rebuilds, all years.

Get Free Diagnostic → 📞 (312) 555-0180
🛡️ Lifetime Warranty on Rebuilds
⭐ 4.9 Stars · 847 Reviews
📅 Since 1987
🔧 ASE Certified
🚛 Free Towing within 15 Miles
Infiniti G37 Transmission Repair — Chicago Transmission | Chicago IL
Expert Infiniti G37 transmission service at Chicago Transmission since 1987.

Transmission History by Year — Infiniti G37 / Q40

2008–2013: RE7R01A 7-speed automatic (3.7L V6) — Coupe, Sedan, Convertible
Manual: 6-speed Tremec (G37S models)

Known Infiniti G37 / Q40 Transmission Problems

  • RE7R01A (all years): Solenoid pack failure at 80–120k miles — same unit as Q50. Performance use accelerates solenoid wear
  • TCC: G37 drivers tend to be more aggressive — converter clutch wear more common than in family sedan applications
  • Manual 6-speed: Input shaft bearing noise on high-mileage performance G37

Warning Signs — When to Bring It In

  • Harsh shifts at high mileage — solenoid
  • Shudder at cruise — TCC
  • Growl in neutral — manual input bearing

Our Repair Process

RE7R01A: solenoid pack or rebuild. Manual: input bearing replacement.

Fluid Specification

Nissan Matic-W (AT) or MT-90 (manual)

Repair Time Estimate

2–4 days.

Pricing — Infiniti G37 / Q40

RE7R01A solenoid: $700–1,000
RE7R01A rebuild: $2,000–2,800
Manual rebuild: $1,000–1,600
Call for exact quote.

Call for exact quote on your specific year and engine.

Free Diagnostic → 📞 (312) 555-0180

Our Warranty

✅ Lifetime warranty on complete rebuilds — as long as you own the vehicle.

✅ 2 years / 24,000 miles on repair work.

✅ Free towing within 15 miles with any repair over $500.

Customer Reviews

What Chicago Drivers Say

★★★★★ 4.9 / 5.0
Based on 847 Google reviews
★★★★★

"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."

Maria G. — Lincoln Park
★★★★★

"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."

Chris D. — Lakeview
★★★★★

"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."

Janet K. — Wicker Park
Infiniti G37 / Q40 FAQ

Common Infiniti G37 / Q40 Transmission Questions

RE7R01A solenoid pack — same failure as Q50. P0750–P0770 confirms it.

Very — the Tremec 6-speed is strong. Input bearing noise is the main complaint on high-mileage examples.

Q40 is the 2015 rebadged G37. Same vehicle, same transmission.

2–4 days.

G37 coupes are enthusiast vehicles that hold value. Rebuild is absolutely worth it.

Ready to Fix Your Infiniti G37 / Q40?

Same-day appointments available. Honest estimates, no surprises. We've been doing this since 1987.

Schedule Free Diagnostic → 📞 (312) 555-0180
Car On Lift For Transmission Service — Chicago Transmission | Chicago IL
A customer vehicle raised on our lift for thorough transmission inspection at Chicago Transmission.
Transmission Parts And Components — Chicago Transmission | Chicago IL
Transmission components laid out for rebuild and inspection — we stock parts for all makes and models.
📞 (312) 555-0180 Free Diagnostic