Pre-purchase inspection checklist — 2013 Infiniti M56
The 2013 Infiniti M56 has significant issues related to its driveline driveshaft and fuel system, with multiple recalls addressing potential breakage and fuel leaks. These issues highlight potential maintenance challenges, making thorough pre-purchase inspections vital for prospective buyers.
Known issues to inspect
Driveshaft may break
How to check: Check recalls are completed; inspect for vibrations.
Fuel sensor may loosen
How to check: Look for fuel odor or leaks near engine.
Test-drive walkthrough
- 01
Cold start
What to check: Listen for unusual noises, check for leaks.
Red flag: Loud knocking or fuel smell.
- 02
First minute idling
What to check: Check for smooth idle and no vibrations.
Red flag: Rough idle or shaking.
- 03
Low-speed driving
What to check: Feel for unusual vibrations or noises.
Red flag: Vibration might indicate driveshaft issues.
- 04
Regular acceleration
What to check: Ensure smooth gear shifts, no hesitation.
Red flag: Rough shifts or delayed response.
- 05
Highway speed
What to check: Check stability, listen for strange noises.
Red flag: Wobbling or loud humming.
- 06
Braking
What to check: Monitor for smooth stop and response.
Red flag: Grinding noise or pulling sensation.
Questions for the seller
Use this exact phrasing.
- Has the driveshaft been replaced?
- Are all recalls addressed?
- Any fuel smell issues noticed?
- Any recent repairs or issues?
- How often was it serviced?
- Any aftermarket modifications?
Documents to request
Don't sign anything until you have these.
- Recall repair records
- Service history
- Ownership proof
- Accident history
- Title status
Generated by gpt-4o on 8/20/2026. Grounded in the NHTSA recall corpus and owner-complaint patterns for the 2013 Infiniti M56.