2007 INFINITI M35
2007 INFINITI M35
Overview
The 2007 INFINITI M35, a luxury sedan, offered a blend of performance and comfort. It was primarily equipped with a robust 3.5L V6 engine, known for its smooth power delivery and generally good reliability. The vehicle came with either a 5-speed automatic or a 7-speed automatic transmission, both of which performed well under normal driving conditions. While the M35 generally holds up well, like any vehicle of its age, certain components can experience wear or specific issues. This analysis focuses on documented common problems beyond routine maintenance, providing insights into potential areas of concern for owners and prospective buyers.
Engine
3.5L V6 (VQ35HR)
Oil Leaks (Valve Covers/Gaskets)
- Symptoms: Visible oil stains under the engine, burning oil smell, low oil level.
- Solution: Replacement of valve cover gaskets or other seals.
- Cost: $300 - $600
Coolant Leaks (Hoses/Radiator)
- Symptoms: Overheating, visible coolant puddles, sweet smell, low coolant level.
- Solution: Replacement of leaking hoses, radiator, or water pump.
- Cost: $400 - $800
Transmission
5-Speed Automatic
No Major Issues
- Symptoms: No widespread issues reported.
- Solution: No widespread issues reported.
- Cost: No widespread issues reported.
7-Speed Automatic
Harsh Shifting/Delayed Engagement
- Symptoms: Jerky gear changes, hesitation when shifting into drive or reverse.
- Solution: Transmission fluid and filter change, potential valve body or solenoid repair.
- Cost: $300 - $1200
Suspension
Standard Chassis
Worn Ball Joints/Tie Rod Ends
- Symptoms: Clunking noises over bumps, loose steering, uneven tire wear.
- Solution: Replacement of worn suspension components.
- Cost: $400 - $700
Leaking Struts/Shocks
- Symptoms: Bouncy ride, visible fluid leaks on shock/strut bodies, reduced handling.
- Solution: Replacement of worn struts or shocks.
- Cost: $500 - $900
Electrical
General Electrical System
Infotainment System Glitches
- Symptoms: Screen freezing, unresponsive touch controls, navigation issues.
- Solution: Software update, or replacement of the head unit.
- Cost: $200 - $1500
Power Window/Lock Actuator Failure
- Symptoms: Windows not rolling up/down, doors not locking/unlocking.
- Solution: Replacement of faulty actuator motors.
- Cost: $200 - $400
Exterior
Body Panels and Trim
No Major Issues
- Symptoms: No widespread issues reported.
- Solution: No widespread issues reported.
- Cost: No widespread issues reported.
Interior
Cabin Materials and Features
Seat Heater Malfunction
- Symptoms: One or both seat heaters not working.
- Solution: Replacement of heating element or switch.
- Cost: $250 - $500
Dashboard/Interior Trim Fading/Cracking
- Symptoms: Discoloration or cracking of plastic components due to sun exposure.
- Solution: Replacement of affected trim pieces or professional refinishing.
- Cost: $100 - $500
Summary Verdict
The 2007 INFINITI M35 is generally considered a reliable luxury sedan, particularly with its well-regarded 3.5L V6 engine. Common issues tend to be related to age and mileage, such as oil and coolant leaks from gaskets and hoses, and potential wear in suspension components like ball joints and struts. The 7-speed automatic transmission has seen some reports of harsh shifting, which may require attention. Electrical gremlins, especially with the infotainment system and power accessories, can also arise. While not plagued by widespread catastrophic failures, owners should be aware of these potential maintenance points to keep the M35 in good running order. Regular fluid changes and inspections are recommended.