2007 Mercury Grand Marquis
Introduction:
The 2007 Mercury Grand Marquis is a full-size luxury sedan known for its spacious interior, comfortable ride, and powerful V8 engine. It was offered with a 4.6L V8 engine paired with a 4-speed automatic transmission.
Engine:
4.6L V8
- Timing chain tensioner failure
- Description/Symptoms: Rattling or ticking noise from the engine, reduced power, and eventually engine failure.
- Solution: Replace the timing chain tensioner and timing chains.
- Estimated Cost to Fix: $1,300 - $2,500+
- Recalls: None Found
- EGR valve failure
- Description/Symptoms: Check engine light, rough idle, engine stalls, and reduced fuel economy.
- Solution: Replace the EGR valve.
- Estimated Cost to Fix: $300 - $600+
- Timing chain tensioner failure
Transmission:
4-Speed Automatic
- Shift solenoid failure
- Description/Symptoms: Rough or delayed shifting, transmission slipping or shuddering, and check engine light.
- Solution: Replace the failed shift solenoid.
- Estimated Cost to Fix: $350 - $600+
- Recalls: None Found
- Shift solenoid failure
Suspension:
- Front suspension strut failure
- Description/Symptoms: Clunking or rattling noise over bumps, uneven tire wear, and reduced stability.
- Solution: Replace the worn struts.
- Estimated Cost to Fix: $500 - $1,000+
Electrical:
- Battery drain
- Description/Symptoms: Battery dies quickly, even when the car is not running.
- Solution: Identify and fix the source of the battery drain, such as a faulty accessory or module.
- Estimated Cost to Fix: Varies depending on the source of the drain
- Alternator failure
- Description/Symptoms: Dim headlights, flickering gauges, and trouble starting the car.
- Solution: Replace the alternator.
- Estimated Cost to Fix: $500 - $800+
Exterior:
- Trunk lid misalignment
- Description/Symptoms: Trunk lid does not close properly, creating a gap and allowing water to enter.
- Solution: Adjust the trunk lid hinges or replace them if necessary.
- Estimated Cost to Fix: $200 - $400+
Interior:
- Heater core leak
- Description/Symptoms: Sweet smell inside the car, fogging windows, and low coolant levels.
- Solution: Replace the heater core.
- Estimated Cost to Fix: $600 - $1,000+
Summary:
The 2007 Mercury Grand Marquis is a reliable vehicle, but it has some known issues that owners should be aware of. The most serious issue is the timing chain tensioner failure, which can lead to catastrophic engine damage if not addressed promptly. The other issues are generally less severe and less costly to repair. Overall, the Grand Marquis provides a comfortable and spacious driving experience, but it’s important to factor in the potential cost of repairs when considering purchasing one.