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5.4

fairly significant
Crashes / Fires:
0 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
16,841 miles

About These NHTSA Complaints:

This data is from the NHTSA — the US gov't agency tasked with vehicle safety. Complaints are spread across multiple & redundant categories, & are not organized by problem.

So how do you find out what problems are occurring? For this NHTSA complaint data, the only way is to read through the comments below. Any duplicates or errors? It's not us.

2007 Mercury Grand Marquis wheels / hubs problems

wheels / hubs problem

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2007 Mercury Grand Marquis Owner Comments

problem #6

Aug 242009

Grand Marquis 8-cyl

  • Automatic transmission
  • 23,000 miles

A D V E R T I S E M E N T S

The contact owns a 2007 Mercury Grand Marquis. While driving 60 mph the passenger front tire lost air. He was able to safely exchange the tires. The vehicle was taken to the dealer and the valve stems were replaced on all four tires at an expense of $63. The manufacturer was notified, and he will be reimbursed for the valve stems. The failure mileage was 23,000. The current mileage was 25,000. Updated 10/21/09. Updated 10/20/09

- Bonita Springs, FL, USA

problem #5

Dec 112008

Grand Marquis 8-cyl

  • Automatic transmission
  • 18,400 miles
The contact owns a 2007 Mercury Grand Marquis. The vehicle has dill-acp TR-413 tire valves. While driving approximately 70 mph, the vehicle began riding roughly. He pulled the vehicle to the side of the road and noticed bulges in the front passenger side tire and a fractured valve stem. He took the vehicle to the dealer and they stated that the valve stem was manufactured defectively. He is in the process of replacing the front driver's side and rear passenger tires. The contact still has possession of the failed component. The failure and current tire mileages were 18,000. Updated 01/14/09. The consumer stated the tire went flat. Updated 01/21/09.

- Ocala, FL, USA

problem #4

Oct 102008

Grand Marquis

  • 26,000 miles
The contact owns a 2007 Mercury Grand Marquis. The vehicle has tech international TR414 valve stems. The contact discovered that the front passenger side tire was flat. An independent mechanic replaced the valve stem under recall for free. On a separate occasion, the front driver's side tire flattened. Roadside assistance changed the tire and also replaced the valve stem, which was found to be defective. On the third occasion, while driving less than 60 mph, the contact could hear the rear passenger tire losing air. She was able to pull off the road. It was discovered that the tire was affected by the valve stem, which pertained to NHTSA campaign id number 08T018000 (tires:valve). Ford refused to assist because the vehicle was not brought to them first for repairs. The failure mileage was 26,000 and current mileage was less than 27,000. Updated 12/1/08 updated 12/05/08.

- Sulligent, AL, USA

problem #3

Apr 102008

Grand Marquis

  • 5,945 miles

A D V E R T I S E M E N T S

In April, the left front tire on my Mercury Grand Marquis went suddenly flat at high speed on an interstate. The problem was a separation of the valve stem. Dealer replaced valve stem and tire under warranty. In October, my right front time went suddenly flat, again at high speed on an interstate. Problem was again separation of the valve stem. My subsequent inspection disclosed that both rear valve stems were cracked and about to separate as well. Dealer replaced 3 valve stems and tire under warranty. I believe the failures can be traced to tech international model TR413 valve stems, which I understand were original equipment on my vehicle and have had numerous failures. I would urge NHTSA to issue an immediate recall on vehicles with those valve stems. Mileage on my vehicle at second failure was 5945.

- Timonium, MD, USA

problem #2

Jul 152008

Grand Marquis

  • 16,500 miles
The contact owns a 2007 Mercury Grand Marquis. The vehicle has tech international, model TR413 valve stems. The contact was informed on several occasions that the tires were flat on her vehicle. Two valve stems were replaced in the original Michelin tires. The dealer then replaced all four tires due to the flat tires. The serial number, purchase date, part number, and VIN were unknown. The current mileage was 16,952 and failure mileage was 16,500.

- Sweet Water , TN, USA

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problem #1

Jul 222008

Grand Marquis

  • Automatic transmission
  • 11,200 miles
The contact owns a 2007 Mercury Grand Marquis. The contact stated that there was a defective valve stem on the front passenger side tire. The valve stem cracked on the tire, which caused it to deflate while parked in his driveway. He called aaa and they changed the tire. After inspecting the vehicle, the contact noticed that the valve stem was ruptured on the side. He then took the vehicle to the dealer and they replaced all four valve stems under warranty. A mechanic stated that the chinese valve stems were an issue, which were replaced at least 4-5 times a week. The current and failure mileages were approximately 11,200. Updated 09/16/08 updated 09/19/08.

- Seminole, FL, USA

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