NHTSA — Engine And Engine Cooling: Cooling System Problems


hardly worth mentioning
Crashes / Fires:
0 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
56,000 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 Mountaineer cooling system problems

cooling system problem

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2007 Mercury Mountaineer Owner Comments

problem #3

Apr 282011

Mountaineer 8-cyl

  • 61,000 miles


The contact owns a 2007 Mercury Mountaineer. The dealer informed the contact the radiator needed to replaced. The vehicle was taken to the dealer who will repair the failure at the contacts expense. The dealer informed her there was no recalls or warranty on the vehicle. The manufacturer was contacted and offered no assistance. The failure mileage was 61,000. Updated 06/03/11 the consumer stated one month later, the power steering pump had to be replaced. Updated 07/08/11

- Searcy, AR, USA

problem #2

Jan 272011

Mountaineer 6-cyl

  • 64,500 miles
I am the owner of a 2007 Mercury Mountaineer. It has about 64,000 miles on it, most of them highway miles. I have a leak in my radiator. The dealer says it is a defect in the radiator, and no corrosion is present. It is out of warranty, so I must bear the cost of replacement of the radiator. Cost ~$700. I do not drive off road, so there is no valid reason the radiator should have failed. During an internet search, I discovered this is a common problem with 2006 and 2007 Mercury Mountaineer and Ford Explorer. This issue should be investigated, and Ford held accountable for putting defective parts in their vehicles.

- Tulsa, OK, USA

problem #1

Jan 122011


  • 42,500 miles
I have a 2007 Mercury Mountaineer with 42,000 miles on it and was notified by my dealership that there is a leak in the radiator and it needs to be replaced. My dealership told me this was common problem with Mountaineer but Ford will not stand behind the equipment.

- Monticello, WI, USA

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