1996 Mercury Grand Marquis Engine and Engine Cooling Problems

Source: NHTSA · Updated Mar 1, 2023 · 85 complaints analyzed

Owners have filed 85 complaints with NHTSA about engine and engine cooling problems on the 1996 Mercury Grand Marquis, 36% of all complaints for this model year. Half of the reports with a mileage happened before 85,000 miles. The words owners use most often: “intake manifold” (59% of reports).

What owners describe

Phrases that appear unusually often in these complaints compared with complaints about other cars.

  • Intake manifold: mentioned in 50 of 85 complaints (59%)
  • Cracked plastic: mentioned in 5 of 85 complaints (6%)

How much does it cost to fix?

Owners who wrote down what they paid or were quoted put the typical engine and engine cooling repair on the 1996 Mercury Grand Marquis at $1,450, and half of them between $1,000 and $1,850.

Based on 10 NHTSA complaints about this problem alone that state a repair bill or quote (2003–2010), converted to 2026 dollars with the U.S. consumer price index. These are owners' own figures, not a quote: they include dealer quotes, and owners who file complaints often faced larger repairs, so they can run higher than typical shop prices. Prices vary by shop, region and warranty coverage. How we calculate this.

At what mileage do engine and engine cooling problems happen?

Based on 57 complaints that reported the odometer reading.

Under 10k miles1 · 2%
10k–25k miles1 · 2%
25k–50k miles1 · 2%
50k–75k miles14 · 25%
75k–100k miles27 · 47%
100k–150k miles11 · 19%
150k+ miles2 · 4%

How serious are the reports?

Of 85 complaints, 8 a fire, 2 an injury.

Mercury Grand Marquis engine and engine cooling complaints by model year

Peak: 1997, with 124 complaints
1995: 8199581996: 85851997: 12419971241998: 26261999: 261999262000: 17172001: 202001202002: 10102003: 132003132004: 10102005: 9200592006: 222007: 3200732008: 552010: 120101

n = 359 complaints · Source: NHTSA

Model yearEngine and Engine Cooling complaintsShare of that yearMedian miles
2010 Grand Marquis14%36,000
2008 Grand Marquis56%19,800
2007 Grand Marquis33%3,001
2006 Grand Marquis21%99,300
2005 Grand Marquis92%20,194
2004 Grand Marquis103%100,000
2003 Grand Marquis134%18,445
2002 Grand Marquis1013%73,000
2001 Grand Marquis2013%36,000
2000 Grand Marquis1710%87,000
1999 Grand Marquis2616%92,100
1998 Grand Marquis2618%100,000
1997 Grand Marquis12439%80,072
1996 Grand Marquis8536%85,000
1995 Grand Marquis84%76,583

When owners reported it

Peak: 2003, with 20 complaints
1996: 2199621997: 111998: 1199811999: 222000: 4200042001: 222002: 8200282003: 20202004: 202004202005: 882006: 3200632007: 442008: 4200842009: 222010: 3201032012: 11

n = 85 complaints · Source: NHTSA

Related recalls (0)

No safety recall lists engine and engine cooling for the 1996 Mercury Grand Marquis. A pattern of complaints does not always lead to a recall.

What owners report

Short excerpts of recent complaints, with personal details removed. Full reports are on NHTSA.gov.

A crack in my exhaust manifold behind the alternator causing coolant to spray all over under my hood and now my engine overheats..thanks for using plastic parts ford . *tr

Received May 10, 2012 · NHTSA complaint 10458067

While driving my vehicle home from work in the evening, the car started to putter, then smoke came pouring out from under the engine hood blocking my view from the road causing cars to race around me and almost had an accident...also started coming in the vents of the car, making me nausea. Extreme…

Received Dec 1, 2010 · NHTSA complaint 10368518

Tl*the contact owns a 1996 mercury grand marquis. The contact stated that there was steam emitting from the engine compartment. A mechanic advised the contact that there was a crack in the plastic intake manifold. The vehicle had not been repaired at the time of the complaint. The contact called…

Received Aug 11, 2010 · NHTSA complaint 10348684
Mercury Grand Marquis
2003-2005 Mercury Grand Marquis photographed in College Park, Maryland , USA.. Representative photo; appearance varies by model year. Photo: IFCAR, Public domain, via Wikimedia Commons.

Frequently asked questions

Do all 1996 Mercury Grand Marquiss have engine and engine cooling problems?

No. NHTSA has 85 owner complaints about engine and engine cooling for the 1996 Mercury Grand Marquis (36% of the 239 complaints for this model year). Complaint data shows that the problem is reported, not how many of all cars sold are affected.

Was there a recall on the 1996 Mercury Grand Marquis engine and engine cooling?

No recall currently lists engine and engine cooling for this vehicle.

At what mileage do engine and engine cooling problems start?

The median reported mileage is 85,000 miles: half of the reports with a mileage came before that.

How much does it cost to fix engine and engine cooling problems on the 1996 Mercury Grand Marquis?

Owners report a typical cost of $1,450 (half paid between $1,000 and $1,850), from 10 complaints that state a repair bill or quote, in 2026 dollars.

What do owners say about engine and engine cooling problems on the 1996 Mercury Grand Marquis?

The most frequent phrase is “intake manifold”, in 50 of 85 complaints, followed by “cracked plastic” (5).

See all 1996 Mercury Grand Marquis problems or engine and engine cooling problems across all Grand Marquis years.