1999 Buick Century Engine and Engine Cooling Problems

Source: NHTSA · Updated Feb 4, 2018 · 55 complaints analyzed

Owners have filed 55 complaints with NHTSA about engine and engine cooling problems on the 1999 Buick Century, 23% of all complaints for this model year. Half of the reports with a mileage happened before 52,900 miles. The words owners use most often: “intake manifold” (35% of reports).

What owners describe

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

  • Intake manifold: mentioned in 19 of 55 complaints (35%)
  • Dex cool: mentioned in 5 of 55 complaints (9%)

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 1999 Buick Century at $1,150, and half of them between $970 and $1,350.

Based on 7 NHTSA complaints about this problem alone that state a repair bill or quote (2003–2007), 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 31 complaints that reported the odometer reading.

Under 10k miles0 · 0%
10k–25k miles0 · 0%
25k–50k miles13 · 42%
50k–75k miles13 · 42%
75k–100k miles4 · 13%
100k–150k miles1 · 3%
150k+ miles0 · 0%

How serious are the reports?

Of 55 complaints, 2 a fire.

Buick Century engine and engine cooling complaints by model year

Peak: 1999, with 55 complaints
1995: 111995111996: 9199691997: 7199771998: 221998221999: 551999552000: 212000212001: 272001272002: 252002252003: 132003132005: 220052

n = 192 complaints · Source: NHTSA

Model yearEngine and Engine Cooling complaintsShare of that yearMedian miles
2005 Century211%97,597
2003 Century1310%47,600
2002 Century2516%60,132
2001 Century2719%57,500
2000 Century2111%63,609
1999 Century5523%52,900
1998 Century2210%53,361
1997 Century77%70,000
1996 Century911%—
1995 Century1111%—

When owners reported it

Peak: 2004, with 15 complaints
1999: 1199912000: 7200072001: 1200112002: 6200262003: 112003112004: 152004152005: 4200542006: 5200652007: 2200722008: 320083

n = 55 complaints · Source: NHTSA

Related recalls (0)

No safety recall lists engine and engine cooling for the 1999 Buick Century. 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.

Tl*the contact owns a 1999 buick century. While driving approximately 55 mph, the temperature gauge increased and the contact began to smell burning antifreeze. The contact parked the vehicle and a mechanic stated that the intake gasket was leaking coolant and needed to be replaced. The current and…

Received Sep 9, 2008 · NHTSA complaint 10241425

Passenger airbag light on--means airbag will not/may not deploy if in an auto accident. Dealer sharpe buick replaced module approx 3 times but problem still exists. I was told that airbag light had to stay on constant before they could do anything, light is always on and problem was still not…

Received Aug 18, 2008 · NHTSA complaint 10238682

Both the intake manifold and the heater core failed on my car. *tr

Received May 8, 2008 · NHTSA complaint 10227007
Buick Century
Buick berline 1935 en angleterre. Representative photo; appearance varies by model year. Photo: Charles01, CC BY-SA 3.0, via Wikimedia Commons.

Frequently asked questions

Do all 1999 Buick Centurys have engine and engine cooling problems?

No. NHTSA has 55 owner complaints about engine and engine cooling for the 1999 Buick Century (23% of the 235 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 1999 Buick Century 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 52,900 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 1999 Buick Century?

Owners report a typical cost of $1,150 (half paid between $970 and $1,350), from 7 complaints that state a repair bill or quote, in 2026 dollars.

What do owners say about engine and engine cooling problems on the 1999 Buick Century?

The most frequent phrase is “intake manifold”, in 19 of 55 complaints, followed by “dex cool” (5).

See all 1999 Buick Century problems or engine and engine cooling problems across all Century years.