2005 Chevrolet Equinox Engine and Engine Cooling Problems

Source: NHTSA · Updated Mar 3, 2023 · 111 complaints analyzed

Owners have filed 111 complaints with NHTSA about engine and engine cooling problems on the 2005 Chevrolet Equinox, 17% of all complaints for this model year. Half of the reports with a mileage happened before 55,338 miles. The words owners use most often: “head gasket” (26% of reports).

What owners describe

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

  • Head gasket: mentioned in 29 of 111 complaints (26%)
  • Bad odor: mentioned in 6 of 111 complaints (5%)

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 2005 Chevrolet Equinox at $2,200, and half of them between $1,500 and $2,800.

Based on 16 NHTSA complaints about this problem alone that state a repair bill or quote (2005–2012), 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 82 complaints that reported the odometer reading.

Under 10k miles17 · 21%
10k–25k miles9 · 11%
25k–50k miles10 · 12%
50k–75k miles25 · 30%
75k–100k miles14 · 17%
100k–150k miles6 · 7%
150k+ miles1 · 1%

How serious are the reports?

Of 111 complaints, 2 a fire.

Chevrolet Equinox engine and engine cooling complaints by model year

Peak: 2005, with 111 complaints
2005: 11120051112006: 60602007: 172007172008: 882010: 312010312011: 34342012: 8201282013: 10102014: 122014122015: 442016: 9201692017: 16162018: 9201892019: 552020: 9202092021: 222022: 4202242024: 112025: 220252

n = 352 complaints · Source: NHTSA

Model yearEngine and Engine Cooling complaintsShare of that yearMedian miles
2025 Equinox21%5,000
2024 Equinox11%9,600
2022 Equinox42%12,300
2021 Equinox22%69,000
2020 Equinox93%86,040
2019 Equinox52%61,414
2018 Equinox92%96,000
2017 Equinox166%104,500
2016 Equinox92%111,500
2015 Equinox41%91,100
2014 Equinox122%106,000
2013 Equinox101%103,294
2012 Equinox81%129,687
2011 Equinox344%8,050
2010 Equinox314%35,400
2008 Equinox82%31,200
2007 Equinox172%73,100
2006 Equinox609%65,000
2005 Equinox11117%55,338

When owners reported it

Peak: 2010, with 23 complaints
2004: 142004142005: 102005102006: 4200642007: 122007122008: 122008122009: 132009132010: 232010232011: 172011172012: 4201242015: 1201512018: 120181

n = 111 complaints · Source: NHTSA

Related recalls (0)

No safety recall lists engine and engine cooling for the 2005 Chevrolet Equinox. 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 2005 chevrolet equinox. While driving approximately 55 mph, the engine overheated and the vehicle stalled. The vehicle was towed to the contact's residence and later to an independent mechanic to be diagnosed. The contact was informed that the vehicle needed a radiator flush…

Received Apr 23, 2018 · NHTSA complaint 11089648

I went to get my inspection sticker and received an safety/emissions recall sheet of paper indicating that i might have a problem with this defect number: 2529, engine family:5gmxv02.2025, emission problem: some engine control modules or power train control modules have potentially damaged…

Received Apr 22, 2015 · NHTSA complaint 10712167

Vehicle has an engine miss, coolant is disappearing and was taken to repair shop. Diagnosed as needing head gaskets. Repairs to cost approximately $1700.00. This has happened to many other owners of 2005 chevy equinox's. *tr

Received Apr 10, 2012 · NHTSA complaint 10454738
Chevrolet Equinox
A 2025 Chevrolet Equinox photographed in Flushing, Queens , New York, USA. Representative photo; appearance varies by model year. Photo: Kevauto, CC BY-SA 4.0, via Wikimedia Commons.

Frequently asked questions

Do all 2005 Chevrolet Equinoxs have engine and engine cooling problems?

No. NHTSA has 111 owner complaints about engine and engine cooling for the 2005 Chevrolet Equinox (17% of the 638 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 2005 Chevrolet Equinox 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 55,338 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 2005 Chevrolet Equinox?

Owners report a typical cost of $2,200 (half paid between $1,500 and $2,800), from 16 complaints that state a repair bill or quote, in 2026 dollars.

What do owners say about engine and engine cooling problems on the 2005 Chevrolet Equinox?

The most frequent phrase is “head gasket”, in 29 of 111 complaints, followed by “bad odor” (6).

Other 2005 Chevrolet Equinox problems

See all 2005 Chevrolet Equinox problems or engine and engine cooling problems across all Equinox years.