2005 Chevrolet Equinox Engine and Engine Cooling Problems
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).
- 111engine and engine cooling complaints
- 55,338median miles at failure
- 0mention a crash
- 0mention an injury
- 0related recalls
- $2,200typical repair cost reported by owners
- 45%of reports with a speed happened at 50+ mph
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.
How serious are the reports?
Of 111 complaints, 2 a fire.
Chevrolet Equinox engine and engine cooling complaints by model year
| Model year | Engine and Engine Cooling complaints | Share of that year | Median miles |
|---|---|---|---|
| 2025 Equinox | 2 | 1% | 5,000 |
| 2024 Equinox | 1 | 1% | 9,600 |
| 2022 Equinox | 4 | 2% | 12,300 |
| 2021 Equinox | 2 | 2% | 69,000 |
| 2020 Equinox | 9 | 3% | 86,040 |
| 2019 Equinox | 5 | 2% | 61,414 |
| 2018 Equinox | 9 | 2% | 96,000 |
| 2017 Equinox | 16 | 6% | 104,500 |
| 2016 Equinox | 9 | 2% | 111,500 |
| 2015 Equinox | 4 | 1% | 91,100 |
| 2014 Equinox | 12 | 2% | 106,000 |
| 2013 Equinox | 10 | 1% | 103,294 |
| 2012 Equinox | 8 | 1% | 129,687 |
| 2011 Equinox | 34 | 4% | 8,050 |
| 2010 Equinox | 31 | 4% | 35,400 |
| 2008 Equinox | 8 | 2% | 31,200 |
| 2007 Equinox | 17 | 2% | 73,100 |
| 2006 Equinox | 60 | 9% | 65,000 |
| 2005 Equinox | 111 | 17% | 55,338 |
When owners reported it
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…
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…
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

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.