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Engine coolingPart report

2023 Chevrolet Blazer Engine cooling Problems

Complaints
2about this part
Share
5%of 44 total for the year
Median mileage
35,500miles
Trend
Too newThis model year is less than 4 years old, so a trend is not meaningful yet.

NHTSA recorded 2 complaints about the engine cooling of the 2023 Chevrolet Blazer, 5% of the 44 complaints for this model year. Where a mileage was given, the median is 35,500 miles.

Fewer than 15 complaints name this part, so treat the figures as a rough indication only.

Example complaints

Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.

“The contact owns a 2023 Chevrolet Blazer. The contact stated that while driving, a code appeared on the dashboard P0128. When the vehicle's engine was switched off, the engine cooling fan continued to run. Warning light stating the steering would be disable.; however power steering was not lost. The vehicle was taken to a dealer where it was diagnosed with a thermostat failure. The manufacturer was notified of the failure. The approximate failure mileage was 48,000”

NHTSA complaint #11740828, filed 2026-05, 48,000 miles

“The contact owns a 2023 Chevrolet Blazer. While the vehicle was at a dealer for routine maintenance, the contact was informed that an unknown fluid was leaking from the radiator. The vehicle was less than one year old, and the radiator was replaced under warranty. Two years and two months later, while at the dealer for a module repair, the contact was informed that a second leak was discovered in the replacement radiator. The contact offered customer assistance toward the cost of a second replacement radiator. …”

NHTSA complaint #11771395, filed 2026-10, 23,000 miles

Engine cooling: other model years

YearComplaintsShare of year
202424%
202325%
202212%
202132%
202031%
201911%
2008120%
200517%
200448%
200368%
2002208%
2001237%
20006311%
19996214%
1998649%
19979312%
199614913%
199521317%
1994427%
19935110%
199293%
1991125%
1990516%
1989411%
1988718%
198727%
1986526%
1985517%
1984111%

Other parts of the 2023 Chevrolet Blazer

Engine
12 complaints
Brakes
10 complaints
Transmission and drivetrain
10 complaints
Electrical system
7 complaints
Forward collision avoidance
7 complaints
Steering
6 complaints
Exterior lighting
4 complaints
Fuel system
3 complaints
Other or unknown
3 complaints
Lane departure
2 complaints
Air bags
1 complaints
Tires
1 complaints

← All problems reported for the 2023 Chevrolet Blazer

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 27, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.

To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology