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Engine coolingPart report

2012 GMC Acadia Engine cooling Problems

Complaints
3about this part
Share
1%of 296 total for the year
Median mileage
130,000miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 3 complaints about the engine cooling of the 2012 GMC Acadia, 1% of the 296 complaints for this model year. Where a mileage was given, the median is 130,000 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.

“Air conditioner blower speed decreases when brakes are applied and engine speed decreases. Air conditioner recirculate button spontaneously cuts off. Rear air conditioner blower speed drops when brakes are applied and engine speed decreases and then completely stops blowing despite rear A/C control remaining in the on position. Rear A/C button must be turned off, then turned back on to restart blower. Voltage meter shows a drop in voltage when brakes are applied and engine speed decreases.”

NHTSA complaint #10469402, filed 2012-08, 350 miles

“The contact owns a 2012 GMC Acadia. The contact stated that shortly after purchasing the vehicle, the check engine warning light illuminated. The vehicle was taken to the local mechanic who discovered that the catalytic convertor was faulty and needed to be replaced. The mechanic also inspected the vehicle and determined that the steering rack, front struts, and suspension control arms were also faulty and needed to be replaced. The vehicle was not yet repaired. The local dealer was notified of the failure, but no assistance was offered. The manufacturer was not contacted. …”

NHTSA complaint #11670219, filed 2025-06, 130,000 miles

“The contact owns a 2012 GMC Acadia. The contact stated that while driving 70 MPH, the RPM would rise to 4,000 however, the vehicle failed to respond as intended. The check engine warning light was illuminated. The contact pulled over to the side of the road and inspected the vehicle and became aware of smoke coming from the engine compartment. The vehicle was towed to an independent mechanic where it was diagnosed that the engine block, camshaft, reverse gear, and transmission housing needed to be replaced. The vehicle was not repaired. The manufacturer was not notified of the failure. …”

NHTSA complaint #11546058, filed 2023-09, 158,000 miles

Related service bulletins

Engine cooling: other model years

YearComplaintsShare of year
202132%
202011%
201951%
201810%
201720%
201420%
201231%
201141%
2010103%
200982%
2008202%
2007123%

Other parts of the 2012 GMC Acadia

Steering
46 complaints
Transmission and drivetrain
43 complaints
Other or unknown
42 complaints
Body and structure
42 complaints
Electrical system
41 complaints
Engine
35 complaints
Air bags
33 complaints
Fuel system
24 complaints
Exterior lighting
21 complaints
Visibility (wipers, defrost, mirrors)
12 complaints
Vehicle speed control
10 complaints
Electronic stability control
9 complaints

← All problems reported for the 2012 GMC Acadia

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