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Engine coolingPart report

2014 GMC Sierra 1500 Engine cooling Problems

Complaints
5about this part
Share
1%of 743 total for the year
Median mileage
143,000miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 5 complaints about the engine cooling of the 2014 GMC Sierra 1500, 1% of the 743 complaints for this model year. Where a mileage was given, the median is 143,000 miles. 1 recall campaign on record is filed under a similar system.

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 2014 GMC Sierra 1500. The contact software modification done at a transmission shop, affected the Active Fuel Management not allowing diagnostic. The manufacturer was not notified of the failure. The approximate failure mileage was 210,000”

NHTSA complaint #11740415, filed 2026-05, 210,000 miles

“The contact owns a 2014 GMC Sierra 1500. The contact stated while driving 60 MPH, the check engine warning light illuminated. There was an abnormal knocking sound coming from the engine. The contact determined that the engine had seized. The contact stated that the failure was related to NHTSA Campaign Number 25V274000 (Engine and Engine Cooling). The vehicle was towed to the local dealer, where it was diagnosed and determined that the failure was due to the lifters, and there was low compression in the engine. The vehicle was not repaired. The vehicle was towed to an independent mechanic. …”

NHTSA complaint #11659007, filed 2025-05, 100,000 miles

“The contact owns a 2014 GMC Sierra 1500. The contact stated while driving approximately 65 MPH, the vehicle lost motive power and shut off. The failure recurred on several occasions. There were no warning lights illuminated. The vehicle was taken to an independent mechanic and the contact was informed that the failure was due to the oil pump, which had gone into low-pressure mode and shut down the engine. The local dealer was not contacted. The vehicle was not diagnosed or repaired. The manufacturer was contacted, and the contact was informed that the repairs were not covered under a recall. …”

NHTSA complaint #11557034, filed 2023-11, 186,000 miles

“The contact owns a 2014 Gmc SIERRA 1500. While driving 35 MPH, the front driver and passenger seats became loose and began to shift independently. The contact could smell radiator fluid due to the fact that the radiator cracked. The vehicle was taken to a dealer where it was diagnosed that the radiator was cracked and needed to be repaired. The radiator was repaired. The manufacturer was made of aware of the issue and stated that the VIN was not included in NHTSA campaign number 14v446000 (seats). The approximate failure mileage was 50,000.”

NHTSA complaint #10971686, filed 2017-04, 50,000 miles

Related recalls

Related service bulletins

Engine cooling: other model years

YearComplaintsShare of year
202532%
2024318%
2023235%
2022295%
2021498%
2020214%
2019264%
201862%
201721%
201631%
201510%
201451%
201211%
201121%
201042%
200942%
200810%
200773%
200632%
200585%
200484%
200332%
200221%
200132%
200053%
199964%
199835%
199711%
1996120%

Other parts of the 2014 GMC Sierra 1500

Steering
156 complaints
Exterior lighting
148 complaints
Brakes
144 complaints
Electrical system
129 complaints
Other or unknown
92 complaints
Engine
69 complaints
Transmission and drivetrain
69 complaints
Electronic stability control
56 complaints
Body and structure
31 complaints
Air bags
26 complaints
Suspension
24 complaints
Visibility (wipers, defrost, mirrors)
21 complaints

← All problems reported for the 2014 GMC Sierra 1500

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 28, 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