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Engine coolingPart report

2016 GMC Sierra 3500 Engine cooling Problems

Complaints
1about this part
Share
5%of 19 total for the year
Median mileage
105,000miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 1 complaints about the engine cooling of the 2016 GMC Sierra 3500, 5% of the 19 complaints for this model year. Where a mileage was given, the median is 105,000 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.

“The contact owns a 2016 GMC Sierra 3500. The contact stated while driving 20 MPH, there was an abnormal rattling sound coming from the engine compartment. The vehicle lost motive power and stalled. The vehicle was towed to the residence. The vehicle was towed to an independent mechanic where it was diagnosed that the crankshaft, lower bearings, head gasket seals, and the long block needed to be replaced. The vehicle was repaired. The manufacturer was not notified of the failure. The failure mileage was 105,000.”

NHTSA complaint #11603966, filed 2024-07, 105,000 miles

Related service bulletins

Engine cooling: other model years

YearComplaintsShare of year
202516%
202412%
202314%
202012%
201918%
201615%
201513%
2009120%
200716%
200619%
200528%
200215%
2001617%
2000312%
1999211%
1997110%

Other parts of the 2016 GMC Sierra 3500

Brakes
6 complaints
Steering
6 complaints
Engine
5 complaints
Fuel system
3 complaints
Electrical system
2 complaints
Transmission and drivetrain
2 complaints
Air bags
1 complaints
Suspension
1 complaints

← All problems reported for the 2016 GMC Sierra 3500

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