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Engine coolingPart report

2006 GMC Sierra 1500 Engine cooling Problems

Complaints
3about this part
Share
2%of 145 total for the year
Median mileage
7,600miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 3 complaints about the engine cooling of the 2006 GMC Sierra 1500, 2% of the 145 complaints for this model year. Where a mileage was given, the median is 7,600 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.

“4.3 engine started shaking for not apparent reason, mileage at incident 10,000 miles. Engine RPM's would go up & down at idle & rough idle it did this for a couple of days. Engine shook violently and jerked. The vehicle stopped running would not turn on. Vehicle towed to dealer. Dealer had to replace ECM (computer) & crank shaft sensor. Vehicle after two weeks is now rough idle at times at start up & RPM's at idle still vary at times. Vehicle taken in to dealer and tech stated no hidden codes vehicle checked out okay according to dealer???”

NHTSA complaint #10176550, filed 2006-12, 10,000 miles

“The contact owns a 2006 Gmc SIERRA 1500. While driving approximately 40 MPH, the contact heard a squeaking noise coming from the front end of the vehicle. The blower motor stopped working. The vehicle was driven to the dealer and they stated that the resistor for the fan motor overheated and fused with the wiring harness. The vehicle was repaired. The manufacturer was not notified. The VIN was unknown. The current mileage was 6,422 and failure mileage was 6,000.”

NHTSA complaint #10249377, filed 2008-11, 6,000 miles

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 2006 GMC Sierra 1500

Brakes
67 complaints
Electrical system
20 complaints
Transmission and drivetrain
13 complaints
Suspension
11 complaints
Air bags
9 complaints
Body and structure
9 complaints
Fuel system
8 complaints
Tires
7 complaints
Steering
6 complaints
Wheels
6 complaints
Engine
5 complaints
Exterior lighting
5 complaints

← All problems reported for the 2006 GMC Sierra 1500

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 29, 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