2006 GMC Sierra HD GMC Sierra HD 2006

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2006 GMC Sierra HD repairs by problem area

Engine (15%)

Transmission and Drivetrain (0%)

Brakes and Traction Control (23%)

Suspension and Steering (31%)

Electrical and Air Conditioning (23%)

Paint, Rust, Leaks, Rattles, and Trim (8%)

Other (0%)

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Chart based on 13 repairs.
See TSBs and recalls for the 2006 GMC Sierra HD.

2006 GMC Sierra HD

Engine not specified

119000 mi

US $60
abs sensor bad 
134500 mi

US $450
Hydro boost replacement 

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2006 GMC Sierra HD 4-door

turbocharged 8-cylinder diesel automatic 4WD

88100 mi

US $800
Brake line rusted out causing brakes to fail. Bleeder screws were also rusted so had to replace 2 calipers so the air could be bled out of system. 

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See TrueDelta's information for all GMC models.

2006 GMC Sierra HD Brake Problems

See our lemon odds and nada odds page to see vehicles with no repairs or vehicles with more than three repairs. To see how frequently 2006 GMC Sierra HD problems occur, check out our car reliability stats.