IllustrationRECENTLY PURCHASED A 05 GMC SIERRA 1500 HD WITH 6.0 VORTEC ENGINE. IT HAS A NOTICEABLE TICKING AND AFTER CHECKING MY EXHAUST MANIFOLD BOLTS I FOUND THAT FOUR ARE BROKEN AND ALLOWING RAW EXHAUST FUMES INTO THE AIR. WITH THE BOLTS BREAKING THE MANIFOLD IS WARPED AND BROKEN. THIS IS ALL AT 94,000 MILES.
2005 GMC Sierra 1500 Hd
Owner reports · Recalls · Investigations
Limited comparison data
There is not enough comparable history to draw a useful model-year comparison.
About this comparison →How this year compares
Owner complaints by model year
Compare all Sierra 1500 Hd years →Counts vary with age, sales and reporting. They are not failure rates.
What owners reported most
All reported categories
Tap a category to read its complaints. One report may name several components.
When problems were reported
Mileage at the reported incident
Limited mileage data: 11 of 11 reports include usable mileage. There isn’t enough coverage to show a useful chart.
NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.
What to inspect
Issues worth paying extra attention to based on owner reports.
- Service Brakes. Review the 5 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Engine. Review the 2 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Electrical System. Review the 1 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
NHTSA owner reports · September 18, 2026 snapshot.
0 crash reports1 fire reports0 injury reports
Engine complaints
2 reportsTL* THE CONTACT OWNS A 2005 GMC SIERRA 1500 HD. THE CONTACT STATED THAT THE FLYWHEEL BECAME CRACKED. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC FOR DIAGNOSIS WHERE IT WAS STATED THAT THE FLYWHEEL NEEDED TO BE REPLACED. THE VEHICLE WAS REPAIRED BUT THE PROBLEM PERSISTED. THE MANUFACTURER WAS NOTIFIED. THE APPROXIMATE FAILUR…
Read full complaint
TL* THE CONTACT OWNS A 2005 GMC SIERRA 1500 HD. THE CONTACT STATED THAT THE FLYWHEEL BECAME CRACKED. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC FOR DIAGNOSIS WHERE IT WAS STATED THAT THE FLYWHEEL NEEDED TO BE REPLACED. THE VEHICLE WAS REPAIRED BUT THE PROBLEM PERSISTED. THE MANUFACTURER WAS NOTIFIED. THE APPROXIMATE FAILURE MILEAGE WAS 20,000. *TR
Official recalls
0No recalls in this snapshot.
Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗
NHTSA investigations
0No exact-year investigations in this snapshot.