1999 GMC Z-71 Problems
Owner-reported complaints filed with NHTSA, grouped by component
Data refreshed
What this page shows
Everything below is an owner-reported complaint submitted to NHTSA about the 1999 GMC Z-71, grouped by the component NHTSA recorded on the report. These are not confirmed defects, and they are not recalls. NHTSA does not verify most reports before publishing them, and a category with more reports in it is not evidence that a part is defective.
Complaints are reports submitted by owners and drivers to NHTSA. They are not verified and do not establish that a defect exists.
Reports by component
Ranked by how many owner reports name each component category
- Brakes763.6%
- Visibility218.2%
- Body & structure19.1%
- Tires & wheels19.1%
Percentages are of component mentions. A single complaint can name more than one component, so these do not sum to the total complaint count.
Each component in detail
What the reports in each category say, in the owners' own words
Brakes
Reports naming service brakes, the antilock braking system, brake hoses, master cylinders or the parking brake.
From owner reports, verbatim
SPORADIC BRAKE FAILURE "LOCK UP" UPON SUDDEN BRAKING
WHILE BRAKING THE ANTILOCK BRAKES FAILED AND CAUSED EXTENDED STOPPING DISTANCES. THE CONSUMER PULLED THE VEHICLE OVER AND REMOVED THE ANTI LOCK BRAKE FUSE IN ORDER FOR THE ANTI LOCK BRAKES TO WORK PROPERLY. THE DEALERSHIP WAS NOTIFIED BUT THE PROBLEM WAS NOT RESOLVED. *NLM
Too few reports in this category for a page of its own — they appear in the full complaint list.
Visibility
Reports naming windshields, glass, wipers, defrosters and mirrors.
From owner reports, verbatim
THE ELECTRIC WINDOW DOES NOT WORK. WHEN INSPECTED IT WAS DETERMINED TO BE DUE TO THE CABLE. *AK *SC *JB
CONSUMER STATES THAT THE DRIVERS WINDOW DROP DOWN AND NOTICE THAT A BOLT WAS LOOSE ON THE GUIDE TRACK, AND A MONTH LATER THE PASSENGER SIDE WINDOW DROP DOWN. TS
Too few reports in this category for a page of its own — they appear in the full complaint list.
Body & structure
Reports naming the vehicle structure, frame, body panels, doors, hood and trim.
From owner reports, verbatim
THE MAIN FRAME OF THE TRUCK CRACKED OVER THE REAR AXLE ON BOTH SIDES. OWNER NOTICED THE FRAME WAS CRACKED WHILE CHANGING THE OIL. THE PROBLEM WAS REPORTED TO THE DEALERSHIP. PROBLEM HAS NOT BEEN CORRECTED. PLEASE PROVIDE ANY FURTHER DETAILS*AK.
Too few reports in this category for a page of its own — they appear in the full complaint list.
Tires & wheels
Reports naming tires, wheels, hubs, or the tire-pressure monitoring system.
From owner reports, verbatim
WHILE DRIVING, CONSUMER HEARD NOISE AND TEMPORARILY LOST CONTROL, RIGHT REAR FIRESTONE WILDERNESS AT TIRE P265/75R16 EXPERIENCED TREAD SEPARATION, DOT VN73. *SLC
Too few reports in this category for a page of its own — they appear in the full complaint list.
Higher-selling and older vehicles accumulate more reports. Counts are not failure rates and are not directly comparable between vehicles that sold in very different numbers.
Elsewhere on this vehicle
Data sources
- NHTSA Office of Defects Investigation — owner-reported complaints and the components recorded on them
Data on this page last refreshed .