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SuspensionPart report

1999 GMC Sierra 1500 Suspension Problems

Complaints
7about this part
Share
4%of 158 total for the year
Median mileage
150,000miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 7 complaints about the suspension of the 1999 GMC Sierra 1500, 4% of the 158 complaints for this model year. Where a mileage was given, the median is 150,000 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.

“I have severe frame rust to the point where the frame has a crack halfway around it near the rear suspension. The factory mounted tow hitch literally broke completely off of the frame due to the amount of rust that was built up around the welds while I was towing my camper, luckily I had just made it home from a trip from camping when this occurred. …”

NHTSA complaint #10456746, filed 2012-04, 180,000 miles

“Coming to a stop sign I applied the brakes and they completely failed without warning; no lights or indication failure was imminent. The pedal went to the floor with no resistance. Managed to turn onto a dirt shoulder and downshift to stop. Inspection revealed rusted through rear brake line. Although the dash brake warning light comes on while starting the truck, it goes off and gives no indication the brake fluid is low. While repairing the brake lines it was noticed the frame of the truck is extremely rusty and flaking. …”

NHTSA complaint #10650532, filed 2014-10, 150,000 miles

“The contact 1999 Gmc SIERRA 1500. While driving 10 MPH the brakes were applied but the vehicle did not stop until repeated pressure and the emergency brake was applied. The vehicle was taken to an authorized Gmc dealer and the left front hub assembly was replaced. The failure did not recur. The failure mileage was 59,617 and the current mileage was 127,000.”

NHTSA complaint #10325956, filed 2010-04, 59,617 miles

“1. When going over minor bumps consumer can hear rear leaf springs hit against each other, metal to metal sound; 2. When accelerating, consumer can hear a valve noise.”

NHTSA complaint #863309, filed 2000-06

“The contact owns a 1999 Gmc SIERRA 1500. The contact stated that the wheels locked up and the vehicle wobbles severely. The dealer changed the hub and the wheel bearing. The speed and failure mileage were unknown. The current mileage was 210,000.”

NHTSA complaint #10201104, filed 2007-08

Related service bulletins

Suspension: other model years

YearComplaintsShare of year
202611%
202522%
202431%
202331%
202220%
2021102%
2020184%
2019102%
2018114%
201782%
2016154%
2015172%
2014243%
2013109%
201244%
201193%
201032%
200942%
200831%
200793%
2006118%
200553%
200442%
200321%
200295%
200111%
200063%
199974%
199812%
199767%

Other parts of the 1999 GMC Sierra 1500

Brakes
103 complaints
Seats
10 complaints
Body and structure
9 complaints
Electrical system
8 complaints
Fuel system
7 complaints
Engine cooling
6 complaints
Other or unknown
6 complaints
Steering
4 complaints
Seat belts
3 complaints
Tires
3 complaints
Air bags
2 complaints
Transmission and drivetrain
2 complaints

← All problems reported for the 1999 GMC Sierra 1500

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Nov 1, 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