The 1999 GMC Sierra 3500 has 1 NHTSA recall campaign affecting an estimated 1,660 vehicles. Recall repairs are always free at any authorized dealer. Owners have filed 25 complaints with NHTSA, most often about the service brakes, hydraulic. Last updated July 5, 2026.
ON CERTAIN VANS EQUIPPED WITH SURE-LOK WHEELCHAIR SECUREMENT SYSTEMS, THE SPROCKET TEETH OF THE RETRACTOR ASSEMBLY IS OUT OF ALIGNMENT.
Consequence
IN THE EVENT OF A VEHICLE CRASH, THE WHEELCHAIR MAY NOT BE ADEQUATELY SECURED POSSIBLY RESULTING IN INJURIES TO A WHEELCHAIR OCCUPANT.
Remedy
DEALERS WILL INSPECT AND REPLACE THE WHEELCHAIR SECUREMENT RETRACTORS AS NECESSARY. SURE-LOK WILL HANDLE THE REPAIRS FOR THIS CAMPAIGN. OWNERS SHOULD CONTACT SURE-LOCK AT 1-908-231-1804 OR MOBILITYWORKS AT 1-800-769-8267.
Complaints by component
SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP
4
TIRES:TREAD/BELT
3
ELECTRICAL SYSTEM:WIRING
2
ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
2
SEATS
2
1crashes1injuries
SERVICE BRAKES
2
SERVICE BRAKES, HYDRAULIC
2
STRUCTURE:BODY:DOOR:HINGE AND ATTACHMENTS
2
1injuries
AIR BAGS
1
ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE
1
Total complaints25
What owners report
Verbatim reports filed with NHTSA, lightly edited for readability and with personal
information removed.
“I was driving in town closing in on an intersection as the light began to change red, two sedans were in front of me so I applied my brakes allowing plenty of time to stop when without warning the brake pedal sunk quickly to the floor and did not slow at all. I had to veer into the turn lane but…”
“Every hydraulic brake line on my 75,000-mile 1999 gmc 3500 pickup has rusted out, and had to be replaced. They all blew out when pedal pressure was applied...including one time, when I was backing up at the transfer station to unload trash. The entire truck could have gone back and fallen into the…”
“My 1999 gmc sierra 3500 crew cab was ordered new. I discovered later that it was fitted with a 1998 cab. The design is different and the front doors are longer and heavier resulting in premature hinge failures. I also discovered that it was not equipped with airbags because the 1998 version didn't…”
“My 1999 gmc sierra 3500 crew cab was ordered new. I discovered later that it was fitted with a 1998 cab. The design is different and the front doors are longer and heavier resulting in premature hinge failures. I also discovered that it was not equipped with airbags because the 1998 version didn't…”
“Fuel tank under negative pressure by apparent stuck valve caused fuel tank rupture. Happened twice. Gm engineers said no defect, apparently there is and no further communication would be provided. Fuel spilled out and was very dangerous, in my opinion. I am a degreed (msme) engineer. With an…”
“Dt: contact has 1999 gmc,. He had to replace the brake lines 6 times. The brake lines were corroded. When the brake pedal was pressed the brake line blew out. Contact lost the front brakes on 4 different occasions, and lost rear brakes only once. Vehicle has not been to a service dealer for…”
“Bought a 1999 gmc sierra 3500 4door 8ft. Bed with 30000 miles on it in 2001. First brake line rusted out in 2005. Second line from front to back rusted and broke 2008. Fuel line rusted and leaked gas all over my driveway 2010. Today that same truck? Is in a repair shop because the frame by the…”
“Bought a 1999 gmc sierra 3500 4door 8ft. Bed with 30000 miles on it in 2001. First brake line rusted out in 2005. Second line from front to back rusted and broke 2008. Fuel line rusted and leaked gas all over my driveway 2010. Today that same truck? Is in a repair shop because the frame by the…”
Recall, complaint, and investigation records from official NHTSA datasets (FLAT_RCL,
FLAT_CMPL, FLAT_INV), synced weekly. Counts reflect NHTSA records for the 1999 GMC Sierra 3500 as of
July 5, 2026. Complaint narratives are consumer-submitted and unverified. This page
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