1999 Gmc Gmc Truck problems, complaints & recalls
Most-reported problem areas: Service Brakes, Hydraulic:antilock/Traction Control/Electronic Limited Slip (5) · Service Brakes, Hydraulic:power Assist (2) · Wheels (1)
🧭 Reliability snapshot
Compared against other Gmc Gmc Truck model years — complaint volume vs the model's median year, recalls and severity. How we score →
Safety recalls (0)
No recalls on record for this model year (campaigns announced since 2010).
Service bulletins (7)
Technical service bulletins are repair instructions manufacturers send dealers for known issues. Unlike recalls, the fix is not automatically free — but naming the bulletin at the service desk can save diagnosis time and support goodwill repairs.
Steering:hydraulic Power Assist:pump 2009-08-01 · SB-06-02-32-013B · Service Bulletin/Repair Instructions
saab/hummer/gm: diagnostic tips/recommendations when power steering pump replacement is necessary. analysis of returned power steering (ps) pumps that had been replaced for noise, no power assist, no or low pressure and leaking conditions has indicated a high number of no trouble found results.
Power Train:automatic Transmission:cooling Unit And Lines 2002-12-12 · 121202 · Service Bulletin/Repair Instructions
new transmission oil cooling system flushing tool. 1998 and 2003 chevrolet and gmc medium duty trucks equipped with 4l80e automatic transmissions. *tt
Parking Brake 2001-05-01 · 010501 · Service Bulletin/Repair Instructions
information on low effort parking brake system on all 15 and 25 series full-size pick-ups and utility vehicles, 1999 through 2001. *tt
Engine And Engine Cooling:engine:gasoline 2000-01-01 · 000602001 · Service Bulletin/Repair Instructions
vehicles equipped with composite radiator end tank may exhibit an engine running hot, overheading and / or loss of coolant. *tt
Engine And Engine Cooling:engine:gasoline 1999-06-01 · NAS19990046 · Service Bulletin/Repair Instructions
some medium duty vehicles with 7.4l gas engines may intermittently experience a false engine overheat condition. *tt
Structure:body:door 1999-04-30 · 99107 · Service Bulletin/Repair Instructions
certain u-vans may exhibit the power sliding door not operating in power mode and / or almost fully closing then consistently reverses to the full open position. *tt
Showing the 6 most recent of 7 bulletins. Search all of them free at nhtsa.gov.
What owners report
No detailed complaint narratives on file.
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.