NHTSA’s Office of Defects Investigation opened these reviews into vehicles including this one.
Brake light switch failure
EA91038Opened Aug 30, 1991Closed May 29, 1992
There is no summary currently available
Lower ball joint failure
PE89132Opened Jun 21, 1989Closed Oct 16, 1989
Summary:eight consumers and one fleet manager report premature lowerball joint wear.allegedly two accidents have resulted.subjectvehicles are equipped with maintenance free ball joints.===
Brake lamp switch
PE89116Opened Apr 12, 1989Closed Jul 5, 1989
Summary:truck service bulletin outlined procedures for adjustment ofstop lamp switch.other manufacturers have taken more formal action tocorrect misadjusted/failed brake lamp switches.===
Service bulletins
Technical service bulletins and other communications the manufacturer sent dealers about this vehicle. Ask a dealer for the full document by its number.
616349Some owners may comment on high oil consumption after a gm goodwrench remanufactured 4.3L V6 engine IS installed.
609743General motors began providing child restrain seat top tether hardware packages to customers in the united states who requested them.
609709Subject regarding a hard, no start or excessive gray or white smoke condition on start up after recent glow plug replacement.
602827Complaints that four wheel drive does not engage after installation of the updated four wheel drive fast actuator.
602772Concerns that the colder the outside temperature IS, the longer it takes for the front axle to engage when 4 wheel drive IS selected, or the front axle does not engage.
52348Slow or no engagement of front axle when 4 wd IS selected (replace front axle actuator).
50569Transfer case hops out of 4-high, or no drive in 2 or 4-high ranges and/or grinding noise (install mainshaft/range hub kit)
37952Transfer case hops out of 4-LOW.
Every GMC K Series model year
Bars are owner complaints, dots mark years with recalls. Select a year to open its report.