The 1991 Chevrolet K20 has 2 NHTSA recall campaigns affecting an estimated 2,044,244 vehicles. Recall repairs are always free at any authorized dealer. Owners have filed 3 complaints with NHTSA, most often about the electrical system. Last updated July 5, 2026.
Recall campaigns
SERVICE BRAKES, HYDRAULIC93V1190001993-08-02341,364 affected
Defect
SEVERE CORROSION DUE TO ROAD SALT AT THE JOINT OF THE STAMPED STEEL CENTER SECTION AND THE CAST OUTER SECTION CAN CAUSE THE SECTIONS TO SEPARATE.
Consequence
SEPARATION OF THE ROTOR SECTIONS CAN CAUSE LOSS OFBRAKING ABILITY IN THE AFFECTED WHEEL. THIS COULD RESULT IN INCREASED STOPPINGDISTANCE AND/OR LOSS OF VEHICLE CONTROL AND AN ACCIDENT.
Remedy
REPLACE THE FRONT BRAKE ROTORS WITH NEW ROTORS WITH A CORROSION PROTECTION COATING. HOWEVER, IF REPLACEMENT OF BRAKE LININGS ARE NECESSARY, IT WILL BE DONE AT OWNER'S EXPENSE SINCE BRAKE LININGS ARE NORMAL MAINTENANCE ITEMS.
POWER TRAIN93V0160001993-02-011,702,880 affected
Defect
UNANTICIPATED HEAT IN THE TRANSMISSION CAN FORCE THE TRANSMISSION FLUID OUT OF THE VENT TUBE.
Consequence
THE VENTED TRANSMISSION FLUID CAN CATCH FIRE IF EXPOSEDTO A SOURCE OF IGNITION.
Remedy
INSTALL A LONGER TRANSMISSION VENT HOSE ROUTED TO THE LEFT SIDE OF THE ENGINE COMPARTMENT OF THE VEHICLE.
Complaints by component
ELECTRICAL SYSTEM:STARTER ASSEMBLY
1
POWER TRAIN:AUTOMATIC TRANSMISSION
1
POWER TRAIN:AUTOMATIC TRANSMISSION:LEVER AND LINKAGE:COLUMN SHIFT
1
Total complaints3
What owners report
Verbatim reports filed with NHTSA, lightly edited for readability and with personal
information removed.
“Electrical system failure, starter on vehicle has failed, unable to start vehicle. Tt”
“Automatic transmission failure, replaced three times. Tt”
“While in four wheel drive, vehicle jumps, bumps, and grinds, factory made a mistake and put two different gears in truck, however consumer will be charged for repairs. *slc”
Defect investigations
InvestigationEA92041 Opened 1992-12-08 · closed 1995-03-09
FUEL SYSTEM INTEGRITY
There is no summary currently available
InvestigationEA94029 Opened 1994-07-29 · closed 1996-07-31
ENGINE COMPARTMENT FIRES
AN ALLEGED MALFUNCTION IN THE ATLERNATOR RESULTING IN ENGINE COMPARTMET FIRES.
InvestigationPE93089 Opened 1993-10-08 · closed 1994-02-10
Recall, complaint, and investigation records from official NHTSA datasets (FLAT_RCL,
FLAT_CMPL, FLAT_INV), synced weekly. Counts reflect NHTSA records for the 1991 Chevrolet K20 as of
July 5, 2026. Complaint narratives are consumer-submitted and unverified. This page
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