IllustrationUNIROYAL LAREDO TIRE BLEW OUT, CAUSING THE TREAD TO COMPLETLEY SEPARATE AND FLY OFF THE TIRE BASE. (23585R16)
1985 Chevrolet K20
Owner reports · Recalls · Investigations
Limited comparison data
There is not enough comparable history to draw a useful model-year comparison.
About this comparison →How this year compares
Owner complaints by model year
Compare all K20 years →Counts vary with age, sales and reporting. They are not failure rates.
What owners reported most
Tap a category to read its complaints. One report may name several components.
When problems were reported
Mileage at the reported incident
Limited mileage data: 0 of 1 reports include usable mileage. There isn’t enough coverage to show a useful chart.
NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.
What to inspect
Issues worth paying extra attention to based on owner reports.
- Tires. Review the 1 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
NHTSA owner reports · September 18, 2026 snapshot.
0 crash reports0 fire reports0 injury reports
Tires complaints
1 reportsOfficial recalls
0No recalls in this snapshot.
Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗
NHTSA investigations
4EA92041 · Fuel System Integrity
Opened Dec 8, 1992 · Closed Mar 9, 1995
Status: closed (inferred from source dates) · Fuel System, Gasoline:storage:tank Assembly
There is no summary currently available
EA88016 · High Temp & Fuel Exp
Opened Jan 19, 1988 · Closed Jun 30, 1988
Status: closed (inferred from source dates) · Vehicle Speed Control:linkages
There is no summary currently available
PE88016 · Exhaust Manifold Leaks
Opened Jan 14, 1988 · Closed Mar 31, 1988
Status: closed (inferred from source dates) · Vehicle Speed Control:linkages
SUMMARY:SOME 1981-86 TRUCKS WITH 7.4L ENGINES AND CAST IRON EXHAUSTMANIFOLDS MAY EXPERIENCE A CONDITION WHERE AN EXHAUST LEAK DEVELOPSBETWEEN THE MANIFOLD AND THE CYLINDER HEAD MATING SURFACE CAUSING A NOISECONDITION. MOST OF THE REPORTS (AND ALL OF THE INJURIES AND THEMANIFOLD FIRE) ARE FROM THE P30 MOTORHOME CHASSIS.GM STATES THAT A WARPEDOR CRACKED MANIFOLD WOULD PERMIT SMALL AMOUNTS OF EXHAUST GAS LEAKAGEGENERALLY RESULTING IN NOTICEABLE NOISE AND FUMES.THE EXHAUST MANIFOLDSARE SUSCEPTIBLE TO EXTREME HEAT CONDITIONS (SUCH AS OPERATING UNDER SEVEREENGINE/VEHICULAR LOAD CONDITIONS AND HIGH AMBIENT TEMPERATURES).THEMOTORHOME APPLICATION IS PARTICULARLY SUSCEPTIBLE TO THIS ALLEGED DEFECTSINCE THE VEHICLE IS NEARLY ALWAYS AT OR NEAR THE GVWR OF THE VEHICLE.THEFEW NUMBER OF REPORTS RECEIVED BY ODI FOR A PROBLEM WHICH BEGAN 8 YEARS AGOSUGGESTS THAT THE DEFECT EITHER OCCURS INFREQUENTLY OR IS NOT PERCEIVED ASA SIGNIFICANT SAFETY HAZARD.THE SERVICE BULLETIN WAS ISSUED TO IDENTIFYTHE HIGH TEMPERATURE PROBLEM AND PROVIDE A REMEDY AGAINST REOCCURRENCE.===
PE87043 · Exhaust System Heat
Opened Aug 7, 1987 · Closed Jan 14, 1988
Status: closed (inferred from source dates) · Vehicle Speed Control:linkages
SUMMARY OF INFORMATION FROM MANUFACTURER:ANALYSIS OF THE 65 COMPLAINTSFORWARDED BY GM ON THIS ISSUE REVEALS THAT 15 OF THE COMPLAINTS MAY BESAFETY RELATED.COMPLAINTS IDENTIFYING THE PROBLEM AS A RED HOT EXHAUSTSYSTEM OR MUFFLER FAILURE WERE NOT COUNTED.GM ALSO INCLUDED NUMEROUSCOMPLAINTS PERTAINING TO FUEL EXPULSION IN THE MOTOR HOME CHASSIS.THEYWERE NOT COUNTED SINCE THAT PROBLEM IS ALREADY UNDER INVESTIGATION.CONCERNING BRUSH FIRES RESULTING FROM THE HIGH EXHAUST TEMPERATURES, GMSTATESOUR FIELD EXPERIENCE, AS EVIDENCED BY THE LOW NUMBER OF REPORTSPERTAINING TO THE EXHAUST TEMPERATURE, INDICATES TO US THAT OUR CUSTOMERSARE OBSERVING THE PRECAUTIONS CONTAINED IN OUR OWNER'S MANUAL AND AREEXERCISING THE NECESSARY PRECAUTIONS.ANALYSIS:THE ALLEGED DEFECT ORIGINATES WITH THE GENERATION OF HEAT IN THEEXHAUST SYSTEM.HIGHER EXHAUST TEMPERATURES ARE OCCURRING AS A RESULT OFSTRINGENT ENVIRONMENTAL PROTECTION AGENCY (EPA) REQUIREMENTS WHICH WENTINTO EFFECT IN 1985 FOR VEHICLES WITH A GVW IN EXCESS OF 8,500 LBS.THEHIGHER EXHAUST TEMPERATURES CAN LEAD TO EXCESSIVE UNDERBODY TEMPERATURESWHICH MAY RESULT IN FUEL SYSTEM PRESSURIZATION AND A HIGHER POTENTIAL FORTHE EXPULSION OF LIQUID FUEL UPON REMOVAL OF THE FUEL TANK FILLER CAP.INADDITION, OTHER SIDE EFFECTS SUCH AS SMOLDERING ITEMS IN PICK UP BEDS,BURNT TIRES AND MUDFLAPS HAVE BEEN REPORTED.PROPOSED ACTION:UPGRADE THIS PE TO AN EA.SINCE SOME MODELS ARE ALREADYBEING INVESTIGATED, AND COMPLAINT DATA IS SPARSE ON OTHER MODELS, THE NEWEA SHOULD BE DIRECTED ONLY TO VEHICLE MODELS C AND K WHICH UTILIZE THEHEAVY DUTY (VEHICLES WITH A GVW IN EXCESS OF 8,500 LBS) EMISSION SYSTEM.===