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1984 Chevrolet C20

Owner reports · Recalls · Investigations

Limited comparison data

There is not enough comparable history to draw a useful model-year comparison.

About this comparison →
4Owner complaints

Model-year median: 1

0Recall campaigns

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3Investigations

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How this year compares

Owner complaints by model year

Other model years Selected year
1
19811
19821
19834
19842
19850
19863
1987
Compare all C20 years →

Counts vary with age, sales and reporting. They are not failure rates.

What owners reported most

Electrical System
1Fuel System, Gasoline
1Power Train
1Service Brakes, Hydraulic
1Tires
1

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: 1 of 4 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.

  • Electrical System. Review the 1 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Fuel System, Gasoline. Review the 1 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Power Train. 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 reports1 fire reports1 injury reports

Power Train complaints

1 reports
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Mileage unknown · Apr 7, 2000
Power TrainService Brakes, HydraulicInjury

FRONT SEAL LEAK CAUSED CAR TO NOT GO FORWARD OR BACKWARD. TOOK TO MECHANIC, AND THEY REBUILT THE TRANSMISSION. HAD TO HAVE IT REPLACED 3 TIMES. CONSUMER FELT IT WAS THE FLUID DEXTRON 3 THAT WAS CAUSING THE PROBLEM. DUE TO OVERHEATED TRANSMISSION, BRAKES NO LONGER FUNCTION CORRECTLY. BRAKELINE FOR REAR BRAKES IS INCHES FROM T…

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FRONT SEAL LEAK CAUSED CAR TO NOT GO FORWARD OR BACKWARD. TOOK TO MECHANIC, AND THEY REBUILT THE TRANSMISSION. HAD TO HAVE IT REPLACED 3 TIMES. CONSUMER FELT IT WAS THE FLUID DEXTRON 3 THAT WAS CAUSING THE PROBLEM. DUE TO OVERHEATED TRANSMISSION, BRAKES NO LONGER FUNCTION CORRECTLY. BRAKELINE FOR REAR BRAKES IS INCHES FROM TRANSMISSION DUE TO DEXTRON 3. *AK *ML

NHTSA ODI #859857

Official recalls

0

No 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

3

EA92041 · 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

EA88018 · Brake System

Opened Jan 20, 1988 · Closed May 31, 1991

Status: closed (inferred from source dates) · Service Brakes, Hydraulic

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.===