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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.

Counts are not adjusted for sales, age, mileage exposure or reporting. A lower count does not establish that a car is problem-free.

About this comparison →
4Owner complaints

Model-year median: 1

0Recall campaigns

View recall details →

3Investigations

View investigation details →

Check a VIN with NHTSA ↗ Model-level counts do not show whether a particular VIN is affected or repaired.

Inspection summary

1984 Chevrolet C20

NHTSA snapshot: September 18, 2026. 4 owner complaints · 0 recall campaigns · 3 investigations.

Counts are not failure probabilities and are not adjusted for sales, age, mileage exposure or reporting. One report may name several categories. Comparison method and limitations.

Top reported categories (up to 5)

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

Full reported-category list and vehicle report

Recall links

    No recall campaigns in this snapshot.

    Check a VIN with NHTSA. Model-level history does not establish whether a particular VIN is affected or repaired.

    Print the top reported categories, recall links, snapshot date and comparison limits.

    How this year compares

    Owner complaints by model year

    Other model years Selected year
    1
    1981    1
    1982    1
    1983    4
    1984    2
    1985    0
    1986    3
    1987
    Compare all C20 years →

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

    What owners reported most

    Electrical System
    1    Fuel System, Gasoline
    1    Power Train
    1    Service Brakes, Hydraulic
    1    Tires
    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
    Clear category filter
    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…

    Read full complaint

    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

    Recall campaigns

    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 ↗

    Defect 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.===

    An investigation is not a finding of a defect, and closure does not prove a vehicle is problem-free.