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#BS-1986-INTSSE-6431

1986 International Harvester S Series

Based on reports from 0 owners and 4 recalls for this exact model.

Complaints
0
Crashes
0
Fires
0
Recalls
4
TSBs
0
✅

Preliminary Verdict

Green Light

Based on 0 complaints, 0 crashes, 0 fires, and 4 recalls.

See full verdict with buy/skip conditions

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30,000-Mile Cost Projection

Best Case

$X,XXX

Most Likely

$X,XXX

Worst Case

$X,XXX
Includes fuel costs, common repairs, and recall riskUnlock

Also in your report

Owner Intelligence

AI-synthesized themes from real complaints

Buyer Lot Checklist

Questions, test drive checks, walk-away triggers

Negotiation Talking Points

Data-backed dollar deductions

Buy / Skip Verdict

Final recommendation with conditions

10 sections total in the full reportUnlock all

Don't negotiate blind — know what this car costs to own

Repair costs • Negotiation scripts • Mechanic checklist • Buy/skip verdict

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Recall History (4 recalls)

86V046000Mar 1986

FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM

THE FUEL INJECTION PUMP THROTTLE SHAFT BUSHING MAY BE CONTAMINATED WITH A HEAT SENSITIVE LIQUID POLYMER WHICH CAN SOLIDIFY ON THE BUSHING AT NORMAL ENGINE OPERATING TEMPERATURE AND CAUSE THE THROTTLE TO STICK. CONSEQUENCE OF DEFECT: THROTTLE LEVER MAY STICK AND NOT RETURN TO LOW IDLE POSITION AFTER ACCELERATOR PEDAL IS RELEASED. THIS COULD RESULT IN LOSS OF VEHICLE CONTROL AND LEAD TO A VEHICLE CRASH WITHOUT PRIOR WARNING.

86V052000Apr 1986

SEAT BELTS:FRONT:ANCHORAGE

THE SEAT BELTS LOOSEN AS TRUCK IS DRIVEN. THE NON LOCKING RETRACTOR TAKES UP ANY BELT SLACK, GIVING FALSE IMPRESSION THAT THE BELT IS STILL TIGHT. CONSEQUENCE OF DEFECT: THE DEFECT CAN INCREASE THE POSSIBILITY OF INJURY TO THE BELT WEARER IN EVENT OF A VEHICLE CRASH.

86V085000Jul 1986

SERVICE BRAKES, AIR:SUPPLY:HOSES, LINES/PIPING, AND FITTINGS

TRUCK TRACTOR TO TRAILER HOSES INSTALLED ON THESE TRUCKS MAY NOT MEET ADHESION REQUIREMENTS OF FMVSS 106, HYDRAULIC BRAKE HOSES. THE HOSE OUTER COVER AND BRAID DID NOT WITH STAND TENSILE FORCE REQUIRED BY THE STANDARD. CONSEQUENCE OF DEFECT: THE HOSE MAY FAIL CAUSING PARTIAL LOSS OF BRAKING CAPABILITY WHICH COULD LEAD TO A CRASH IF ALL WARNINGS RELATED TO POSSIBLE HOSE FAILURE WERE TO GO UNHEEDED.

87V005000Feb 1987

ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR

ENGINE AND BRAKE BACKUP SYSTEM HAVE COMMON ELECTRICAL POWER SOURCE; ENGINE COULD DIE FROM ELECTRICAL FAILURE OF THE MAIN POWER FEED FROM THE ALTERNATOR.

Recall severity analysis & seller scripts

The full report rates each recall's severity and gives you scripts for asking the seller about recall completion.

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About this data

NHTSA Complaints

Federal database of owner-filed safety complaints. 0 records for this vehicle.

NHTSA Recalls

Manufacturer-issued safety recalls. 4 recalls found for this vehicle.

Repair Cost Data

Real-world repair costs from owner reports and independent databases.

Other International Harvester S Series Model Years

19881987198619851984198319821981198019791978197719761975
View all International Harvester S Series years →

1986 International Harvester S Series: Frequently Asked Questions

What is the most common problem with the 1986 International Harvester S Series?
Based on NHTSA data, the 1986 International Harvester S Series has 0 total complaints on file.
Is the 1986 International Harvester S Series reliable?
The 1986 International Harvester S Series has 0 complaints, 0 crash reports, and 0 fire reports filed with NHTSA. The full report analyzes whether these numbers indicate real risk or are proportional to the vehicle’s popularity.
How much does it cost to fix 1986 International Harvester S Series problems?
Repair costs vary by issue. The full BumperScan report includes detailed repair cost estimates (low/median/high) for every major issue, plus a 30,000-mile total cost of ownership projection.
Does the 1986 International Harvester S Series have any recalls?
Yes, the 1986 International Harvester S Series has 4 recalls on record. The full report includes recall severity analysis and scripts for asking the seller about recall completion.
What mileage do International Harvester S Series problems start?
Mileage data is limited for this vehicle. The full report analyzes available data to identify failure patterns by mileage range.
What’s in the full report?
10 sections of AI analysis: severity-ranked issues, component scores (0-100), 30K-mile cost projection, failure timeline by mileage, recall details with seller scripts, owner sentiment analysis, mechanic checklist, buyer lot checklist, negotiation ammo with dollar figures, and a buy/skip verdict.
How is this different from free NHTSA data?
NHTSA gives you raw complaint text. BumperScan cross-references 2.1M+ complaints with community repair cost data, EPA fuel data, and recall records — then uses AI to synthesize it into actionable advice with dollar figures.
How is this different from Carfax?
Carfax is VIN-specific history ($45/report). BumperScan is model-level reliability intelligence — what problems this car is known for, what they cost, and whether you should buy it. Complementary, not competing.
What if the report isn’t useful?
100% money-back guarantee. If the report doesn’t help you make a more informed decision, we’ll refund you — no questions asked.
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