NHTSA service bulletin

NHTSA Service Bulletin 10030829: 2001, 2003 International International

Official manufacturer communication context for 2001, 2003 International International, with affected products, buyer checks and links into Carchieve recall, problem and VIN research.

NHTSA service bulletin 10030829 summary graphic for 2001, 2003 International International
10030829NHTSA document ID
Manufacturer communicationcommunication type
2affected product rows
90/100quality score

Reviewed June 2026 from NHTSA manufacturer communication and service bulletin records. Carchieve is independent and not affiliated with any vehicle manufacturer or government agency.

Quick answer

INTERNATIONAL: HORTON 12THX VMASTER ULTRA VISCOUS FAN DRIVE TROUBLESHOOTING GUIDE. HORTON VMASTER IS A VARIABLE SPEED DRIVE. IT DOES NOT FUNCTION LIKE AN ON/OFF DRIVE. EVEN WHEN THE DRIVE IS OFF, THE FAN WILL SPIN BETWEEN 50-300 RPM. WHEN DRIVE IS COMMANDED OFF BY ECU, FAN SPEED SHOULD BE 50 TO 300RPM. WHEN DRIVE IS COMMANDED ON BY ECU, FAN SPEED SHOULD BE APPROXIMATELY 125% OF THE ENGINE SPEED. NO MODEL OR MODEL YEARS LISTED. *PE UPDATED 6/3/11. *PE

What this bulletin may mean before buying

Treat this as service research, not a verdict on one car. Before you buy, compare this communication with official recall campaigns, model-level owner complaint patterns, and the exact vehicle’s VIN-decoded specifications. A bulletin can help you ask a seller or dealer sharper questions about software updates, known repairs, warranty extensions and service history.

Affected products listed in this communication

MakeModelModel yearsBuyer note
International HarvesterInternational2001Ask for service records and run the exact VIN before purchase.
InternationalInternational2003Ask for service records and run the exact VIN before purchase.

Buyer checklist

  1. Run the 17-character VIN and confirm the year, make, model, engine and equipment match the listing.
  2. Check recall campaign pages for safety actions that may require dealer repair.
  3. Compare this bulletin with common problem pages for the same model and component area.
  4. Ask the seller or dealer whether the bulletin procedure, update or inspection has already been completed.
  5. Use the used-car buying checklist and get an independent inspection.

Frequently asked questions

What is NHTSA service bulletin 10030829?

INTERNATIONAL: HORTON 12THX VMASTER ULTRA VISCOUS FAN DRIVE TROUBLESHOOTING GUIDE. HORTON VMASTER IS A VARIABLE SPEED DRIVE. IT DOES NOT FUNCTION LIKE AN ON/OFF DRIVE. EVEN WHEN THE DRIVE IS OFF, THE FAN WILL SPIN BETWEEN 50-300 RPM. WHEN DRIVE IS COMMANDED OFF BY ECU, FAN SPEED SHOULD BE 50 TO 300RPM. WHEN DRIVE IS COMMANDED ON BY ECU, FAN SPEED SHOULD BE APPROXIMATELY 125% OF THE ENGINE SPEED. NO MODEL OR MODEL.

Is a service bulletin the same as a recall?

No. A recall is a safety campaign with a required remedy for affected VINs. A service bulletin or manufacturer communication usually describes diagnostic, repair, software, warranty or service information.

How should a used-car buyer use this bulletin?

Use it as a research signal. Compare it with recalls, owner complaints, service records, a VIN report and an independent inspection before buying.

Check the exact VIN before you buy

Model-level pages show public safety patterns. A full VIN report helps confirm the exact vehicle, decoded specs, recall applicability and buyer checks.

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