International: horton 12THX vmaster ultra viscous fan drive troubleshooting guide. horton vmaster is a...
International technical service bulletin TSB-0900025-5 for 2003 International International and 2001 International Harvester International.
- Bulletin number
- TSB-0900025-5
- Component
- Engine and engine cooling: cooling system: fan
- Summary
- 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.
Vehicles covered
VIN decoder
See the problems and recalls for an exact car
Buying a used International International?
Check the exact car before you pay: accidents, salvage or flood titles, odometer readings and previous owners.
Check its history