# Service bulletin TSB\-0900025\-5

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

- Type: Service bulletin
- NHTSA id: 10030829
- Published by NHTSA: 2009\-12\-08
- Manufacturer's number: TSB\-0900025\-5
- Manufacturer's date: 2010\-12\-20
- NHTSA component: ENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN

## NHTSA's 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. \*PE UPDATED 6/3/11. \*PE

## The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

## Components

Engine, Cooling fan, Cooling system

## Vehicles listed

- 2003 INTERNATIONAL INTERNATIONAL
- 2001 INTERNATIONAL HARVESTER INTERNATIONAL

JSON: [/v1/bulletins/10030829](/v1/bulletins/10030829)

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