There have been 2 technical service bulletins issued for the 1994 International Harvester 4000.
| Bulletin Date: | Aug. 1, 1995 |
| Component: | Manifold/header/muffler/tail pipe. |
| Bulletin Summary: | install a vertical tail pipe mounting bracket cab reinforcement. |
| Vehicles covered in this TSB: |
1994 International Harvester 4000,
1994 International Harvester 4270,
1994 International Harvester 4370,
1994 International Harvester 4700,
1994 International Harvester 4900,
1994 International Harvester International Harvester.
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| Bulletin Date: | Aug. 1, 1995 |
| Component: | Air conditioner. |
| Bulletin Summary: | there have been reports of 2000, 4000, and 8000 series vehicles that were built since December 5, 1994 that during ambient temperatures of 70 to 80 degrees fahrenheit that the air conditioning is shutting off. Once the ignition switch, or |
| Vehicles covered in this TSB: |
1994 International Harvester 2000,
1994 International Harvester 4000,
1994 International Harvester 8000.
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