Bus developed a crack on the right side behind the front shock absorbers. Cause of the crack was undetermined.
The worst 1991 International Harvester School Bus problems
Ranked by number of owner complaints. Mileage and cost come from what owners wrote.
- Transmission2
- Body1
- Electrical1
- Engine1
- Suspension1
Problems by type
Tap a problem to see which part fails, at what mileage and in which other years.
- Transmission2
- Body1
- Electrical1
- Engine1
- Suspension1
Recalls
No recalls on record for this model year.
What 1991 International Harvester School Bus owners say
Most recent owner complaints, unedited.
Front turbine shaft failed.(qcaw)
Front turbine shaft failed.
Allison transmission torque converter failed, causing loss of power to drive axle. (1st vehicle on 502756 & 502757)
Drawstring caught in bus handrail.
Wires to fuel shut-off switch caught fire.
Compare the 1991 International Harvester School Bus
Other model years
Questions about the 1991 International Harvester School Bus
Is the 1991 International Harvester School Bus reliable?
Owners have filed 6 complaints about the 1991 International Harvester School Bus, close to a typical School Bus model year.
What is the most common problem with the 1991 International Harvester School Bus?
Transmission and drivetrain, with 2 complaints. Next is body (1).
How many recalls does the 1991 International Harvester School Bus have?
No recalls on record.
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