The worst 1990 Oshkosh S-Series problems
Ranked by number of owner complaints. Mileage and cost come from what owners wrote.
Problems by type
Tap a problem to see which part fails, at what mileage and in which other years.
Recalls 1
Structure
- What is wrong
- Step tread was designed with an upturned edge. Also, incorrect bolts were used to attach the steps to vehicle; incorrect bolts may fatigue and break allowing the steps to separate from cab.
- Risk
- Persons exiting the cab can trip and fall on upturnededges. Also, fatigue or broken bolts could cause the steps to break away at thetime that a person is entering or exiting the vehicles.
- Remedy
- Replace incorrectly designed steps, replace incorrect bolts.
Recall number 91V089000 · Recall details
Technical service bulletins for the 1990 Oshkosh S-Series 8
Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.
- This bulletin provides instruction for installing a hydraulic system charge pump filter.
- This bulletin provides information on updating hydraulic hose clamping below the cab to match current...
- This bulletin provides instruction for replacing the water pump impeller due to corrosion
- This bulletin provides information for vehicle owners that have a Dana series 172 or 175 rear axle without...
- This bulletin provides instruction for replacing the mixer pump PTO shaft, mixer pump input yoke, and...
- This bulletin provides instructions for bolting the water tank mounting feet to the water tank if the...
- This bulletin provides instruction for checking electrical connections at various critical locations
- This bulletin provides instruction on replacing the frame ground stud nut located at the rear of the...
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Questions about the 1990 Oshkosh S-Series
Is the 1990 Oshkosh S-Series reliable?
Owners have filed 0 complaints about the 1990 Oshkosh S-Series.
What is the most common problem with the 1990 Oshkosh S-Series?
There are not enough complaints to tell.
How many recalls does the 1990 Oshkosh S-Series have?
1 recall, covering structure.
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