1998 Oshkosh S Series
Safety record from NHTSA: recalls, owner complaints, investigations and service bulletins.
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Vehicles › Oshkosh › S Series › 1998
These records cover every 1998 Oshkosh S Series. To see whether one car still needs a recall repair, decode its VIN or check it with NHTSA.
Recalls
1 recall names the 1998 Oshkosh S Series. Newest first.
Vehicle description: front discharge concrete carriers with 6- or 8-wheel drive designed to operate off-road in difficult soils and terrain that are beyond the capability of conventional rear discharge concrete trucks. the frame rail flange impinged on the head of one or more lockbolts which attach the angle iron rear pedestal support bracket to the frame.
Risk and remedy
Risk
Bolt head impingment can cause the pedestal bolt retnetion system to lose the specified clamp load causing the concrete drum to separate from the truck chassis, increasing the risk of serious injury or death.
Remedy
Owners have been advised to immediately check all bolts on the rear pedestals. if any one horizontal lockbolt IS loose or missing, to immediately replace the loose lockbolt. oshkosh IS providing replacement kits with instructions and has authorized labor reimbursement. owners were called beginning december 10, 2000, to advise them of this problem. an owner notification letter was sent to each customer on december 15, 2001, to customers who had not replied to the initial communication. owners should contact oshkosh at 1-920-235-9151.
Service bulletins
Technical service bulletins and other communications the manufacturer sent dealers about this vehicle. Ask a dealer for the full document by its number.
- 10244977This bulletin provides instruction for installing a hydraulic system charge pump filter.
- 10240400This bulletin provides information on updating hydraulic hose clamping below the cab to match current production. Engineering recommends changing out the front STAUFF clamp using the following procedure. The second STAUFF clamp can be changed out using this procedure if desired.
- 10198993This bulletin provides information for vehicle owners that have a Dana series 172 or 175 rear axle without a lubricant drain plug in the bottom of the axle housing.
- 10198992This bulletin provides instruction for replacing the mixer pump PTO shaft, mixer pump input yoke, and mixer pump input yoke bearing U-bolts to the current production configuration. The new PTO shaft is larger with greaseable crosses and requires a new mixer pump input yoke and replacing the input yoke bearing U-bolts with bearing straps.
- 10198991This bulletin provides instructions for bolting the water tank mounting feet to the water tank if the bonded feet become loose.
- 10198990This bulletin provides instruction for replacing the water pump impeller due to corrosion. Oshkosh has received reports of non-working water pumps due to the pump impeller becoming corroded and seized, causing the pump not to spin. A new impeller made of an improved alloy was developed to eliminate corrosion issues.
- 10194921This bulletin provides instruction for checking electrical connections at various critical locations. Loose electrical connections can cause false readings and lead to electrical system errors.
- 10194920This bulletin provides instruction on replacing the frame ground stud nut located at the rear of the vehicle on the inside right-hand frame rail. Engineering has changed the nut from a jam nut to a lock nut after receiving reports of the jam nut being loose when inspected.
Every Oshkosh S Series model year
Bars are owner complaints, dots mark years with recalls. Select a year to open its report.