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1991 OSHKOSH S SERIES

2 recalls, 0 complaints - 8 TSBs

92V171000 Nov 24, 1992
STRUCTURE:BODY
Defect Description
THE STAINLESS STEEL FASTENERS FOR THE CAB ENTRY STEPS AND GRAB HANDLES CAN CRACK AND BREAK.
Consequence
THE STEPS AND GRAB HANDLES CAN SEPARATE FROM THE TRUCKBODY UNDER LOAD FROM CAB OCCUPANTS ENTERING OR EXITING THE CAB, WHICH COULDRESULT IN AN INJURY TO USERS.
Remedy
REPLACE THE STEP AND GRAB HANDLE STAINLESS STEEL FASTENERS WITH GRADE 5 ZINC AND YELLOW COATED FASTENERS. OSHKOSH WILL SEND THE REPLACEMENT FASTENERS TO OWNERS WITH THE NOTIFICATION LETTERS. OWNERS WILL BE REQUESTED TO REPLACE THE FASTENERS ON THEIR VEHICLES, AND WILL BE REIMBURSED FOR THE LABOR TO ... Read more
216 vehicles affected
Manufacturer: OSHKOSH TRUCK CORPORATION
91V194000 Nov 4, 1991
SERVICE BRAKES, AIR:ANTILOCK
Defect Description
THE REAR TANDEM AXLE BRAKES DO NOT MEET THE SERVICE BRAKE APPLICATION TIME REQUIREMENTS OF FMVSS 121.
Consequence
FAILURE TO MEET STANDARDS OF FMVSS 121 INCREASES BRAKINGDISTANCE AND INCREASES THE POSSIBILITY OF AN ACCIDENT.
Remedy
THE O.625 INCH NYLON AIR TUBING BETWEEN THE CHASSIS AIR MANIFOLD AND THE TANDEM SERVICE RELAY WILL BE REPLACED WITH .75 INCH NYLON TUBING, WHICH WILL ALLOW BRAKE SYSTEM TO MEET THE SERVICE BRAKE APPLICATION TIME REQUIREMENTS OF FMVSS 121.
104 vehicles affected
Manufacturer: OSHKOSH TRUCK CORPORATION

No complaints found for this vehicle.

Technical Service Bulletins, 1991 OSHKOSH S SERIES

8 manufacturer communications from 8 unique bulletins. TSBs describe known problems and recommended fixes from the manufacturer.

Most Affected Components

ComponentBulletins
350000 EQUIPMENT3
110000 ELECTRICAL SYSTEM2
100000 POWER TRAIN2
092300 FUEL SYSTEM, OTHER:FUEL FILTER1
FDM-SVC-030 Oct 3, 2023
092300 FUEL SYSTEM, OTHER:FUEL FILTER
This bulletin provides instruction for installing a hydraulic system charge pump filter.
FDM-TSIB-043 Jul 24, 2023
350000 EQUIPMENT
This 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 cha
FDM-SVC-002 Jun 28, 2021
350000 EQUIPMENT
This 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
FDM-TSIB-027 Jun 23, 2021
100000 POWER TRAIN
This 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.
FDM-TSIB-026 Jun 16, 2021
100000 POWER TRAIN
This 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 r
FDM-TSIB-025 Jun 14, 2021
350000 EQUIPMENT
This bulletin provides instructions for bolting the water tank mounting feet to the water tank if the bonded feet become loose.
FDM-TSIB-024 May 12, 2021
110000 ELECTRICAL SYSTEM
This bulletin provides instruction for checking electrical connections at various critical locations. Loose electrical connections can cause false readings and lead to electrical system errors.
FDM-TSIB-023 May 4, 2021
110000 ELECTRICAL SYSTEM
This 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

OSHKOSH S SERIES - All Years Overview

Complete safety history for the OSHKOSH S SERIES across all model years (1978, 2000).

33 Total Recalls
1 Total Complaints
0 Investigations
0 Reported Crashes
0 Reported Fires
1 Reported Deaths

OSHKOSH S SERIES - Year by Year

Compare recalls and complaints across model years. Click any year to see full details.

Year Recalls Complaints
2000 1 1 View
1999 1 0 View
1998 1 0 View
1997 1 0 View
1995 1 0 View
1994 1 0 View
1993 1 0 View
1992 1 0 View
1991 (current) 2 0
1990 1 0 View
1989 1 0 View
1988 2 0 View
1987 2 0 View
1986 2 0 View
1985 3 0 View
1984 4 0 View
1983 3 0 View
1982 1 0 View
1981 1 0 View
1980 1 0 View
1979 1 0 View
1978 1 0 View

Other OSHKOSH Models

Model Recalls Complaints
B SERIES 25 0 View
F SERIES 21 0 View
V715 16 0 View
V917 14 0 View
F 10 0 View
NGDV 10 0 View
M LINE 9 2 View
MB 9 0 View