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NHTSA safety investigation

NHTSA Investigation PE87059

Preliminary Evaluation · Winnebago Industries, Inc. · VEHICLE SPEED CONTROL:LINKAGES

ClosedPreliminary Evaluation

An investigation is not a finding that a defect exists.

NHTSA opens an investigation to examine whether a safety defect may exist. An open investigation is not a determination that a defect exists, and many investigations close without a recall. Investigations can, however, lead to one.

Model years namedModel years in our database that NHTSA associated with this inquiry. Being named in an investigation says nothing about whether an individual vehicle has any problem.
6
3 models
Opened
Sep 17, 1987
Preliminary Evaluation
Closed
Mar 18, 1988
No associated recall recorded

What NHTSA is examining

The agency's own description of the inquiry, quoted as published

DIESEL ENGINE RUNAWAY

ANALYSIS OF MANUFACTURER'S INFORMATION:THE TURBO DIESEL ENGINE ACCOUNTS FOR OVER 80% OF THE DIESEL EQUIPPED SUBJECT VEHICLES.WINNEBAGO STATES THAT POSITIVE CRANKCASE VENTILATION OBSTRUCTION, PARTIAL AIR FILTER OBSTRUCTION,OVERFILLING THE CRANKCASE, DEFECTIVE O RING SEAL IN THE BRAKE MASTER CYLINDER TO BRAKE BOOSTER JOINT, AND A DEFECTIVE TURBO FEED BEARING SEAL MAY CAUSE OIL TO BE FORCED INTO THE TURBOCHARGER INTAKE. WINNEBAGO BELIEVES THAT THE ISOLATED OCCURRENCES ARE INSTANCES OF OWNER ABUSE OR LACK OF PROPER MAINTENANCE.ANALYSIS:REVIEW OF WINNEBAGO'S RESPONSE TO THE OCC SPECIAL ORDER AND THE ODI COMPLAINTS INDICATES THAT NO SAFETY DEFECT TREND IS DEVELOPING. THREE OR FOUR YEARS OF VEHICLE USAGE/EXPOSURE HAS RESULTED IN ONLY 3 REPORTS OUT OF NEARLY 7,000 VEHICLES (0.04%).THIS RATE AND REVIEW OF THE REPORTS, SUPPORTS WINNEBAGO'S POSITION THAT THE PROBLEM IS ISOLATED INSTANCES OF MAINTENANCE PROBLEMS.===

An investigation is a separate record from a recall and from a manufacturer communication. A manufacturer campaign to repair a safety defect or a failure to meet a federal safety standard.

Investigation details

Identifiers, dates and outcome as recorded by NHTSA

Action number
PE87059
Investigation type
Preliminary Evaluation (PE)
Status
Closed
Manufacturer
Winnebago Industries, Inc.
Component
VEHICLE SPEED CONTROL:LINKAGES
Opened
Sep 17, 1987
Closed
Mar 18, 1988
Associated recall campaign
None recorded

Vehicles named in this investigation

6 model years across 3 models

Being named here means NHTSA included the vehicle in the scope of its inquiry. It is not a statement that these vehicles have a defect.