RoadVitals

NHTSA safety recall

Recall 94E020000: VEHICLE SPEED CONTROL

HERCULES ENGINE CO. · Reported to NHTSA Jul 1, 1994

Recalls apply to specific vehicles, not to every vehicle of a model year. Check your VIN with NHTSA or your manufacturer's dealer to confirm whether a recall affects your vehicle.

Check a VIN on NHTSA.gov
Units potentially affectedThe manufacturer's own estimate of how many vehicles or items of equipment may contain the defect. It is not a count of failures, and not every unit in the range is necessarily affected.
412
Model years coveredModel years in our database that NHTSA matched to this campaign. Whether an individual vehicle is covered still depends on its VIN.
4
Models covered
1
Grouped from the model years above
Reported to NHTSA
Jul 1, 1994
Production Jan 1, 1991 – Jun 1, 1994

What this recall covers

NHTSA's campaign record, quoted as published

The defect

THE ENGINE THROTTLE PLATE SHAFT CAN BECOME DISCONNECTED FROM THE THROTTLE LEVER ASSEMBLY. THE HEX HEAD LOCKING SCREW BETWEEN THE THROTTLE STOP ASSEMBLY AND THE THROTTLE SHAFT CAN LOOSEN. ALSO, THE HEX HEAD PINCH BOLT BETWEEN THE THROTTLE LEVER AND THE THROTTLE PLATE SHAFT CAN LOOSEN. THE THROTTLE RETURN SPRING CONTROLS THE THROTTLE PLATE POSITION THROUGH THE THROTTLE LEVER. IF EITHER SCREW LOOSENS, THE THROTTLE RETURN SPRINGS NO LONGER CONTROL THE THROTTLE PLATE POSITION.

The risk

UNANTICIPATED FULL THROTTLE CONDITIONS CAN OCCUR,RESULTING IN A LOSS OF THROTTLE CONTROL AND POSSIBLE ACCIDENT.

The remedy

THE THROTTLE BODY HAS BEEN REDESIGNED TO INCLUDE A SECONDARY RETURN SPRING ATTACHED DIRECTLY TO THE THROTTLE PLATE SHAFT. THROTTLE STOP ASSEMBLY AND SECONDARY RETURN SPRING LOCKING SCREWS WILL BE TORQUED TO SPECIFICATION AND TREATED WITH A THREAD SEALING COMPOUND SPECIFICALLY DESIGNED FOR THREAD LOCKING APPLICATIONS.

Notes

SYSTEM: FUEL; THROTTLE LINKAGES AND CONTROL.EQUIPMENT DESCRIPTION: GTA5.6 AND GTA3.7 ENGINES USED IN TRUCKS AND BUSES.NOTE: IF YOUR VEHICLE IS PRESENTED TO AN AUTHORIZED DEALER ON AN AGREED UPONSERVICE DATE AND THE REMEDY IS NOT PROVIDED FREE OF CHARGE WITHIN A REASONABLETIME, PLEASE CONTACT HERCULES AT 1-216-438-1390. ALSO CONTACT THE NATIONALHIGHWAY TRAFFIC SAFETY ADMINISTRATION'S AUTO SAFETY HOTLINE AT 1-800-424-9393.

A safety recall is issued when a manufacturer or NHTSA determines that a vehicle has a safety-related defect or does not comply with a federal motor vehicle safety standard. Recall repairs are free. Whether a specific vehicle is covered depends on its VIN — a recall listed for a model year does not necessarily apply to every vehicle of that year.

Campaign details

Identifiers and dates as filed with NHTSA

Manufacturer
HERCULES ENGINE CO.
Manufacturer's campaign number
Not recorded
NHTSA campaign number
94E020000
Units potentially affected
412
Report received
Jul 1, 1994
Production range
Jan 1, 1991 – Jun 1, 1994
Campaign type
Equipment
Federal safety standard (FMVSS)
Not recorded

Vehicles covered

4 model years across 1 model

Recalls apply to specific vehicles, not to every vehicle of a model year. Check your VIN with NHTSA or your manufacturer's dealer to confirm whether a recall affects your vehicle.