| Components - Details | |
|---|---|
| NHTSA Action Number: PE87037 | Vehicale/Equipment Name: DODGE |
| Vehicale/Equipment Model: RAM 50 | Vehicale/Equipment Year: 1987 |
| Component Name: STEERING | Manufacturer's Name: Chrysler (FCA US, LLC) |
| Date Opened: Jul, 01 1987 | Date Closed: Nov, 03 1987 |
| Subject: PITMAN ARM FAILURE | Summary: Summary of information from manufacturer:"both chrysler and mitsubishiindependently concluded that the failures were due to severe impact loadingtransmitted to the shaft by the steering linkage system -- in other wordsshaft failure is the result, not the cause, of the alleged collisioncircumstances.mitsubishi did strengthen the shaft during the 1984 modelyear by increasing the spline and bearing journal diameters."analysis:failing component is the steering box cross shaft (output shaft)which breaks between the bottom bearing in the steering box and the pitmanarm.known failures involve 4 wheel drive units equipped with powersteering.cross shaft and pitman arm sales are considerably higher on 4wheel drive units than 2 wheel drive units.chrysler reports the crossshaft diameter was increased in april, 1984, "for increased shaft strengthto improve its capability to withstand severe impact loads."proposed action:upgrade this pe to an ea.contact mitsubishi forinformation on comparable vehicles.=== |
