THE ENGINE OIL PRESSURE SENDING UNIT MAY DEVELOP AN OIL LEAK.
Consequence & remedy
Consequence: Not supplied
Remedy: OIL PRESSURE SENDING UNIT WILL BE REPLACED WITH A MODIFIED TYPE FREE OF CHARGE.
Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗
NHTSA investigations
2
EA88006 · Steering Output Shaft
Opened Nov 3, 1987 · Closed Apr 1, 1988
Status: closed (inferred from source dates) · Steering
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 (VEHICLE PRODUCER) DID STRENGTHEN THE SHAFTDURING THE 1984 MODEL YEAR BY INCREASING THE SPLINE AND BEARING JOURNALDIAMETERS.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 WHICH ARE EQUIPPED WITHPOWER STEERING.CROSS SHAFT AND PITMAN ARM SALES ARE CONSIDERABLY HIGHERON THE 4 WD UNITS THAN THE 2 WD UNITS.CHRYSLER REPORTS THE CROSS SHAFTDIAMETER WAS INCREASED IN APRIL, 1984, FOR INCREASED SHAFT STRENGTH TOIMPROVE ITS CAPABILITY TO WITHSTAND SEVERE IMPACT LOADS.PROPOSED ACTION:IR'S TO CHRYSLER AND MITSUBISHI SENT 11/16 - 17/87.AWAITING RESPONSES.===
PE87037 · Pitman Arm Failure
Opened Jul 1, 1987 · Closed Nov 3, 1987
Status: closed (inferred from source dates) · Steering
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.===
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