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2007 Chrysler Pacifica

Owner reports · Recalls · Investigations

Similar to other model years

Owner complaints for the 2007 Chrysler Pacifica do not stand out strongly from the model-year median of 189.

About this comparison →

When problems were reported

Mileage at the reported incident

285 reports with mileage · 41 unknown

NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.

What to inspect

Issues worth paying extra attention to based on owner reports.

  • Power Train. Review the 88 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Engine. Review the 76 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Electrical System. Review the 51 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

8 crash reports10 fire reports7 injury reports

Unknown Or Other complaints

19 reports
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Mileage unknown · Nov 23, 2017
Unknown Or Other

CATALYTIC CONVERTER ARE BAD. I HAD TO REPLACE BOTH CONVERTS 3 TIMES.IF YOU RESEARCH THIS SEVERAL PEOPLE HAS HAD THE SAME PROBLEM MOTOR MOUNTS, I HAVE REPLACED THEN 3 TIMES. IGNITION COILS HAVE BEEN REPLACED SEVERAL TIMES. THE SAME 1. THE CHRYSLER PACIFICA IS GARBAGE. IT WAS GARBAGE THEN, IT'S GARBAGE NOW. CHRYSLER H…

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CATALYTIC CONVERTER ARE BAD. I HAD TO REPLACE BOTH CONVERTS 3 TIMES.IF YOU RESEARCH THIS SEVERAL PEOPLE HAS HAD THE SAME PROBLEM MOTOR MOUNTS, I HAVE REPLACED THEN 3 TIMES. IGNITION COILS HAVE BEEN REPLACED SEVERAL TIMES. THE SAME 1. THE CHRYSLER PACIFICA IS GARBAGE. IT WAS GARBAGE THEN, IT'S GARBAGE NOW. CHRYSLER HAS MANY PROBLEMS WITH THERE CARS AND THEY ARE NEVER RECALLED OF FIXED . ALL CHRYSLER DO IS STOP MAKING THAT CAR.

NHTSA ODI #11048157

192,000 miles · Oct 18, 2017
Unknown Or Other

THERE IS A PART ON THE CAR THAT GOES BAD ( # 04880417AA) CANT FIND IT ANYWHERE NOT ANGRY JUST NEED HELP PLEASE !! THE CAR IS BECOMING VERY UNSAFE TO DRIVE .

NHTSA ODI #11034459

Mileage unknown · Jun 2, 2017
Fuel/propulsion SystemSeat BeltsUnknown Or Other

THIS VEHICLE HAS HAD ONE MAJOR ISSUE WITH THE FUEL SYSTEM. WHEN THE FUEL GAUGE GETS TO HALF WAY, THE GAUGE DROPS TO E AND DOES NOT WANT TO ACCEPT GAS. IT ACTS LIKE IT'S FULL AND YOU CAN BARELY PUT ANY GAS IN. WHEN THIS HAPPENS THE VEHICLE ACTS LIKE IT'S OUT OF GAS EVEN WHEN IT'S NOT CAUSING ME TO RUN OUT OF GAS WHILE DRIVING DOW…

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THIS VEHICLE HAS HAD ONE MAJOR ISSUE WITH THE FUEL SYSTEM. WHEN THE FUEL GAUGE GETS TO HALF WAY, THE GAUGE DROPS TO E AND DOES NOT WANT TO ACCEPT GAS. IT ACTS LIKE IT'S FULL AND YOU CAN BARELY PUT ANY GAS IN. WHEN THIS HAPPENS THE VEHICLE ACTS LIKE IT'S OUT OF GAS EVEN WHEN IT'S NOT CAUSING ME TO RUN OUT OF GAS WHILE DRIVING DOWN THE INTERSTATE AND SOMETIMES THE CAR WON'T EVEN START WHEN IT DROPS BELOW HALF WAY.ALSO, MY ODOMETER READS GASCAP LIKE THERE'S A LEAK BUT IT'S A BRAND NEW GAS CAP. I'VE READ DAYS WORTH OF INFORMATION ON THE WORLD WIDE WEB AND THIS IS THE MOST COMMON ISSUE BUT NOONE HAS DONE ANYTHING ABOUT IT. IT IS NOT FAIR TO THE CONSUMER. I KNOW I WILL NEVER BUY ANOTHER CHRYSLER AND I WILL WARN OTHERS NOT TO ALSO. NOT ONLY THAT BUT MY SEATBELTS DO NOT WORK ANYMORE, TWO OF THEM ANYWAY. MY KIDS HAVE TO SIT IN THE FAR BACK TO BUCKLE UP. I BOUGHT THIS VEHICLE USED. I'VE HAD THE FUEL PUMPS REPLACED, THE VAPOR CANISTER AND VAPOR FILTER REPLACED, GAS CAP, ECT. NOTHING REPAIRS THE ISSUE. I KNOW NOW WHY THE PREVIOUS OWNER GAVE IT UP, IF I DIDN'T HAVE TO PAY A DOWN PAYMENT, I WOULD HAVE ALREADY LET IT GO BACK.

NHTSA ODI #10992955

141,862 miles · Sep 28, 2016
Unknown Or Other

I DROVE IN MY DRIVE WAY ON SUNDAY ON MON. MORNING I GOT IN AND THE TRANSMISSION IS OUT, I GUESS IT. WILL NOT GO ANYWHERE IN ANY GEAR.STAIONARY IF THIS IS A RECALLED SEE CALL !!ME, I DO NOT HAVE $2000.00 TO FIX IT THANK YOU'LL.

NHTSA ODI #10910433

Mileage unknown · Jun 28, 2016
Unknown Or Other

WHEN U DRIVING THE CAR AND COME TO A STOP SIGN OR STOP LIGHT THE CAR TURNS COMPLETELY OFF AND NO LIGHTS ARE ANYTHING COMES ON TO SHOW THAT THERE IS A PROBLEM. IT STARTS BACK UP BUT WHEN U GO TO THE NEXT LIGHT IT CRANKS BACK OFF AGAIN. IT HAS NOT CRANKED OFF WHEN U DRIVING A DISTANCE YET, BUT WHEN MAKE A COMPLETE STOP AT A LIGHT…

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WHEN U DRIVING THE CAR AND COME TO A STOP SIGN OR STOP LIGHT THE CAR TURNS COMPLETELY OFF AND NO LIGHTS ARE ANYTHING COMES ON TO SHOW THAT THERE IS A PROBLEM. IT STARTS BACK UP BUT WHEN U GO TO THE NEXT LIGHT IT CRANKS BACK OFF AGAIN. IT HAS NOT CRANKED OFF WHEN U DRIVING A DISTANCE YET, BUT WHEN MAKE A COMPLETE STOP AT A LIGHT OR STOP SIGN IT CRANKS OFF AGAIN. THIS HAS HAPPENED AT LEAST 50 TIMES SINCE JUNE 22ND. I'VE TESTED THE BATTERY AND THE ALTERNATOR AND THEY ARE FINE BUT THE PROBLEM IS STILL HAPPENING.

NHTSA ODI #10877115

104,000 miles · Mar 9, 2016
Electrical SystemUnknown Or Other

"TAKATA RECALL" AT 60 MPH THE VEHICLE STARTS TO SHAKE. BRAND NEW TIRES BALACED PROPERLY, NEW CALIPER, AND WHEEL ALIGJNMENT. ELECTRICAL LIGHT ON DASH KEEPS COMING ON AND CAN NOT EXCEED 40 MPH AND VEHICLE AHUTS OFF SOMETIMES LEAVING NO STEERIMG OR BREAKS

NHTSA ODI #10845795

20,000 miles · Nov 1, 2012
Unknown Or Other

WE PURCHASED THIS VEHICLE USED, AND FROM DAY ONE WE NOTICED THE TRANSMISSION BANGED INTO GEAR. AFTER NUMEROUS TRIPS TO THE DEALER AND THEM UNABLE TO FIND THE PROBLEM, I ASKED THEM TO CHECK THE MOTOR MOUNTS. THEY DISCOVERED A BROKEN MOUNT, THE REPAIR COST ME $440, THIS OCCURRED AT 46151 MI. NOW AT APPROX 74000 MI 2 MORE ENGINE MO…

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WE PURCHASED THIS VEHICLE USED, AND FROM DAY ONE WE NOTICED THE TRANSMISSION BANGED INTO GEAR. AFTER NUMEROUS TRIPS TO THE DEALER AND THEM UNABLE TO FIND THE PROBLEM, I ASKED THEM TO CHECK THE MOTOR MOUNTS. THEY DISCOVERED A BROKEN MOUNT, THE REPAIR COST ME $440, THIS OCCURRED AT 46151 MI. NOW AT APPROX 74000 MI 2 MORE ENGINE MOUNTS HAVE FAILED THE BILL THIS TIME WILL BE $723. WE DO NOT DRIVE AGGRESSIVELY OR ABUSE THIS VEHICLE, AFTER AN ONLINE SEARCH THIS SEEMS TO BE A DEFECT IN THE CHRYSLER PACIFICA LINE OF CARS. WITH THE ENGINE SHIFTING IN THE ENGINE COMPARTMENT IT WILL BE ONLY A MATTER OF TIME BEFORE A FUEL LINE, BRAKE LINE OR OTHER VITAL LINE OR HOSE WILL BE COMPROMISED CAUSING A FIRE OR LOSS OF VEHICLE CONTROL. I FEEL A RECALL SHOULD BE ISSUED AND THE DEFECTIVE PART REPLACED AND THOSE WHO ALREADY REPLACED THE DEFECTIVE PART REIMBURSED.

NHTSA ODI #10482826

28,000 miles · Mar 3, 2011
SteeringUnknown Or Other

WHEN TURNING TO THE RIGHT OR THE LEFT I CAN HEAR A RUBBING TYPE NOISE. I TOOK IT INTO THE TWO DIFFERENT DEALERS ON TWO SEPARATE OCCASIONS COMPLAINING OF THE NOISE, BUT THE DEALERS COULD NOT DUPLICATE THE PROBLEM. WHEN I TURN I HEAR A RUBBING NOISE AND NOW WHEN I REVERSE THERE IS A LOUD GRINDING/RUBBING NOISE SIMILAR TO THE NOI…

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WHEN TURNING TO THE RIGHT OR THE LEFT I CAN HEAR A RUBBING TYPE NOISE. I TOOK IT INTO THE TWO DIFFERENT DEALERS ON TWO SEPARATE OCCASIONS COMPLAINING OF THE NOISE, BUT THE DEALERS COULD NOT DUPLICATE THE PROBLEM. WHEN I TURN I HEAR A RUBBING NOISE AND NOW WHEN I REVERSE THERE IS A LOUD GRINDING/RUBBING NOISE SIMILAR TO THE NOISE THAT I GET WHEN TURNING. THE NOISE GENERALLY OCCURS FIRST THING IN THE MORNING AFTER I HAVE STARTED MY CAR AND REVERSE IT. IF MY CAR HAS BEEN SITTING FOR A WHILE IT WILL DO THE NOISE THEN TOO! I'M UNSURE WHAT IS CAUSING THE NOISE AND SINCE THE DEALERS CAN'T DUPLICATE IT THEY HAVE NOT DONE ANYTHING EITHER. I'M QUITE CONCERNED AS TO WHAT CAN BE CAUSING THESE NOISES AND I DO BELIEVE THAT THEY ARE LINKED! I NOTICED ANOTHER PACIFICA OWNER HAD THE SAME PROBLEM AS I DID SO NOW I KNOW IT'S NOT JUST MY CAR.

NHTSA ODI #10388210

30,609 miles · Mar 2, 2011
Unknown Or Other

PURCHASED THIS CAR USED IN FEBRUARY 2008. SHORTLY THEREAFTER I NOTICED A KNOCK IN THE FRONT WHEN TURNING WHEEL AT LOW SPEEDS (IE, BACKING UP). ALSO FELT SLIGHT VIBRATION ON ACCELERATION. DEALER UNABLE TO FIND ANYTHING UNTIL JUNE 2009. MILES 38733. FRONT TIE ROD WAS BROKEN AND REPLACED BY DEALER. THIS DID NOT RESOLVE THE K…

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PURCHASED THIS CAR USED IN FEBRUARY 2008. SHORTLY THEREAFTER I NOTICED A KNOCK IN THE FRONT WHEN TURNING WHEEL AT LOW SPEEDS (IE, BACKING UP). ALSO FELT SLIGHT VIBRATION ON ACCELERATION. DEALER UNABLE TO FIND ANYTHING UNTIL JUNE 2009. MILES 38733. FRONT TIE ROD WAS BROKEN AND REPLACED BY DEALER. THIS DID NOT RESOLVE THE KNOCK OR THE VIBRATION ON ACCELERATION. KNOCK CONTINUED AND GOT WORSE. AT 61000, THE CAR WAS AGAIN BROUGHT IN FOR THE KNOCKING. AT FIRST LOOK, THE MECHANIC DID NOT SEE A PROBLEM. I EXPLAINED THAT AT EXTREME TURN OF WHEEL AT LOW SPEEDS, THERE IS A DISTINCT KNOCK IN FRONT. AFTER HIS FURTHER INSPECTION, I WAS ADVISED BY SERVICE CENTER THAT THE CAR HAS TWO (2) BROKEN MOTOR MOUNTS AND THIS COULD BE THE SOURCE OF THE KNOCK AND VIBRATION. WAS TAKEN TO DODGE DEALER WHERE PURCHASED TO CONFIRM BROKEN MOTOR MOUNTS. PARTS WERE REPLACED UNDER EXTENDED WARRANTY. STILL DID NOT RESOLVE THE KNOCK.

NHTSA ODI #10387768

Official recalls

0

No recalls in this snapshot.

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

EA08006 · Engine Compartment Fire

Opened Feb 21, 2008 · Closed Apr 15, 2009

Status: closed (inferred from source dates) · Electrical System; Electrical System:wiring:front Underhood; Electrical System:wiring:interior/under Dash; Engine And Engine Cooling; Steering:hydraulic Power Assist:power Steering Fluid

THE AGENCY HAS CLOSED THIS INVESTIGATION BASED ON ITS REVIEW OF CONSUMER COMPLAINTS, FIELD REPORTS, WARRANTY CLAIMS AND OTHER DATA REGARDING ENGINE COMPARTMENT FIRES AND POWER STEERING FLUID LEAKAGE IN MODEL YEAR (MY) 2007 CHRYSLER PACIFICA VEHICLES WITH 4.0L ENGINES.THE AVAILABLE EVIDENCE INDICATES THAT POWER STEERING FLUID LEAKS IN THE SUBJECT VEHICLES AND THE FIRES THAT MAY RESULT FROM THESE LEAKS, OCCURRED EARLY IN THE VEHICLE'S SERVICE LIFE.MOREOVER, CHANGES IN THE ASSEMBLY PROCESS APPEAR TO HAVE REMEDIED THE CONDITION CAUSING THE LEAKS.THE AVAILABLE DATA CONFIRMS A DECLINING TREND FOR BOTH COMPLAINTS AND WARRANTY CLAIMS AS THE SUBJECT VEHICLES REMAIN IN SERVICE. THE CLOSING OF THIS INVESTIGATION DOES NOT CONSTITUTE A FINDING BY THE AGENCY THAT A SAFETY-RELATED DEFECT DOES NOT EXIST.THE AGENCY RESERVES THE RIGHT TO TAKE FURTHER ACTION IF WARRANTED BY THE CIRCUMSTANCES. (SEE DOCUMENT FILE FOR ADDITIONAL INFORMATION REGARDING THIS RESUME.)

Additional source detail variants (5)

Electrical System

THE AGENCY HAS CLOSED THIS INVESTIGATION BASED ON ITS REVIEW OF CONSUMER COMPLAINTS, FIELD REPORTS, WARRANTY CLAIMS AND OTHER DATA REGARDING ENGINE COMPARTMENT FIRES AND POWER STEERING FLUID LEAKAGE IN MODEL YEAR (MY) 2007 CHRYSLER PACIFICA VEHICLES WITH 4.0L ENGINES.THE AVAILABLE EVIDENCE INDICATES THAT POWER STEERING FLUID LEAKS IN THE SUBJECT VEHICLES AND THE FIRES THAT MAY RESULT FROM THESE LEAKS, OCCURRED EARLY IN THE VEHICLE'S SERVICE LIFE.MOREOVER, CHANGES IN THE ASSEMBLY PROCESS APPEAR TO HAVE REMEDIED THE CONDITION CAUSING THE LEAKS.THE AVAILABLE DATA CONFIRMS A DECLINING TREND FOR BOTH COMPLAINTS AND WARRANTY CLAIMS AS THE SUBJECT VEHICLES REMAIN IN SERVICE. THE CLOSING OF THIS INVESTIGATION DOES NOT CONSTITUTE A FINDING BY THE AGENCY THAT A SAFETY-RELATED DEFECT DOES NOT EXIST.THE AGENCY RESERVES THE RIGHT TO TAKE FURTHER ACTION IF WARRANTED BY THE CIRCUMSTANCES. (SEE DOCUMENT FILE FOR ADDITIONAL INFORMATION REGARDING THIS RESUME.)

Electrical System:wiring:front Underhood

THE AGENCY HAS CLOSED THIS INVESTIGATION BASED ON ITS REVIEW OF CONSUMER COMPLAINTS, FIELD REPORTS, WARRANTY CLAIMS AND OTHER DATA REGARDING ENGINE COMPARTMENT FIRES AND POWER STEERING FLUID LEAKAGE IN MODEL YEAR (MY) 2007 CHRYSLER PACIFICA VEHICLES WITH 4.0L ENGINES.THE AVAILABLE EVIDENCE INDICATES THAT POWER STEERING FLUID LEAKS IN THE SUBJECT VEHICLES AND THE FIRES THAT MAY RESULT FROM THESE LEAKS, OCCURRED EARLY IN THE VEHICLE'S SERVICE LIFE.MOREOVER, CHANGES IN THE ASSEMBLY PROCESS APPEAR TO HAVE REMEDIED THE CONDITION CAUSING THE LEAKS.THE AVAILABLE DATA CONFIRMS A DECLINING TREND FOR BOTH COMPLAINTS AND WARRANTY CLAIMS AS THE SUBJECT VEHICLES REMAIN IN SERVICE. THE CLOSING OF THIS INVESTIGATION DOES NOT CONSTITUTE A FINDING BY THE AGENCY THAT A SAFETY-RELATED DEFECT DOES NOT EXIST.THE AGENCY RESERVES THE RIGHT TO TAKE FURTHER ACTION IF WARRANTED BY THE CIRCUMSTANCES. (SEE DOCUMENT FILE FOR ADDITIONAL INFORMATION REGARDING THIS RESUME.)

Electrical System:wiring:interior/under Dash

THE AGENCY HAS CLOSED THIS INVESTIGATION BASED ON ITS REVIEW OF CONSUMER COMPLAINTS, FIELD REPORTS, WARRANTY CLAIMS AND OTHER DATA REGARDING ENGINE COMPARTMENT FIRES AND POWER STEERING FLUID LEAKAGE IN MODEL YEAR (MY) 2007 CHRYSLER PACIFICA VEHICLES WITH 4.0L ENGINES.THE AVAILABLE EVIDENCE INDICATES THAT POWER STEERING FLUID LEAKS IN THE SUBJECT VEHICLES AND THE FIRES THAT MAY RESULT FROM THESE LEAKS, OCCURRED EARLY IN THE VEHICLE'S SERVICE LIFE.MOREOVER, CHANGES IN THE ASSEMBLY PROCESS APPEAR TO HAVE REMEDIED THE CONDITION CAUSING THE LEAKS.THE AVAILABLE DATA CONFIRMS A DECLINING TREND FOR BOTH COMPLAINTS AND WARRANTY CLAIMS AS THE SUBJECT VEHICLES REMAIN IN SERVICE. THE CLOSING OF THIS INVESTIGATION DOES NOT CONSTITUTE A FINDING BY THE AGENCY THAT A SAFETY-RELATED DEFECT DOES NOT EXIST.THE AGENCY RESERVES THE RIGHT TO TAKE FURTHER ACTION IF WARRANTED BY THE CIRCUMSTANCES. (SEE DOCUMENT FILE FOR ADDITIONAL INFORMATION REGARDING THIS RESUME.)

Engine And Engine Cooling

THE AGENCY HAS CLOSED THIS INVESTIGATION BASED ON ITS REVIEW OF CONSUMER COMPLAINTS, FIELD REPORTS, WARRANTY CLAIMS AND OTHER DATA REGARDING ENGINE COMPARTMENT FIRES AND POWER STEERING FLUID LEAKAGE IN MODEL YEAR (MY) 2007 CHRYSLER PACIFICA VEHICLES WITH 4.0L ENGINES.THE AVAILABLE EVIDENCE INDICATES THAT POWER STEERING FLUID LEAKS IN THE SUBJECT VEHICLES AND THE FIRES THAT MAY RESULT FROM THESE LEAKS, OCCURRED EARLY IN THE VEHICLE'S SERVICE LIFE.MOREOVER, CHANGES IN THE ASSEMBLY PROCESS APPEAR TO HAVE REMEDIED THE CONDITION CAUSING THE LEAKS.THE AVAILABLE DATA CONFIRMS A DECLINING TREND FOR BOTH COMPLAINTS AND WARRANTY CLAIMS AS THE SUBJECT VEHICLES REMAIN IN SERVICE. THE CLOSING OF THIS INVESTIGATION DOES NOT CONSTITUTE A FINDING BY THE AGENCY THAT A SAFETY-RELATED DEFECT DOES NOT EXIST.THE AGENCY RESERVES THE RIGHT TO TAKE FURTHER ACTION IF WARRANTED BY THE CIRCUMSTANCES. (SEE DOCUMENT FILE FOR ADDITIONAL INFORMATION REGARDING THIS RESUME.)

Steering:hydraulic Power Assist:power Steering Fluid

THE AGENCY HAS CLOSED THIS INVESTIGATION BASED ON ITS REVIEW OF CONSUMER COMPLAINTS, FIELD REPORTS, WARRANTY CLAIMS AND OTHER DATA REGARDING ENGINE COMPARTMENT FIRES AND POWER STEERING FLUID LEAKAGE IN MODEL YEAR (MY) 2007 CHRYSLER PACIFICA VEHICLES WITH 4.0L ENGINES.THE AVAILABLE EVIDENCE INDICATES THAT POWER STEERING FLUID LEAKS IN THE SUBJECT VEHICLES AND THE FIRES THAT MAY RESULT FROM THESE LEAKS, OCCURRED EARLY IN THE VEHICLE'S SERVICE LIFE.MOREOVER, CHANGES IN THE ASSEMBLY PROCESS APPEAR TO HAVE REMEDIED THE CONDITION CAUSING THE LEAKS.THE AVAILABLE DATA CONFIRMS A DECLINING TREND FOR BOTH COMPLAINTS AND WARRANTY CLAIMS AS THE SUBJECT VEHICLES REMAIN IN SERVICE. THE CLOSING OF THIS INVESTIGATION DOES NOT CONSTITUTE A FINDING BY THE AGENCY THAT A SAFETY-RELATED DEFECT DOES NOT EXIST.THE AGENCY RESERVES THE RIGHT TO TAKE FURTHER ACTION IF WARRANTED BY THE CIRCUMSTANCES. (SEE DOCUMENT FILE FOR ADDITIONAL INFORMATION REGARDING THIS RESUME.)

PE07052 · Engine Compartment Fire

Opened Oct 19, 2007 · Closed Feb 21, 2008

Status: closed (inferred from source dates) · Steering:hydraulic Power Assist:power Steering Fluid

COMPLAINANTS ALLEGE THAT A FIRE ERUPTED UNDER THE HOOD, NEAR THE FRONT OF THE VEHICLE.IN CHRYSLER'S RESPONSE TO ODI'S NOVEMBER 2, 2007 INFORMATION REQUEST, CHRYSLER ASSERTS THAT THE ALLEGED DEFECT OCCURS ONLY IN THE 4.0L ENGINES AND THE CONSUMER WILL EXPERIENCE A LOSS OF POWER STEERING FLUID OR A NOISY POWER STEERING PUMP BEFORE SEEING ANY EVIDENCE OF SMOKE OR FIRE.CHRYSLER ALSO STATES THAT A TUBE NUT ON THE HIGH PRESSURE POWER STEERING LINE WAS DISCOVERED TO BE CROSS THREADED DURING THE ASSEMBLY PROCESS AND DID NOT ALLOW PROPER SEALING OF THE O-RING.THE POWER STEERING SYSTEM IN THE 4.0L ENGINE IS ASSEMBLED AT THE CHRYSLER PLANT.THE POWER STEERING SYSTEM FOR THE 3.8L ENGINES ARRIVES AT THE CHRYSLER PLANT PRE-ASSEMBLED.CHRYSLER FOUND THAT IN THE 4.0L ENGINE, IT WAS POSSIBLE TO CROSS-THREAD THE TUBE NUT ON THE HIGH PRESSURE LINE DURING ITS ATTACHMENT TO THE STEERING GEAR, THUS CREATING AN IMPROPER SEAL.CHRYSLER IMPLEMENTED ASSEMBLY PLANT PROCESS CHANGES TO ELIMINATE THE POSSIBILITY OF CROSS-THREADING, AND APPLIED ADDITIONAL QUALITY CONTROL MEASURES TO DETECT POWER STEERING FLUID LEAKS.CHRYSLER STATED THAT WARRANTY AND FIELD DATA SUGGESTS THAT THESE PROCESS CHANGES HAVE MINIMIZED THE POSSIBILITY OF CROSS-THREADING.WITH REGARD TO THE VEHICLES PRODUCED PRIOR TO THE PRODUCTION CHANGE, A REVIEW OF THE WARRANTY CLAIMS INDICATES THAT THE ALLEGED DEFECT HAS NOT DECLINED IN THE 4.0L POPULATION.ODI IS UPGRADING THIS PRELIMINARY EVALUATION TO AN ENGINEERING ANALYSIS, EA08-006, TO FURTHER EVALUATE THE ISSUE.