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2007 Chrysler Pacifica Awd

Owner reports · Recalls · Investigations

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What owners reported most

All reported categories

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When problems were reported

Mileage at the reported incident

49 reports with mileage · 5 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.

  • Engine. Review the 18 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Power Train. Review the 13 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Steering. Review the 11 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

1 crash reports3 fire reports0 injury reports

Engine complaints

18 reports
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2,660 miles · Jan 14, 2014
EnginePower Train

CURRENTLY MY CHRYSLER PACIFICA TOURING AWD HAS 31,008 MILES ON IT. I HAVE HAD THE FOLLOWING PROBLEMS SEPTEMBER 11, 2008 AT 2660 MILES, ROCKER ARM, VALVE REPLACED 4.0 LITER. CRACKED BLACK PLASTIC UPPER RADIATOR PANEL. OCTOBER 27, 2011 MULTIPLE COMPLAINTS TO DEALERSHIP ABOUT THE VEHICLE ACTING LIKE IT WANTED TO ACCELERATE ON ITS O…

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CURRENTLY MY CHRYSLER PACIFICA TOURING AWD HAS 31,008 MILES ON IT. I HAVE HAD THE FOLLOWING PROBLEMS SEPTEMBER 11, 2008 AT 2660 MILES, ROCKER ARM, VALVE REPLACED 4.0 LITER. CRACKED BLACK PLASTIC UPPER RADIATOR PANEL. OCTOBER 27, 2011 MULTIPLE COMPLAINTS TO DEALERSHIP ABOUT THE VEHICLE ACTING LIKE IT WANTED TO ACCELERATE ON ITS OWN. JULY 14, 2012 MILES: 22,574 FRONT/REAR DIFFERENTIAL SHOWS A NEED FOR IMMEDIATE ATTENTION. FEBRUARY 12.2013, SHOWED REAR DIFFERENTIAL LEAKING. SEPTEMBER 27, 2013, MILES 29.120 SHOWS PROBLEM WITH REAR DIFFERENTIAL. JANUARY 1, 2014 MILES: 31,006 VEHICLE TOWED TO DEALERSHIP AND WAS DIAGNOSTIC FOR A DRIVE SHAFT ASSEMBLY NEEDED, PART#5157008AE. SECOND OPINION GIVEN BY MASTER ASE TECHNICIAN GIVE ON 01-14-2014, MILES: 31,008, STATES TRANSFER CASE/PTU IS CRACKED AND FLUID IS LEAKING. RECOMMENDATIONS: TRANSFER CASE/PTU AND REAR DRIVESHAFT ASSEMBLY NEEDS TO BE REPLACED WITH A NEW AND IMPROVED TYPE UNIT BECAUSE RESEARCH SHOW THIS IS A KNOWN PROBLEM WITH THIS VEHICLE. *TR

NHTSA ODI #10559986

Mileage unknown · Dec 1, 2013
EngineExterior LightingSteering

DRIVING AT <15MPH AND AT >45MPH SPEEDS THE WHOLE CAR SHUTS OFF. NO ENGINE LIGHTS NO WARNING JUST CUTS OFF. STILL CONTINUING THE ISSUE HAS BEEN LOOKED AT AND SINCE NO LIGHTS ARE ON THEY CANT FIND IT. I HAUL MY 3 GRANDDAUGHTERS IN THIS CAR AND THE SAFETY WORRIES ME ABOUT IT. *TR

NHTSA ODI #10554231

91,250 miles · Apr 22, 2013
EngineSteering

JUST BOUGHT THIS VEHICLE FROM DODGE DEALERSHIP. ONE FOUR DIFFERENT OCCASIONS A COUPLE AT LOW SPEED <15 AND A COUPLE AT HIGHER SPEED >40 THE VEHICLE STALLS OR TURNS OFF. YOU LOSE POWER STEERING (HARD TO CONTROL) AND BRAKING(HARD TO PRESS PEDAL). NO ENGINE LIGHTS OR WARNING LIGHTS TO SHOW FAILURE ANYWHERE. VEHICLE STARTS RIGHT…

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JUST BOUGHT THIS VEHICLE FROM DODGE DEALERSHIP. ONE FOUR DIFFERENT OCCASIONS A COUPLE AT LOW SPEED <15 AND A COUPLE AT HIGHER SPEED >40 THE VEHICLE STALLS OR TURNS OFF. YOU LOSE POWER STEERING (HARD TO CONTROL) AND BRAKING(HARD TO PRESS PEDAL). NO ENGINE LIGHTS OR WARNING LIGHTS TO SHOW FAILURE ANYWHERE. VEHICLE STARTS RIGHT BACK UP AND MAY NOT DO IT AGAIN FOR WEEKS. FROM WHAT I HAVE BEEN READING THERE IS NO SURE FINDINGS TO THE CAUSE AND MAYBE A TSB OUT THERE BY NOW SHOWS THE PROBLEM. I AM WORRIED ABOUT THE QUALITY OR SAFETY OF MY FAMILY SHOULD THE WIFE BE DRIVING THE VEHICLE AT A RATE OF SPEED AND IT CUT OUT ON HER AND SHE PANIC OR BE IN RUSH TRAFFIC. IT NOT ONLY ENDANGERS HER BUT ANY VEHICLE AROUND HER. BEFORE I TAKE IT TO THE DEALERSHIP AND PAY LOTS OF MONEY I DON'T HAVE I NEED TO KNOW WHAT MY OPTIONS ARE AND WHY IT APPEARS THIS HAS BEEN AN ISSUE AND NOT RESOLVED. IF YOU PUT IN GOOGLE 2007 PACIFICA AWD STALLING WHILE DRIVING YOU GET MORE THAN ENOUGH RESPONSES AND IT LED ME TO HERE EVEN. I WOULD WHOLE HEARTEDLY APPRECIATE ANY AND ALL INFORMATION AND ACTIONS I CAN DO TO GET THIS FIXED AND RESOLVED FOR MY FAMILY. *TR

NHTSA ODI #10509176

47,000 miles · Apr 21, 2013
Engine

MULTIPLE OCCURRENCES OF CAR BURNING OIL? UNSURE WHERE ITS GOING. CHECK ENGINE LIGHT CAME ON AT FIRST OCCURRENCE, NO INDICATOR OF ANY OIL ISSUES. TOOK TO MECHANIC AND STATED THE OIL STICK WAS COMPLETELY DRY. NO INDICATIONS OF ANY HOLES/LEAKS OR OTHER ISSUES. NEXT OCCURRENCE WITHOUT WARNING SERVICE LIGHT CAME ON AND INSPECTED …

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MULTIPLE OCCURRENCES OF CAR BURNING OIL? UNSURE WHERE ITS GOING. CHECK ENGINE LIGHT CAME ON AT FIRST OCCURRENCE, NO INDICATOR OF ANY OIL ISSUES. TOOK TO MECHANIC AND STATED THE OIL STICK WAS COMPLETELY DRY. NO INDICATIONS OF ANY HOLES/LEAKS OR OTHER ISSUES. NEXT OCCURRENCE WITHOUT WARNING SERVICE LIGHT CAME ON AND INSPECTED IMMEDIATELY AFTER LIGHT CAME ON TO FIND AGAIN NO OIL REMAINING. SERVICE MECHANICS UNSURE OF WHERE THE OIL IS GOING AS THERE STILL APPEARS TO BE NO LEAKS OR SIGNS OF IT GOING ANYWHERE. ON AVERAGE NEED TO PUT IN OIL IN EVERY 100-200 MILES TO AVOID COMPLETE LOSS OF ALL OIL. THE FARTHER DOWN IT GETS, IT SEEMS TO DISAPPEAR MORE RAPIDLY. THE SERVICE ENGINE LIGHT COMES ON WHEN THE CAR IS COMPLETELY DRY OF OIL POSING POTENTIAL ENGINE LOCK UP ISSUES OR CRACKING OF ENGINE BLOCK WITHOUT NOTICE. THERE IS NO OIL LIGHT, THE LIGHT IMMEDIATELY GOES TO SERVICE ENGINE SOON LIGHT, AND AFTER NUMEROUS OCCURRENCES INDICATES A COMPLETELY DRY DIPSTICK. *TR

NHTSA ODI #10508962

82,600 miles · Mar 6, 2013
EngineFuel/propulsion SystemPower Train

WE HAVE HAD MULTIPLE ISSUES WITH THIS VEHICLE. AROUND 60,000 MILES THE CAR DIED SEVERAL TIMES WHICH WAS FIXED. THEN 2/11/2013 THE CAR HAD A PROBLEM WITH I BELIEVE WAS THE FUEL LINE. CAR WOULD ACT LIKE IT WAS GOING TO DIE AND SMOKING LIKE CRAZY WHEN PRESSED GAS, SMELLED LIKE GAS.. WE GOT IT TO THE DEALER SERVICE AND THE FIXED…

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WE HAVE HAD MULTIPLE ISSUES WITH THIS VEHICLE. AROUND 60,000 MILES THE CAR DIED SEVERAL TIMES WHICH WAS FIXED. THEN 2/11/2013 THE CAR HAD A PROBLEM WITH I BELIEVE WAS THE FUEL LINE. CAR WOULD ACT LIKE IT WAS GOING TO DIE AND SMOKING LIKE CRAZY WHEN PRESSED GAS, SMELLED LIKE GAS.. WE GOT IT TO THE DEALER SERVICE AND THE FIXED IT - COST $1100. 3 WEEKS LATER WHILE GETTING ONTO A FREEWAY IN TRAFFIC, I PRESSED THE GAS TO ACCELERATE, HEARD A BANG LIKE SOMETHING BLEW UP IN THE ENGINE, CAR WAS SMOKING IN THE EXHAUST AND THE IMMEDIATELY DIED. IT WAS TOWED TO THE DEALER WHERE WE WERE LATER INFORMED A ROD HAD COME LOOSE AND PUT A GASH IN THE ENGINE AND OIL PAN. CALLED IT A CATASTROPHIC FAILURE AND ONLY FIXED AT ENORMOUS COST. CAR DEAD AT 82,625 MILES. 5 YEARS OLD. IF THIS "ROD" WOULD HAVE BROKE LOOSE ANY OTHER TIME OR WHILE DRIVING FASTER IN MIDDLE LANE, WE COULD HAVE BEEN KILLED, SINCE IT WAS RUSH HOUR. I HAD 2 YOUNG KIDS WITH ME AT THE TIME. CHRYSLER IS PUTTING LIVES AT RISK WITH FAULTY PRODUCTS. PURCHASED BRAND NEW, MAINTAINED AND DID ALL REQUIRED MAINTENANCE THROUGH DEALER. HAD TO PURCHASE NEW CAR, NOT A CHRYSLER. *TR

NHTSA ODI #10501473

Mileage unknown · Jan 2, 2013
EngineSteering

TL* THE CONTACT OWNS A 2007 CHRYSLER PACIFICA. THE CONTACT STATED THAT THE VEHICLE STALLED AND THEN THE CHECK ENGINE LIGHT ILLUMINATED. TO RESTART THE VEHICLE, IT HAD TO BE SHIFTED INTO NEUTRAL. THE CONTACT ALSO STATED THAT THE POWER STEERING ASSIST WOULD FAIL INTERMITTENTLY. THE FAILURE MILEAGE WAS UNKNOWN AND THE CURRENT MILEA…

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TL* THE CONTACT OWNS A 2007 CHRYSLER PACIFICA. THE CONTACT STATED THAT THE VEHICLE STALLED AND THEN THE CHECK ENGINE LIGHT ILLUMINATED. TO RESTART THE VEHICLE, IT HAD TO BE SHIFTED INTO NEUTRAL. THE CONTACT ALSO STATED THAT THE POWER STEERING ASSIST WOULD FAIL INTERMITTENTLY. THE FAILURE MILEAGE WAS UNKNOWN AND THE CURRENT MILEAGE WAS 104,000.

NHTSA ODI #10490681

100,000 miles · Nov 6, 2012
EngineSuspensionUnknown Or Other

MOTOR MOUNTS ARE COLLAPSED ON 2007 CHRYSLER PACIFICA. *TR

NHTSA ODI #10483472

55,000 miles · Sep 20, 2012
Electrical SystemEngine

ENGINE STALLS / SHUTS OFF AT LOW SPEED - THIS HAS OCCURRED 18 TIMES SINCE AND SEEMS TO BE GETTING PROGRESSIVELY WORSE. NOW IT IS OCCURRING AT HIGHER SPEEDS (50MPH) WHEN TURNING AROUND BENDS. LOSS OF POWER STEERING CONTRIBUTES TO THE PROBLEM. THE INTERIOR POWER REMAINS ON WHILE A OIL DISPLAY LIGHT FLASHES. ONCE STOPPED THE VEHICL…

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ENGINE STALLS / SHUTS OFF AT LOW SPEED - THIS HAS OCCURRED 18 TIMES SINCE AND SEEMS TO BE GETTING PROGRESSIVELY WORSE. NOW IT IS OCCURRING AT HIGHER SPEEDS (50MPH) WHEN TURNING AROUND BENDS. LOSS OF POWER STEERING CONTRIBUTES TO THE PROBLEM. THE INTERIOR POWER REMAINS ON WHILE A OIL DISPLAY LIGHT FLASHES. ONCE STOPPED THE VEHICLE WILL RESTART AND NO FURTHER PROBLEM IS DETECTED. THESE TYPES OF STALLING PROBLEMS OCCUR INTERMITTENTLY. THE SAME SORT OF SCENARIO HAPPENS EVERY TIME THE ENGINE SHUTS OFF (STALLS). *TR

NHTSA ODI #10476534

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.