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2003 Lexus GX470 Powertrain (other) Problems

Owner-reported complaints naming the powertrain system, filed with NHTSA

Data refreshed

Powertrain (other) reportsComplaints are reports submitted to NHTSA by owners and drivers. NHTSA does not verify most reports before publishing them, and a complaint does not establish that a defect exists. Volume is influenced by how many of a vehicle were sold, how long it has been on the road, and how much attention an issue has received.
10
Latest Apr 1, 2007
Share of all reportsThis category as a share of every owner report on file for this model year. One report can name more than one component, so the categories overlap.
22%
of 46 total
Crash or fire reportedReports in this category whose submitter recorded that a crash or a fire occurred. The reporter's own answer on the NHTSA form, not a verified finding.
0
Injuries or deaths reportedTotals the submitters entered on their own reports in this category. Not verified by NHTSA and not a casualty statistic.
1

What this page shows

Powertrain reports that are not specifically the engine or transmission — driveshafts, axles, transfer cases and differentials. Every record below is an owner-reported complaint about the 2003 Lexus GX470 submitted to NHTSA — not a confirmed defect, not a recall and not a manufacturer bulletin. 10 reports on file name it.

Complaints are reports submitted by owners and drivers to NHTSA. They are not verified and do not establish that a defect exists.

Owner reports naming powertrain

Shown in the owner’s own words, exactly as filed

Powertrain (other)
Filed Apr 1, 2007

I BOUGHT A LEXUS GX470 IN APRIL 2003. AROUND DEC. 2006, SOMETIMES WHEN I WOULD PUT ON THE BRAKES, I WOULD HEAR A THUMP ON THE DRIVER'S SIDE IN THE REAR. IT FEELS LIKE SOMETHING HITS THE BUMPER. THIS DOES NOT HAPPEN EVERY TIME, BUT IT HAPPENS ENOUGH THAT IT IS VERY, VERY NOTICEABLE. I HAVE NOT TAKEN THE CAR TO THE DEALERSHIP. I JUST RECENTLY FOUND OUT THAT OTHER PEOPLE HAVE HAD THIS SAME PROBLEM. *JB

NHTSA ID
10186673
Incident
Dec 15, 2006
Mileage
62,000 mi
Powertrain (other)
Filed Jun 22, 2006
1 injury reported

DT*: THE CONTACT STATED AFTER THE VEHICLE WAS PLACE IN THE PARK POSITION WITH THE ENGINE RUNNING AND THE VEHICLE WAS EXITED, A WITNESS OBSERVED THE VEHICLE REVERSING. THE VEHICLE'S DOOR KNOCK THE CONTACT TO THE GROUND AND FRONT LEFT WHEEL ROLLED OVER TO THE CONTACT'S CHEST, BACK, SPINE AND FACE.

NHTSA ID
10160459
Incident
Jun 14, 2006
Mileage
32,432 mi
Powertrain (other)
Filed Sep 19, 2005

MY LEXUS GX470 HAS BEEN RETURNED ON FOUR SEPARATE OCCASIONS FOR THE SAME DEFECT, THE LAST TIME(4TH) MY CAR WAS IN FOR SERVICE, I WAS NOTIFIED THAT NOTHING ELSE COULD BE DONE FOR MY CAR AT THIS CURRENT TIME. ACCORDING TO LEXUS, THE THUMPING SENSATION FROM THE DRIVE SHAFT IS NORMAL, DESIGN CHARACTERISTIC I BELIEVE IS WHAT ONE LEXUS REP. REFERRED TO IT AS. OTHER LEXUS REPS. SAY IT IS AN ISOLATED PROBLEM, IT DOESN'T HAPPEN TO ALL GX 470'S. REGARDLESS, AFTER ATTEMPTING FOUR (4) SEPARATE TIMES TO FIX THIS PROBLEM 1ST TIME- LEXUS DISASSEMBLED THE DRIVE SHAFT AND RE-PACKED IT, SEEMED FINE FOR 3000 MILES THEN THE PROBLEM REAPPEARED. 2ND TIME- LEXUS REPLACED THE PROPELLER SHAFT, PROBLEM REAPPEARED AFTER 1500 MILES. 3RD TIME - LEXUS REPLACED THE ENTIRE DRIVE SHAFT, PROBLEM REAPPEARED AFTER 6000 MILES. 4TH TIME - SORRY! I WAS TOLD BY MY LOCAL SERVICING DEALER THAT AT THIS TIME ACCORDING TO LEXUS MY VEHICLE HAS THE MOST CURRENT UPDATE ( DRIVE SHAFT ) THAT LEXUS HAS TO OFFER AT THIS TIME. *NM

NHTSA ID
10136953
Incident
Dec 23, 2003
Mileage
12,417 mi
Powertrain (other)
Filed Mar 7, 2004

I PURCHASED A 2003 LEXUS GX470 AND HAVE BEEN HAVING PROBLEMS WITH A SERIOUS CLUNK/THUMP IN THE REAR TRANSMISSION. I BROUGHT IT INTO MY LEXUS DEALERSHIP AND THEY LUBED THE DRIVESHAFT. AFTER THIS IT WAS FIXED FOR APPROX 3 MONTHS BUT THIS THUMP/CLUNK IS BACK. I AM AFRAID THAT THIS MAY BE A SAFETY ISSUE AND IT SEEMS THAT LEXUS IS AVOIDING A FIX ACTION, ONLY PERFORMING A TEMP FIX. *JB

NHTSA ID
10060624
Incident
Nov 1, 2003
Mileage
2,000 mi
Powertrain (other)Visibility
Filed Mar 7, 2004

STRANGE THUMPING SOUND ON MY LEXUS GX470. EASY CRACKING OF THE WINDSHIELD ( A COMMON PROBLEM WITH THIS MODEL).

NHTSA ID
10060608
Incident
Feb 4, 2004
Mileage
3,000 mi
Powertrain (other)
Filed Mar 2, 2004

PURCHASED GX 470 JULY 03, BEGAN NOTICING THUMPING WHILE DRIVING AND ACCELERATING FROM SLOWING DOWN AND/OR STOPPING APPROVXIMATELY 5 MONTHS, 9000 MILES LATER. DEALERSHIP WAS ABLE TO FINISH MY SENTENCE WHEN FIRST ATTEMPTING TO DESCRIBE THE PROBLEM & VOLUNTEERED TO REPLACE THE DRIVESHAFT, WHICH DID NOT FIX THE PROBLEM. SERVICE TECHS ACKNOWLEDGED THAT REPLACING THE DRIVESHAFT DOESNT RESOLVE THE PROBLEM. RETURNED TRUCK AGAIN, DEALERSHIP KEPT TRUCK FOR 10 DAYS WITHOUT ONE WORD, DID NOTHING AND THEN SAID THERE WAS NOTHING WRONG WITH IT. SENT LETTER TO MANUFACTURER WHO IS PUSHING ARBITRATION THRU NCDS. BASED ON THE EXPERIENCE OF OTHERS, I HAVE NO FAITH THE LEXUS WILL ACCEPT REPONSIBILITY FOR THIS DEFECT FOR WHICH THEY ARE FULLY AWARE OF. *AK

NHTSA ID
10060214
Incident
Jan 1, 2004
Powertrain (other)Tires & wheelsTransmission
Filed Feb 6, 2004

THE TRANSMISSION DESIGN IS DEFECTIVE. THE VEHICLE LUNGES AND THRUSTS FORWARD WHILE THE BRAKE IS FIRMLY ENGAGED AS A RESULT OF THE DEFECT WHICH IS QUITE STARTLING. THE REAR DRIVE SHAFT ALLOWS THE FULL WEIGHT OF THE VEHICLE TO SLIDE FORWARD CAUSING A LOUD THUMP AND PROPELLING THE VEHICLE IN A FORWARD MOTION SEVERAL INCHES DESPITE HAVING THE BRAKE ENGAGED. THE SPLINES ON THE SLIP YOKE FOR THE REAR DRIVE SHAFT ARE NOT DESIGNED APPROPRIATELY.*AK

NHTSA ID
10056669
Incident
May 31, 2003
Mileage
15 mi
EnginePowertrain (other)
Filed Jan 27, 2004

WHEN HARD ACCELERATING SULFUR SMELL ENTERS CABIN MAKES ME NAUSEATED... WONDER IF CARBON MONOXIDE IS ENTERING CABIN ALSO . WHEN STOPPING OR STOPPED DRIVE SHAFT BUMPS HARD LIKE SOMEONE HITTING BACK OF VEHICLE. *JB

NHTSA ID
10054966
Incident
Jan 3, 2004
Powertrain (other)Transmission
Filed Dec 17, 2003

I BOUGHT THE 470 GX WITH 7 MILES ON IT. IT BEGAN TO "LURCH" AT ABOUT 2500 MILES. WHEN I REPORTED IT TO LEXUS, THEY AGREED THAT THIS WAS A PROBLEM ON SOME OF THE NEW GX'S. THE PROBLEM BECAME WORSE, AND THEY RECEIVED AUTHORIZATION TO REPLACE THE DRIVESHAFT. THIS HAS NOT CORRECTED THE PROBLEM AND THEY ARE AGAIN ORDERING A NEW DRIVE SHAFT. THE REASON I BELIEVE THIS IS A SAFETY ISSUE IS BECAUSE IT ALWAYS HAPPENS AT A FULL STOP, AND IT FEELS LIKE SOMEONE IS HITTING THE CAR FROM BEHIND. THE SAFETY CONCERN IS THE SENSATION OF MOVEMENT OF THE CAR, THIS IS STARTLING AND COULD POTENTIALLY CAUSE A DRIVER TO REMOVE THEIR FOOT FROM THE BRAKE. I CAN'T TELL IF THE CAR ACTUALLY MOVES, HOWEVER IF IT DOES, THIS COULD POSSIBLY LEAD TO AN ACCIDENT (IE. "FENDER-BENDER" OR WORSE AT A PEDESTRIAN CROSSING).*AK

NHTSA ID
10050633
Incident
Sep 2, 2003
Mileage
2,500 mi
BrakesPowertrain (other)
Filed Jun 3, 2003

WHEN RELEASING THE BRAKE PEDAL, THE VEHICLE MAKES A THUMPING NOISE. AT TIMES IT FEELS LIKE SOMEONE IS TAPPING ME IN THE REAR OF THE VEHICLE. I HAVE BROUGHT THE VEHICLE IN FOR SERVICE 3 TIMES BECAUSE OF THIS ISSUE AND EACH TIME I AM TOLD IT IS A "NORMAL CHARACTERISTICS OF THE VEHICLE." *NLM

NHTSA ID
10020954
Incident
Feb 5, 2003
Mileage
900 mi

Higher-selling and older vehicles accumulate more reports. Counts are not failure rates and are not directly comparable between vehicles that sold in very different numbers.

Elsewhere on this vehicle

Data sources

Data on this page last refreshed .