2004 CHEVY TRAILBLAZER LT MODEL HAD DEFECTIVE SPEEDOMETER. CONSTANTLY SHOWING WRONG SPEED, AND STUCK BETWEEN 50 AND 120 MPH EVEN WHEN PARKED. *TR
2006
FUEL SYSTEM, GASOLINE
THE ISSUES STARTED ABOUT A MONTH AGO WHEN I HAD TWO UNEXPECTED STALLS DUE TO EMPTY FUEL TANK. THE NEEDLE WAS INDICATING THAT FUEL WAS STILL AVAILABLE, THOUGH NEAR EMPTY. THEN FINALLY THE MYSTERY WAS SOLVED ON NOVEMBER 15 WHEN THE FUEL LEVEL SENDER FINALLY FAILED. I FILLED THE TANK NORMALLY BUT WHEN I STARTED THE VEHICLE, THE NEEDLE STAYED AT EMPTY, LOW FUEL LIGHT CAME ON AND LOW WAS DISPLAYED IN THE RANGE SPEEDO DISPLAY. AFTER A QUICK SEARCH, I REALIZED THE SOURCE OF ALL MY PROBLEMS. ANOTHER FAULTY TRAILBLAZER FUEL LEVEL SENDER. I PURCHASED THE PART FROM MY LOCAL DEALERSHIP AND REPLACED MY PART (NO NEED TO REPLACE THE ENTIRE PUMP ASSEMBLY). HOWEVER AT CLOSE INSPECTION, I SEE THAT GM HAS CHANGED THE DESIGN OF THE METAL "WIPERS" THE SLIDE ALONG THE RESISTOR SEGMENTS ON THE SENDER. CLEARLY THEY REALIZED AT SOME POINT THAT THE DESIGN NEEDED IMPROVEMENT. THE NEW SENDER'S WIPERS ARE FEWER IN NUMBER, BUT ARE WIDER AND APPEAR TO MADE FROM SLIGHTLY THICKER METAL. ALL CONSIDERED, THE NEW DESIGN IS MORE ROBUST AND I ANTICIPATE LONGER LIFE. UNFORTUNATELY, AS I READ ALL THE COMPLAINTS, WE ALL SHARE THE SAME ISSUE AND HAVE PAID VARIOUS AMOUNTS TO GET THE ISSUE RESOLVED. I AM FORTUNATE THAT IT ONLY COST ME THE PART AND ONE ENTIRE EVENING. OTHERS ARE NOT SO LUCKY, THEY PAY WHATEVER THE DEALERSHIP NEEDS TO FIX THE FAULTY PART. THIS IS CLEARLY WIDESPREAD, EARLY LIFE FAILURE AND SHOULD BE ADDRESSED BY GM WITH COMPENSATION FOR A FAULTY AND NOW IMPROVED DESIGN.
