NHTSA Complaint #10460795 — 2004 CHEVROLET TRAILBLAZER

ENGINE issue reported to NHTSA

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Complaint Details

ODI Number	10460795
Vehicle	2004 CHEVROLET TRAILBLAZER
Component	ENGINE
Date of Incident	April 15, 2012
Date Filed	June 6, 2012
Mileage	53,000 miles
Crash	No
Fire	No
Injuries	0
Deaths	0
Vehicle Towed	No
State	MN

Consumer Description

TL* THE CONTACT OWNS A 2004 CHEVROLET TRAILBLAZER. WHILE PARKED WITH THE ENGINE RUNNING, THE CONTACT HEARD A LOUD KNOCKING NOISE COMING FROM THE ENGINE. THE VEHICLE WAS TAKEN TO THE DEALER FOR DIAGNOSTICS. THE TECHNICIAN ADVISED THAT THE KNOCKING NOISE WAS NORMAL FOR THE TYPE OF ENGINE IN THE VEHICLE. THE VEHICLE WAS THEN TAKEN TO AN INDEPENDENT MECHANIC WHO ADVISED THE CONTACT THAT THE PISTONS IN THE ENGINE WERE DOWN SIZED, CAUSING THE NOISE. THE VEHICLE WAS NOT REPAIRED. THE APPROXIMATE FAILURE MILEAGE WAS 53,000.

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