There are 2 stored owner reports matching the powertrain & transmission leading-label group for the 2009 Chevrolet Colorado in our NHTSA-sourced dataset. These are unverified consumer reports and may not reflect confirmed defects.
This group counts stored reports whose component label starts with one of this site's matching prefixes, ignoring case. Each matching report counts once within the group. Components mentioned later in the label or only in the narrative are not searched. How component counts work
Loaded 2 of 2 matching reports.
Open the full vehicle complaint log (all categories)THE TRANSMISSION OIL COOLER LINE WAS NOT SEATED IN ITS CLAMP/FITTING ALLOWING THE METAL LINE TO CONTACT/RUB THE STEEL FRAME WHEREBY A HOLE WAS WORN THROUGH TUBING. THIS CAUSED A TRANSMISSION OIL LEAK WHEREBY THE LEAKED FLUID WAS BEING SPRAYED ALONG THE UNDERSIDE OF THE VEHICLE WHEN THE VEHICLE WAS MOVING. *TR
ON SATURDAY OCT 24 2009 I WAS DRIVING MY 2009 CHEVROLET COLORADO WITH 1863 MILES ON IT ON THE HIGHWAY IN CHICAGO ALL OF A SUDDEN MY WIFE AND I FELT A SHUDDER IN THE TRUCK I THOUGHT IT WAS THE WIND ABOUT A MILE FURTHER WE FELT A EXPLOSION UNDER THE TRUCK SPARKS AND SMOKE COMING FROM UNDER THE TRUCK I THOUGHT IT WAS A BLOWN TIRE IT WASN'T FOUND OUT THAT WHAT HAPPENED WAS THE FRONT END OF THE DIFFERENTIAL HAD BLOWN OUT TAKING THE DRIVE SHAFT AND PART OF THE MUFFLER SYSTEM WITH IT WE WERE LUCKY TO MAKE IT TO THE SIDE OF THE ROAD I HAD IT TOWED TO THE DEALER WHERE IT IS RIGHT NOW THEY TELL ME THEY ARE REPLACING WITH ALL NEW PARTS THEY DO NOT KNOW HOW THIS HAPPENED THIS WAS A BRAND NEW TRUCK TWO MONTHS OLD WITH ONE THOUSAND EIGHT HUNDRED MILES ON IT. *TR
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
NHTSA source checks for this vehicle year
Checks are recorded separately for each dataset, not for the whole page. Dates use UTC. A missing check date does not mean no records exist.
Vehicle import recorded: Apr 28, 2026. This is the stored import date, not confirmation that every source was successfully refreshed.