There are 9 owner-reported powertrain & transmission complaints for the 2004 GMC Envoyin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
THE TRANSMISSION STARTED TO SLIP, NOTICED IT STARTING TO HAVE ISSUES GETTING UP TO PROPER SPEED WITHOUT SLIPPING AND TRYING TO STALL, AND WAS TOLD BY PREVIOUS OWNER WHOM I'M PURCHASING IT FROM THAT THERE IS A POSSIBLE ISSUE WITH THE TRANSFER CASE AS WELL, AS IT ENGAGES IT'S 4 WHEEL DRIVE WITHOUT ME TOUCHING IT, TRIED TO SERVICE THE TRANSMISSION AND PUT FRESH FLUID AND A NEW FILTER IN TO SEE IF IT WOULD HELP AND NOW IT CAN ONLY GO AS FAST AS 40 TO 55 BEFORE IT STARTS TO SLIP PRETTY BAD. I HAVE A BABY ON THE WAY DUE IN THE NEXT COUPLE WEEKS AND WITH IT SLIPPING AND DROPPING SPEED IT CAN CAUSE ME TO END UP GETTING HIT AND I DON'T WANT TO PUT MINE, MY CHILD, OR ANY OF MY OTHER PASSENGERS IN DANGER.
GEAR SHIFTER MOVES FREELY UP AND DOWN, BUT WILL NOT ENGAGE THE GEARS IN ORDER FOR THE VEHICLE TO MOVE.
VEHICLE IS STUCK IN PARK, ON THE DASH BOARD IT SHOW THE VEHICLE IN REVERSE. INSTRUMENT CLUSTER IS NOT WORKING PROPERLY, TACH GAUGE NOT READING CORRECTLY. TEMPERATURE GAUGE DOES NOT WORK AT ALL. FORWARD AIR VENTS DO NOT WORK ALL. *TR
TL*THE CONTACT OWNS A 2004 GMC ENVOY. THE CONTACT STATED THAT THE SPEEDOMETER AND FUEL GAUGE BECAME INOPERABLE. THE DEALER ESTIMATED THAT THE REPAIR WOULD COST $500 AT THE CONTACT'S EXPENSE. ON A SEPARATE OCCASION, THE VEHICLE WOULD ONLY SHIFT INTO FIRST AND SECOND GEAR AND WOULD NOT ACCELERATE OVER 35 MPH. IN ADDITION, THE RPMS WOULD REV HIGHER THAN NORMAL AND THE VEHICLE WOULD HESITATE WHEN ATTEMPTING TO PICK UP SPEED. THE CONTACT HEARD A LOUD HUMMING NOISE UNDER THE HOOD WHEN ATTEMPTING TO ACCELERATE. THE DEALER STATED THAT A NEW TRANSMISSION WAS NEEDED. THE REPAIR WOULD COST OVER $2,000. AN INDEPENDENT MECHANIC STATED THAT HE COULD REBUILD THE TRANSMISSION. THE VEHICLE HAS NOT BEEN REPAIRED. THE FAILURE MILEAGE WAS 44,386 UPDATED 07/28/09 *BF THE TRANSMISSION FAILED AT 58,000 MILES. UPDATED 07/31/09.*JB
TL*THE CONTACT OWNS A 2004 GMC ENVOY. WHILE MAKING A TURN AT 40 MPH, THE CONTACT HEARD A LOUD BOOM AND A GRINDING NOISE. SHE HAD THE VEHICLE TOWED TO HER MECHANIC AND THEN TO THE DEALER. THE DEALER STATED THAT THE FRONT DRIVER SIDE DIFFERENTIAL CASING WAS CRACKED. THE PURCHASE DATE WAS UNKNOWN. THE CURRENT AND FAILURE MILEAGES WERE 71,838.
TL* THE CONTACT OWNS A 2004 GMC ENVOY. WHILE DRIVING 55 MPH, THE DRIVER HEARD A LOUD NOISE IN THE FRONT OF THE VEHICLE. THE GEAR SHIFTS FROM NORMAL TO 4 WHEEL DRIVE. THE DEALER INFORMED THE CONTACT THAT THE FRONT DIFFERENTIAL WAS CRACKED AND NEEDED TO BE REPLACED. THE VEHICLE WAS DIAGNOSED FOR A SECOND OPINION AND THE MECHANIC AGREED WITH THE PREVIOUS FAILURE INCLUDING THAT THERE WAS NO OIL IN THE DIFFERENTIAL. THE CONTACT STATED THAT SHE HAS FILED A COMPLAINT## 71-492693494 WITH THE MANUFACTURER. THE CONTACT CAN PROVIDE PHOTOS IF NEEDED. THE DEALER ADVISED THE CONTACT THE VEHICLE CAN BE REPAIRED FOR A FEE. THE CURRENT AND FAILURE MILEAGE WERE 55453.
DT: THE CONTACT STATED THE SERVICE BRAKE LIGHT ILLUMINATED IN THE DASHBOARD. WHILE DRIVING THE VEHICLE AND PRESSING ON THE ACCELERATOR PEDAL THE VEHICLE LOST POWER. THE VEHICLE WAS TAKEN TO THE DEALERSHIP FOR INSPECTION, AND THEY CHANGED THE FAN CLUTCH ASSEMBLY. THE VEHICLE IS STILL UNDER WARRANTY .*AK
SERVICE 4WD LIGHT CAME ONE WITH 2500 MILES ON NEW 2004 GMC ENVOY. REPLACED ACTUATOR, THEN A CONTROL MODULE ON TRANSFER CASE. WAS TOLD NEITHER FIXED THE PROBLEM. NOW TOLD THE TRANSFER CASE MUST BE REPLACED.
THERE IS A MALFUNCTION IN CONSUMER GMC ENVOY POWER TRAIN CONTROL MODULE RESULTING IN FAILURE TO ACCELERATE. *TS *JB
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.
Data synced from NHTSA on Apr 26, 2026