GMC Terrain Complaints (2017)

135 consumer complaints on file.

#11501036January 10, 2023
SEAT BELTS
The front passenger seat belt locks on passenger and will not release unless it is completely unbuckled. It keeps doing this for no reason. This was brought to dealer’s attention one to two years ago and they said I would have to pay cost of repair since warranty was off even though I purchased an extended warranty with this vehicle. The service department claims to have taken it apart and cleaned it but could not find problem. The problem is bad since passenger has to unbuckle belt multiple times during a trip.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11500269January 5, 2023
ENGINE, UNKNOWN OR OTHER, POWER TRAIN
The rear main seal is out, which is causing an oil leak. The intake manifold failed because the pvc system has a clog which has caused too much pressure to build up and caused the rear main seal to blow out. (PVC pipe is freezing over in cold temperatures which causes the failure of the main seal to blow out subsequently leading to additional major issues and parts failure. This issue has occurred in an overwhelming amount of vehicles.)
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11499915January 3, 2023
ENGINE
Pulling into work parking lot on Saturday 31Dec2022, my engine died, thinking it was the alternator or the starter, had it towed to a repair shop. Didn’t find out until Monday, 2Jan2023, that the engine completely locked up. The rear seal blew out and drained all the oil. I have been reading up on this and apparently this is reoccurring thing in said make and model of 2017. GMC and GM have to put out a recall on these vehicles with this manufacturing error/problem. Now I have to get a new goddamn vehicle because I cannot afford to get the engine replaced, which costs around $7000. End of message.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11499925January 3, 2023
ELECTRICAL SYSTEM, ENGINE, POWER TRAIN
2017 gmc Terrain. vin -[XXX] on 12-26-2023 milage - 80694 Catastrophic failure involving PCV Valve and blown seal that destroyed the motor. So ...why or even how are we discussing rear main Seal. This is COMPLETELY UNACCEPTA,BLE. I have 2 kids starting to drive the repair estimate is $8.000 to $10.000 INFORMATION Redacted PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6).
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11499383December 29, 2022
ENGINE
In very cold weather the 2.4 engines will blow the rear main seal out and cause rapid oil loss causing engine failure. This is the second time it has happened. First time was February 2022 and the dealer said they havent seen this problem before
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11499273December 28, 2022
ENGINE
It was Christmas weekend, the coldest days our area had seen this time of year in decades. Temperatures were around 0 degrees, with wind chills that were -25 below. The check engine light had come on the day before. My husband was literally driving to the mechanic to have it looked at, when the vehicle completely broke down across the street from his destination. Thank God he was approaching an intersection when it died, and not traveling at a higher rate of speed, where he could have been injured, or others on the roadway around him could have been injured. We had the vehicle towed to our GMC dealership where we purchased it just three years prior. Upon inspection from the mechanic, it was determined that the PCV valve was plugged causing pressure on the rear main seal, which then blew out, bending the valve covers, breaking the timing chain, the water pump chain, and damaging the head gasket. The whole bottom of the motor was covered in oil. Absolute catastrophic damage!! I’m told the cost to replace these parts to essentially rebuild the engine, would start at approximately $4000. A brand new engine would be about $11,000! This entire situation to me is just unbelievable! A five year old GM vehicle, with just 46,000 miles on it! This should not have happened. In researching, I’ve been made aware that this is a common issue with GMC Terrains. In fact there was Technical Service Bulletin made by GM for 2010-2013 models whose PCV valve would clog causing rear main seal blow outs. The holes were so small in diameter, technicians would use a 1/16 drill head to clean it out. This is an obvious manufacturer defect that apparently hasn’t been resolved in the newer model Terrains. How has this not been a safety recall yet?? Shame on you GM! This will be the last GMC vehicle I will own!
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11498874December 26, 2022
ENGINE, VEHICLE SPEED CONTROL
timing chain issues resulting in a loss of power of the vehicle while driving. The vehicle stalls out and shuts off. Or it will go into power saving mode and slow down to only 20mph. It did this to me one a MAJOR HIGHWAY and I almost was in an accident. Way to many issues with gmc owners and the timing chain on their vehicles
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11497981December 19, 2022
POWER TRAIN
The contact owns a 2017 GMC Terrain. The contact stated after stopping and shifting into park(P), the ignition switch could not be turned off and the key could not be removed from the ignition switch. While the contact was inspecting the rear of the vehicle, the vehicle started to roll backwards, almost injuring the contact. The vehicle was later driven to the local dealer who diagnosed that the control shifter was faulty and needed to be replaced. The vehicle was not yet repaired. The manufacturer was notified of the failure. The failure mileage was 41,000.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11492476November 6, 2022
EXTERIOR LIGHTING
Driver's side taillight & reverse light fills with water. This unsealed light issue has caused electrical wire corrosion.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11488157October 6, 2022
EXTERIOR LIGHTING
The contact owns a 2017 GMC Terrain. The contact received notification NHTSA Campaign Number: 22V137000 (Exterior Lighting) however, the part to do the recall repair was not yet available. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The local dealer was notified of the issue and confirmed that parts were not yet available. The manufacturer was notified of the issue and informed the contact that a second notice would be coming soon. The contact had not experienced a failure. Parts distribution disconnect.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11488181October 6, 2022
ELECTRICAL SYSTEM:IGNITION
The contact owns a 2017 GMC Terrain. The contact stated that on two separate occasions, the ignition key became stuck inside the ignition switch. The vehicle was towed to the local dealer who was unable to duplicate the failure. The cause of the failure was not determined. The manufacturer was notified of the failure but no assistance was offered. The failure mileage was 110,000.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11481763August 29, 2022
EXTERIOR LIGHTING
The contact owns a 2017 GMC Terrain. The contact received notification of NHTSA Campaign Number: 22V137000 (Exterior Lighting) however, the part to do the recall repair was not yet available. The dealer was made aware of the issue and confirmed that parts were not yet available. The manufacturer was made aware of the issue. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The contact had not experienced a failure. VIN tool confirms parts not available.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11469834June 17, 2022
EXTERIOR LIGHTING
The contact owns a 2017 GMC Terrain. The contact was notified through a ridesharing app that the VIN was included in NHTSA Campaign Number: 22V137000 (Exterior Lighting) however, the part to do the recall repair was unavailable. The dealer was made aware of the issue and confirmed that parts were not yet available. The manufacturer was made aware of the issue. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The contact had not experienced a failure. VIN tool confirms parts not available.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11463330May 4, 2022
VISIBILITY:WINDSHIELD WIPER/WASHER
On5/3/2022 we were driving on I65 around Shepherdsville KY. It was pouring down rain and our windshield wipers stopped working and stuck in the up position. We had a semi on each side of us. This made it even more difficult to see due to the rain coming off of their tires and spraying onto our window. We had to slow down to a dangerous low speed on the interstate due to the difficulty seeing. We made it to the shoulder after almost being hit by a semi We had to sit there until the rain stopped. This was extremely dangerous in itself being that it was on an interstate with high speed limits. We had no choice but to stop in the town of Shephardsville and get a hotel room. We are still trying to make our way back home at this time to IN. This has not been expected by anyone at this time. There were no warnings of any kind.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11462514April 27, 2022
AIR BAGS:SENSOR:OCCUPANT CLASSIFICATION:FRONT PASSENGER, AIR BAGS:SENSOR:OCCUPANT CLASSIFICATION:DRIVER
The contact owns a 2017 GMC Terrain. The contact stated while driving at various speeds, the passenger’s side air bag warning light illuminated, and an audible sound was heard. The contact stated that the failure occurred whether or not a passenger was seated in the seat. The contact stated that the driver’s side air bag warning was also activated while the driver was seated in the seat. The vehicle was taken to the dealer where the failure was diagnosed as a defective air bag sensor. The contact was informed that the sensor needed to be replaced. The contact stated that the dealer informed her that the failure was not covered under the warranty. The manufacturer was not notified of the failure. The failure mileage was unknown.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11458631March 28, 2022
POWER TRAIN
transmission jerking at low speeds no power,was told by dealer i need a new transmission i only have 60,000 miles on my 2017 terain gmc no warning indicator lights came on
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11455588March 7, 2022
ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION:SEALS/GASKETS
The contact's wife owns a 2017 GMC Terrain. The contact stated while his wife was driving 40 MPH, the vehicle started to stall, and shuddered inadvertently. The check engine warning light was illuminated. The contact met his wife at the scene and noticed that oil was leaking from underneath the front end of the vehicle onto the ground. The contact refilled the engine oil and his wife was able to drive the vehicle to their residence; however, oil continued to leak while she was driving. The contact refilled the engine oil and the vehicle was taken to the dealer, where it was diagnosed that the rear main seal was fractured and had failed. The vehicle was not repaired. The manufacturer was notified of the failure and informed the contact that there were no recalls associated with the failure; however, the manufacturer offered to cover 13-percent of the repair cost. The failure mileage was approximately 94,000.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11454802March 2, 2022
ENGINE
Driving home from work and was about 4 miles away from home when the "service stabilitrak' and "reduced engine power" lights came on. Safely drove home, parked vehicle on road to shovel driveway (snow storm). When I went to start it to move it into driveway "oil pressure" light came on. After moving it off street noticed oil on road where vehicle was sitting. Had towed to dealer where I get my oil changed (which was done about 3 weeks prior) they stated rear main seal went causing oil to drain from engine which also ruined my valves and threw out the timing. GM says they'll pay 25% of total $6200 bill. Although GM has yet to return a call regarding the case I opened with them on this asking for a larger percentage.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11452991February 19, 2022
ENGINE
The rear main seal broke. Causing oil to leave the reservoir and empty the engine. This was due to a frozen pvc from cold temperatures. My vehicles engine light came on and I pulled over immediately noticing there was no oil. but there was never an indication of low oil. My vehicle is serviced with every 5k miles for oil. 109,000 miles on a 2017 terrain. Blew the rear main seal and caused other damage as well. This is a manufacturers faulty equipment.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11450934February 8, 2022
ENGINE
Available for inspection upon request. The rear main seal is out, which is causing an oil leak. The intake manifold failed because the pcv system has a clog which has caused too much pressure to build up and caused the rear main seal to blow out. There were no dash lights. My car was completely out of oil from the issue and I had no indicators. This issue has been check and confirmed by a GMC mechanic.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0

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