The contact owns a 2014 GMC Terrain. The contact stated while driving at various speeds, there was oil leaking from the vehicle. There were no warning lights illuminated. The vehicle was taken to the local dealer where it was diagnosed and determined that the PCV valve was frozen and caused oil to leak from the vehicle. The vehicle was not repaired. The manufacturer was not notified of the failure…
2014 gmc Terrain engine problems
moderate 93 complaints filed with NHTSA · avg repair $3,100
Complaints
93
Recalls
0
Crashes
0
Avg fix
$3,100
What owners are reporting 4 most recent
FOR THE PAST TWO MONTHS THERE HAS BEEN A STEADY INCREASE IN CARBON MONOXIDE LEAK IN THE CABIN OF MY VEHICLE. INITIALLY I THOUGHT IT WAS SOMETHING THAT WILL GO AWAY BUT FOR SOME MONTHS NOW THE LEAK HAS BEEN GROWING. I HAVE TO DRIVE WITH MY WINDOWS DOWN JUST TO BE ABLE TO BREATHE IN MY VEHICLE. THIS VEHICLE HAVE NOT HAD AN ACCIDENT OR DAMAGE. I HAVE KEPT A CLEAN MAINTENANCE RECORD OF THIS VEHICLE. I…
I HAVE A 2014 GMC TERRAIN WITH 102000 APPROXIMATELY. I RECEIVED NOTICE THAT I NEEDED TO CHANGE MY OIL. I WENT ABOUT 50 MILES AND STARTED MAKING A BUBBLY SOUND. WHEN I WENT TO GET MY OIL CHANGED, THE MECHANIC SAID IT WAS SO LONG THEY COULDN'T GET SOME ON THE DIP STICK. I LEFT THE MECHANIC WITH 100% OF OIL AND JUST DROVE TO SAN ANTONIO AND IT IS DOWN TO 98 %. I HAVE A 2008 CHEVY TRAILBLAZER AND …
My engine Burns a very large amount of oil rapidly. I have to replace oil in the engine at least twice a week. I went to the Automotive Service Center and they indicated that my timing chain need to be readjusted and that the engine itself between the year of 2010 and 2017 on gmc terrains have major problems/ defects in with the engine. I was driving on the highway and the car slowed down I…
Common questions
How serious is the engine problem on the 2014 gmc Terrain?
It's a documented issue but not catastrophic. 93 complaints have been filed. Repairs average $3,100 and most owners catch it before it causes a breakdown.
At what mileage does the engine typically fail?
Mileage data is limited for this issue. Owners report failures across a wide range, suggesting cause is more about driving conditions and maintenance than mileage alone.
What does it cost to fix?
Independent shops typically charge around $3,100 for engine repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to engine?
No active recalls currently cover engine issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.
Other problem areas on this vehicle
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. Severity ratings are derived from reported crashes, fires, injuries, and fatalities.
Repair cost estimates are independent-shop national averages and may differ in your area.
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