GMC · Known Issues
2017 GMC Terrain Problems: 11 Known Issues
2017 model year · 2,270+ owner reports · Updated September 2026
2017 · All trims · All engines
Choose the year and equipment for your written issues and visual request.
2017 model year · 2,270+ owner reports · Updated September 2026
2017 · All trims · All engines
Choose the year and equipment for your written issues and visual request.
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According to Au7o's analysis of 2,270+ owner reports, the 2017 GMC Terrain has 11 documented known issues, with 2 rated critical. The most serious are 2.4L I4 Excessive Oil Consumption and Piston Ring Failure ($1,200-$6,500 repair) and High Feature V6 (3.0L LF1 / 3.6L LFX) Timing Chain Stretch - P0008 / P0009 Cam-Crank Correlation ($1,800-$4,000 repair). The most commonly reported issue is 2.4L I4 Excessive Oil Consumption and Piston Ring Failure with 1,680 owner reports. Across all issues with published estimates, repair costs range from $100 to $6,500. DIY maintenance guides at au7o.io.
STRUCTURE:BODY:DOOR
General Motors, LLC (GM) is recalling certain 2024 Chevrolet Blazer, Blazer EV, Equinox, and GMC Terrain vehicles. The door strikers may fracture, resulting in the door opening unexpectedly.
AIR BAGS:SENSOR:OCCUPANT CLASSIFICATION:FRONT PASSENGER
General Motors, LLC (GM) is recalling certain 2023 Chevrolet Equinox and GMC Terrain vehicles equipped with ventilated front passenger seats. The Occupant Classification System may not properly disable the front passenger air bag when there is a small child or child restraint detected in the seat.
CHILD SEAT:VEHICLE LATCH ANCHOR
General Motors, LLC (GM) is recalling certain 2020-2023 Chevrolet Equinox and GMC Terrain vehicles. The four rear-seat lower child seat LATCH anchorage bars may have excessive powder coating, which could prevent a child seat from being installed with the anchorage bars. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 225, "Child Restraint Anchorage Systems."
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According to Au7o's analysis of 2,270+ owner reports, the 2017 GMC Terrain has 11 documented issues. The most frequently reported are: 2.4L I4 Excessive Oil Consumption and Piston Ring Failure, High Feature V6 (3.0L LF1 / 3.6L LFX) Timing Chain Stretch - P0008 / P0009 Cam-Crank Correlation, 6T40/6T45 6-Speed Transmission Shudder and Harsh Shifts. Of these, 2 are rated critical and should be addressed promptly.
The 2017 GMC Terrain has 11 known issues documented across 2,270+ owner reports. 2 issues are rated critical: 2.4L I4 Excessive Oil Consumption and Piston Ring Failure and High Feature V6 (3.0L LF1 / 3.6L LFX) Timing Chain Stretch - P0008 / P0009 Cam-Crank Correlation. Prospective buyers should inspect for these issues and factor potential repair costs into their purchase decision. Regular maintenance following the manufacturer's schedule helps prevent many common problems.
Repair costs for known GMC Terrain issues range from $0 to $6,500, depending on the specific problem and whether you choose DIY or professional repair. The most critical issue, 2.4L I4 Excessive Oil Consumption and Piston Ring Failure, typically costs $1,200-$6,500 to repair. Au7o provides step-by-step DIY maintenance guides that can help reduce repair costs.
The 2.4L LEA and LE9 four-cylinder engines in 2010-2017 Terrain are among the most reported excessive oil consumption issues in GM's lineup. Many owners consume 1 quart of oil every 1,000-2,000 miles. The root cause is inadequate piston ring tension combined with piston ring land… Repairs typically run $1,200-$6,500. Severity: high.
First-generation Terrains ordered with the optional V6 - the 3.0L LF1 in 2010-2012 and the 3.6L LFX from 2013-2017 - use GM's High Feature V6 architecture with four timing chains. The chains and their tensioners/guides stretch and wear prematurely, particularly on engines run on… Repairs typically run $1,800-$4,000. Severity: high.
Content on this page was compiled with AI assistance using NHTSA complaints, TSBs, owner reports, and public automotive data. While we strive for accuracy, this information may contain errors. Always verify repair procedures and specifications with your vehicle's service manual or a qualified mechanic.
SEATS
General Motors, LLC (GM) is recalling certain 2022-2023 Chevrolet Equinox and 2022 GMC Terrain vehicles. The driver's seat may have a stripped or loose bolt at the seat frame height-adjust pivot.
POWER TRAIN:AUTOMATIC TRANSMISSION
General Motors LLC (GM) is recalling certain 2018-2019 Chevrolet Cruze and Buick LaCrosse, 2018-2020 Chevrolet Equinox, Chevrolet Traverse and GMC Terrain, 2018 Chevrolet Malibu, 2019-2020 Buick Encore, Buick Enclave, Cadillac XT4, Chevrolet Blazer and GMC Acadia, and 2020 Cadillac XT6 vehicles. The start/stop accumulator endcap may have missing bolts.
+ 1 more recalls. Check all on NHTSA.gov
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The 2010-2017 Terrain uses the GM 6T40 (2.4L) and 6T45 (V6) 6-speed automatic transmissions, both of which suffer from torque converter shudder, harsh shifts, and solenoid failures. The shudder occurs at light throttle between 30-50 mph when the torque converter clutch locks up. Repairs typically run $150-$2,800. Severity: medium.
The engine-driven water pump develops bearing/impeller wear or seal leaks, allowing coolant to weep (often visible as dried Dex-Cool on the timing-chain cover or flung from the pump pulley) and eventually causing overheating. On both the 2.4L Ecotec and 3.6L V6, the pump is timin… Repairs typically run $1,008-$1,443. Severity: medium.
Terrain front and rear hub assemblies integrate the ABS magnetic encoder ring into the bearing's inboard seal, where it sits directly exposed to road salt and moisture. Two distinct failure modes result. The mechanical one is the familiar humming or roaring that rises with speed… Repairs typically run $300-$800. Severity: medium.
First-generation Terrains (2010-2017) are prone to a sudden 'Reduced Engine Power' warning caused by a failing electronic throttle body. Carbon and grime build up inside the bore and the internal throttle position sensor (TPS) fails or reads erratically, causing the ECM to enter… Repairs typically run $250-$650. Severity: medium.
GM recalled 740,581 first-generation Terrains because an internal reflection in the headlamp housing throws excessively bright light above the beam pattern and outside the driver's own field of view. The vehicles do not comply with Federal Motor Vehicle Safety Standard 108. The s… Repairs typically run $0-$0. Severity: medium.
Sunroof-equipped first-generation Terrains use a drain trough around the glass panel with four hoses routed down the A-pillars and out through the rear body-side extensions. The original-design hoses are small in diameter and prone to clogging with debris and factory sealant resi… Repairs typically run $100-$800. Severity: medium.
The IntelliLink/MyLink touchscreen freezes and spontaneously reboots, losing control of radio, climate, navigation and Bluetooth, and often displays a black screen or a frozen backup-camera image. During a reboot, phone calls drop and the rear camera can go dark while in reverse… Repairs typically run $100-$900. Severity: low.
The HVAC blend/mode-door actuators fail as their internal plastic gears strip, producing a repetitive clicking or knocking sound from behind the dash and causing loss of temperature or airflow control. On dual-zone systems one side commonly blows hot while the other blows cold, o… Repairs typically run $150-$450. Severity: low.
The fuel level sensor in the in-tank pump module is a potentiometer whose wiper rides on a resistor card. Sulfur compounds in pump gasoline plate onto the card, and varnish builds on the float arm pivot, so the sender's resistance no longer tracks actual tank level. First-generat… Repairs typically run $350-$900. Severity: low.