2017 GMC Terrain Service and Repair Manual

This factory service and repair manual for the 2017 GMC Terrain closes the first generation, still on the four-door sport utility body and still offered as Denali, SL, SLE or SLT with a choice between the 2.4L DOHC inline-four of 145 cubic inches and the 3.6L DOHC V6 of 217 cubic inches, both naturally aspirated and both listed with flex-fuel capability. By this point the design was fully settled, and the book documents it accordingly: procedures, published specifications, torque values, wiring diagrams and diagnostics organized system by system.

Engines covered

• 2.4L inline-four (145 cu in) — DOHC, naturally aspirated, gasoline or flex-fuel
• 3.6L V6 (217 cu in) — DOHC, naturally aspirated, flex-fuel or gasoline

Body styles covered

• 4-door sport utility

Trims covered

• Denali
• SL
• SLE
• SLT

Known issues on the 2017 Terrain. A single recall is on the federal record: the headlight housings throw a reflection that illuminates areas above and outside the driver's line of sight brightly enough to glare oncoming traffic. The complaint side is heavier, with 133 filings logged by owners and the engine accounting for the largest share, followed by the power train and then the air bags. Engine and transmission diagnostics, restraint system procedures and the exterior lighting sections all sit within this manual's coverage.