2018 GMC Terrain

Published repairs below cite a manual or a manufacturer chart. Coming soon pages are names only. Capacities and torque on this year stay on this year.

This year uses the Terrain and Terrain Denali owner's manual, CRC 9/15/17. Drive layout is its own oil row. The diesel is not a gas grade.

Oil, coolant, plugs, both filters, wipers, brakes, wheel nuts, transmission fluid, the drive-belt figure, and the tire-label note are filed from that book.

2018 is the Terrain and Terrain Denali owner's manual, CRC 9/15/17. Front-wheel drive and all-wheel drive do not share an oil row. Other Terrain years are not filed here.

Cited specifications

Copied from the published guides for this year. Each figure stays with that guide and that guide's source. Open the guide before you use it.

Specifications cited on this year's guides
Guide	Item	Figure
Brake pads and rotors	Wear warning	High-pitched sound from the built-in pad wear indicators. Have the vehicle serviced.
Brake pads and rotors	Inspection	Inspect the pads for wear when the tires are rotated.
Brake pads and rotors	Fluid	GM approved DOT 3. GM Part No. 19353126, in Canada 19299819. Level between the minimum and maximum marks. Do not top off.
Brake pads and rotors	What is not printed	No pad thickness, rotor minimum, or caliper torque.
Cabin air filter	Element	GM 13508023, ACDelco CF185.
Cabin air filter	What is not printed	No replacement mile interval was locked from the schedule columns, and no glove-box torque exists.
Drive belt	Routing	A figure in Engine Drive Belt Routing. Not redrawn.
Drive belt	What is not printed	No belt length, part number, or tensioner torque.
Engine air filter	Part	1.5L L4 gas (LYX), all-wheel drive, 1.5L L4 gas (LYX), front-wheel drive, 2.0L L4 gas (LTG), all-wheel drive, 2.0L L4 gas (LTG), front-wheel drive, 1.6L L4 diesel (LH7): GM 23279657, ACDelco A3226C.
Engine coolant	1.5L L4 gas (LYX), all-wheel drive	6.6 L (7.0 qt)
Engine coolant	1.5L L4 gas (LYX), front-wheel drive	6.6 L (7.0 qt)
Engine coolant	2.0L L4 gas (LTG), all-wheel drive	7.8 L (8.2 qt)
Engine coolant	2.0L L4 gas (LTG), front-wheel drive	7.8 L (8.2 qt)
Engine coolant	1.6L L4 diesel (LH7)	7.5 L (7.9 qt)
Engine coolant	Mixture	50/50 clean, drinkable water and DEX-COOL only. Freezing protection down to −37 °C (−34 °F).
Engine coolant	Service life sentence	A 5-year or 150,000-mile sentence was not in the Terrain coolant pages that were read. This page does not copy the Cruze sentence.
Engine oil and filter	1.5L L4 gas (LYX), all-wheel drive	5.0 L (5.3 qt) with the filter. dexos1. For the LYX 1.5L turbo: dexos1-approved ACDelco full synthetic 0W-20, dexos1-approved Mobil 1 full synthetic 0W-20, or any other 0W-20 meeting dexos1 second generation. Oil filter GM 12640445, ACDelco PF64.
Engine oil and filter	1.5L L4 gas (LYX), front-wheel drive	4.0 L (4.2 qt) with the filter. Same 0W-20 dexos1 list as the all-wheel-drive 1.5L. The with-filter oil quantity is not the same. Oil filter GM 12640445, ACDelco PF64.
Engine oil and filter	2.0L L4 gas (LTG), all-wheel drive	5.7 L (6.0 qt) with the filter. dexos1. Use SAE 5W-30 for the LTG 2.0L turbo. Below −29 °C (−20 °F), an SAE 0W-30 may be used. Oil filter GM 12640445, ACDelco PF64.
Engine oil and filter	2.0L L4 gas (LTG), front-wheel drive	4.7 L (5.0 qt) with the filter. Same SAE 5W-30 dexos1 rule as the all-wheel-drive 2.0L. The with-filter oil quantity is not the same. Oil filter GM 12640445, ACDelco PF64.
Engine oil and filter	1.6L L4 diesel (LH7)	5.0 L (5.3 qt) with the filter. dexos2 of the proper SAE viscosity. ACDelco dexos2 is recommended. If dexos2 is unavailable, a substitute meeting ACEA C3 of the appropriate viscosity may be used. The SAE 5W-30 sentence in this book is for the LTG 2.0L turbo, not this diesel. Oil filter GM 55588497, ACDelco PF2264G.
Engine oil and filter	What is not printed	No drain-plug torque and no mile interval that replaces the oil life system.
Spark plugs	1.5L L4 gas (LYX), all-wheel drive	Gap 0.60–0.70 mm (0.024–0.028 in). GM 12673527, ACDelco 41-153.
Spark plugs	1.5L L4 gas (LYX), front-wheel drive	Gap 0.60–0.70 mm (0.024–0.028 in). GM 12673527, ACDelco 41-153.
Spark plugs	2.0L L4 gas (LTG), all-wheel drive	Gap 0.75–0.90 mm (0.030–0.035 in). GM 12647827, ACDelco 41-125.
Spark plugs	2.0L L4 gas (LTG), front-wheel drive	Gap 0.75–0.90 mm (0.030–0.035 in). GM 12647827, ACDelco 41-125.
Spark plugs	1.6L L4 diesel (LH7)	Gap cell is a dash. No plug part number in the parts table.
Tire pressure	Where the pressure is printed	Tire and Loading Information label on the vehicle.
Tire pressure	What is not printed	No psi or kPa table was in the capacities pages that were read.
Transmission fluid	Automatic transmission	DEXRON-VI Automatic Transmission Fluid. Capacity not printed in the table that was read.
Transmission fluid	Other fluids in this book	Transfer case fluid, all-wheel drive, GM Part No. 88900401, in Canada 89021678. Capacity 0.8 L (0.85 qt). That is not DEXRON-VI.
Wheel lug nuts	Wheel nut torque	140 N·m (100 lb ft).
Wheel lug nuts	Sequence	Crisscross, as shown in the tire-changing section. The order drawing stays in the manual.
Windshield wiper blades	Driver	60 cm (23.6 in). GM 23368186.
Windshield wiper blades	Passenger	45.0 cm (17.7 in). GM 23353587.
Windshield wiper blades	Rear	30.0 cm (11.8 in). GM 84215609.

Torque cited on this year's guides
Guide	Fastener	Torque
Wheel lug nuts	Wheel nuts	140 N·m (100 lb ft)

Guides

BaySheet

Opening the sheet…