What fluid?
DEXRON-VI for the automatic transmission.
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In-depth guide
2018 GMC Terrain
2018 Terrain automatic transmission fluid is DEXRON-VI. No quart is printed in the capacities table that was read.
| Item | Figure |
|---|---|
| Automatic transmission | DEXRON-VI Automatic Transmission Fluid. Capacity not printed in the table that was read. |
| 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. |
Source: owner's manual / last verified 2026-10-16 (2018 GMC Terrain owner's manual, recommended fluids (opens in a new tab)).
Difficulty, time, and cost are estimates when this guide gives them. Torque is a cited figure, or it is left off.
Main source: 2018 GMC Terrain owner's manual, recommended fluids (opens in a new tab), General Motors, published 2017-09-15, read 2026-10-16.
Funnel
Only if you are adding the fluid the book names. The book does not print a home fill quantity.
| Item | Figure | Where it comes from |
|---|---|---|
| Automatic transmission | DEXRON-VI Automatic Transmission Fluid. Capacity not printed in the table that was read. | Recommended fluids and lubricants |
| 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. | Recommended fluids and capacities |
That is the fluid the lubricants table names. No capacity cell was printed for it.
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.
The fluid section treats a leak as a dealer repair. This page does not add a pan-bolt torque.
2018 GMC Terrain/Terrain Denali Owner's Manual, document Mexico-10664916, CRC 9/15/17. Engine oil is a different system: engine oil guide.
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Part
DEXRON-VI Automatic Transmission Fluid
The fluid named for the automatic transmission. No quart is printed.
2018 Terrain recommended fluids (opens in a new tab)Search Amazon.com (affiliate link) (opens in a new tab)As an Amazon Associate I earn from qualifying purchases.
Tool
Funnel
Only if you are adding the fluid the book names. The book does not print a home fill quantity.
DEXRON-VI for the automatic transmission.
Not printed in the capacities table that was read.
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These guides cover the same kind of work. Their numbers belong to those vehicles, not to this one.
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