2025 GMC Terrain Spark plugs
0.024–0.028in
Gap · 1.5L L4 Gas Engine (LSD)
2025 GMC Terrain Owner's Manual, PDF page 296
0.60–0.70 mm (0.024–0.028 in)Open the manual at this page ↗Added Oct 15, 2026 · Updated
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Spark plugs (gap) · 1.5L L4 Gas Engine (LSD) · PDF page 296
0.60–0.70 mm (0.024–0.028 in)
See every quote (1 value)
As printed in the manual
| Applies to | Value | Manual says | Page |
|---|---|---|---|
| 1.5L L4 Gas Engine (LSD) | 0.024–0.028 ingap | “0.60–0.70 mm (0.024–0.028 in)” | PDF page 296 ↗ |
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