Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCHEVROLET2019EXPRESS 2500 BASE, VAN CARGO EXTENDED, 6.0L ENG VIN GREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 88 (ENGINE MECHANICAL - 4.3L (LV1))SPECIFICATIONSTHREAD REPAIR SPECIFICATIONSENGINE BLOCK - LEFT/RIGHT SIDE VIEWS
2019 Chevrolet Express 2500 Base, Van Cargo Extended, 6.0L Eng VIN G
Engine Block - Left/Right Side Views
2019 Chevrolet Express 2500 Base, Van Cargo Extended, 6.0L Eng VIN GSECTION Engine Block - Left/Right Side Views
WARNING: This page is about a different car, the 2018 GMC Savana 3500, 2018 GMC Savana 2500, 2018 Chevrolet Express 3500, and 2018 Chevrolet Express 2500. However, it is still accessible from the selected car via links, so may be relevant.
Engine Block - Left/Right Side Views
| Hole | Thread Size | Insert | Drill | Counterbore Tool | Tap | Driver | Drill Depth - Maximum mm (in) | Tap Depth - Maximum mm (in) |
|---|---|---|---|---|---|---|---|---|
| Standard Bolts J-42385- | ||||||||
| 1 | M8 x 1.25 | 210 | 206 | 207 | 208 | 209 | 23.0 (0.907) | 23.0 (0.907) |
| 2 | M10 x 1.25 | 420 | 211 | 212 | 213 | 214 | 34.0 (1.35) | 34.0 (1.35) |
| 3 | M8 x 1.25 | 61 | 206 | 207 | 208 | 209 | 29.0 (1.14) | 29.0 (1.14) |
| 4 | M12 x 1.75 | 865 | 856 | 857 | 858 | 859 | 16.0 (0.629) | 16.0 (0.629) |
| 5 | M12 x 1.75 | 62 | 856 | 857 | 858 | 859 | 23.0 (0.907) | 23.0 (0.907) |
| Head Bolts EN-42385- | ||||||||
| 6 | M12 x 1.75 | 58 | 51 | N/A | 52 | 53 | 58.0 (2.28) | 58.0 (2.28) |
| Refer to Thread Repair for head bolt thread repair hardware and procedure. | ||||||||
RENDER: 1.0x
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.