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 MANUALSCHEVROLET1999ASTRO VAN 2WD V6-4.3L VIN WREPAIR AND DIAGNOSISSPECIFICATIONSMECHANICAL SPECIFICATIONSENGINESYSTEM SPECIFICATIONSENGINE BLOCK SPECIFICATIONSFASTENER TIGHTENING SPECIFICATIONSENGINE BLOCK
1999 Chevrolet Astro Van 2WD V6-4.3L VIN W
Engine Block
1999 Chevrolet Astro Van 2WD V6-4.3L VIN WSECTION Engine Block
| Engine Block Left Side Oil Galley Plug | 15 Foot Pound-Force (ft.lb) | |
| Engine Block Left Rear Oil Galley Plug | 22 Foot Pound-Force (ft.lb) | |
| Engine Block Right Rear Oil Galley Plug | 15 Foot Pound-Force (ft.lb) | |
| Engine Block Coolant Drain Hole Plug | 15 Foot Pound-Force (ft.lb) | |
| Engine Block Oil Galley Plug | 15 Foot Pound-Force (ft.lb) | |
| Engine Coolant Temperature (ETC) Sensor | 15 Foot Pound-Force (ft.lb) | |
| Cylinder Bore Diameter | 4.0007-4.0017 Inch (in) | |
| Cylinder Bore Out Of Round | Production | MAX 0.00050 Inch (in) |
| Service | MAX 0.002 Inch (in) | |
| Cylinder Bore Taper | Producion Relief Side | MAX 0.0010 Inch (in) |
| Producion Thrust Side | MAX 0.0005 Inch (in) | |
| Service | MAX 0.0010 Inch (in) | |
| Oil Pan Alignment at Rear Of Engine Block | MAX 0.011 Inch (in) |
RENDER: 1.0x
NO RELATED
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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.