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 MANUALSCHEVROLET1994ASTRO VAN M V6-262 4.3L VIN ZREPAIR AND DIAGNOSISSPECIFICATIONSMECHANICAL SPECIFICATIONSCOOLING SYSTEM
1994 Chevrolet Astro Van M V6-262 4.3L VIN Z
Cooling System
1994 Chevrolet Astro Van M V6-262 4.3L VIN ZSECTION Cooling System
Component Torque/Ft. Lbs.
Coolant Outlet Bolts 14
Coolant Pump Bolts 30
Thermostat 15
Water Outlet Bolts 21
Water Pump Bolts 30
Fan Clutch 18
Coolant Outlet Bolts 14
Coolant Pump Bolts 30
Thermostat 15
Water Outlet Bolts 21
Water Pump Bolts 30
Fan Clutch 18
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.