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 MANUALSCHEVROLET1998LUMINA V6-3.8L VIN KREPAIR AND DIAGNOSISSPECIFICATIONSMECHANICAL SPECIFICATIONSCOOLING SYSTEMSYSTEM SPECIFICATIONS
1998 Chevrolet Lumina V6-3.8L VIN K
System Specifications
1998 Chevrolet Lumina V6-3.8L VIN KSECTION System Specifications
Coolant Recovery Reservoir Mounting Nut 3.3 Nm (29 inch lbs.)
Electric Cooling Fan Mounting Bolts 6 Nm (53 inch lbs.)
Radiator Air Baffles 10 Nm (89 inch lbs.)
Radiator Bracket Mounting Bolts 24 Nm (18 ft. lbs.)
Radiator Lower Air Deflector 20 Nm (15 ft. lbs.)
Thermostat Housing Bolts (3100 Engine) 25 Nm (18 ft. lbs.)
Thermostat Housing Bolts (3800 Engine) 27 Nm (20 ft. lbs.)
Water Pump Bolts (3100 Engine) 10 Nm (89 inch lbs.)
Water Pump Pulley Bolts (3100 Engine) 25 Nm (18 ft. lbs.)
Water Pump Pulley Bolts (3800 Engine) 13 Nm (116 inch lbs.)
Water Pump Long Bolts (3800 Engine) 20 Nm (15 + 40° lbs.)
Water Pump Short Bolts (3800 Engine) 15 Nm (11 + 80° lbs.)
Electric Cooling Fan Mounting Bolts 6 Nm (53 inch lbs.)
Radiator Air Baffles 10 Nm (89 inch lbs.)
Radiator Bracket Mounting Bolts 24 Nm (18 ft. lbs.)
Radiator Lower Air Deflector 20 Nm (15 ft. lbs.)
Thermostat Housing Bolts (3100 Engine) 25 Nm (18 ft. lbs.)
Thermostat Housing Bolts (3800 Engine) 27 Nm (20 ft. lbs.)
Water Pump Bolts (3100 Engine) 10 Nm (89 inch lbs.)
Water Pump Pulley Bolts (3100 Engine) 25 Nm (18 ft. lbs.)
Water Pump Pulley Bolts (3800 Engine) 13 Nm (116 inch lbs.)
Water Pump Long Bolts (3800 Engine) 20 Nm (15 + 40° lbs.)
Water Pump Short Bolts (3800 Engine) 15 Nm (11 + 80° lbs.)
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.