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 MANUALSCHEVROLET1994LUMINA V6-204 3.4L DOHCREPAIR AND DIAGNOSISSPECIFICATIONSMECHANICAL SPECIFICATIONSCOOLING SYSTEM
1994 Chevrolet Lumina V6-204 3.4L DOHC
Cooling System
1994 Chevrolet Lumina V6-204 3.4L DOHCSECTION Cooling System
Component Torque/Ft. Lbs.
Camshaft Carrier Bolt 20
Camshaft Carrier Cover Bolt 8
Camshaft Carrier Thrust Plate Bolt 8
Camshaft Sprocket Bolt [04]
Connecting Rod Cap Nut 39
Crankshaft Damper Mounting Bolt 79
Crankshaft Main Cap Bolt [02]
Crankshaft Pulley To Crankshaft Damper Bolt 44
Cylinder Head Bolt [03]
EGR Tube Assembly Bolt 18
EGR Valve Assembly Bolt 18
Exhaust Crossover Nut 7
Exhaust Heat Shield Nut 10
Exhaust Mounting Nut 10
Exhaust Stud 13
Flywheel To Engine Bolt 60
Front Cover Bolts (Large) 35
Front Cover Bolts (Small) 20
Fuel Filter 22
Fuel Pipe Clip Bolt 5
Fuel Pipe Retaining Screw [01] 21
Fuel Rail Bolt 8
Ignition Coil Bolt 18
Ignition Coil Nut 18
Intake Manifold Bolt 18
Intake Plenum Bolt 18
Intake Plenum Nut 8
Intermediate Shaft Thrust Plate Screw 8
Intermediate Shaft Belt Sprocket Bolt 8
Knock Sensor 15
Oil Cooler Connector 30
Oil Cooler Fitting 18
Oil Distribution Cover Bolt 20
Oil Level Indicator Bolt 8
Oil Pan Baffle Nut 18
Oil Pan Bolt [05]
Oil Pan Drain Plug 18
Oil Pan Nut 8
Oil Pump Drive Bolt 27
Oil Pump To Rear Main Bolt 40
Power Steering Pump To Bracket Bolt 25
Rear Camshaft Cover Bolt 8
Rear Engine Mounting Brace To Bracket Bolt 60
Rear Engine Mounting Brace To Bracket Nut 35
Secondary Timing Belt Idler Bolt 37
Secondary Timing Belt Tensioner Bracket Bolt 37
Secondary Timing Belt Tensioner Pulley Bolt 37
Secondary Timing Belt Tensioner Side Plate Bolt [04]
Serpentine Drive Belt Tensioner Bolt 37
Spark Plug 15
Starter Mounting Bolt 32
Tensioner Mounting Bolt 18
Timing Belt Cover Bolt 8
Timing Chain Tensioner Bolt 20
Torque Strut and Engine Lift Bracket Bolt 52
Trace Bracket To Rear Engine Mounting Bracket Bolt 35
Upper Radiator Mounting Panel Bolt 8
Water Bypass Nut 18
Water Outlet Bolt 20
Water Pump Bolt 8
[01] Inch lbs.
[02] Torque to 37 ft. lbs. plus an additional 75 °.
[03] Refer to Cylinder Head, Replace.
[04] 1994-95, 81 ft. lbs.; 1996, 96 ft. lbs.
[05] Except two rear bolts, 8 ft. lbs.; two rear bolts, 18 ft. lbs.
Camshaft Carrier Bolt 20
Camshaft Carrier Cover Bolt 8
Camshaft Carrier Thrust Plate Bolt 8
Camshaft Sprocket Bolt [04]
Connecting Rod Cap Nut 39
Crankshaft Damper Mounting Bolt 79
Crankshaft Main Cap Bolt [02]
Crankshaft Pulley To Crankshaft Damper Bolt 44
Cylinder Head Bolt [03]
EGR Tube Assembly Bolt 18
EGR Valve Assembly Bolt 18
Exhaust Crossover Nut 7
Exhaust Heat Shield Nut 10
Exhaust Mounting Nut 10
Exhaust Stud 13
Flywheel To Engine Bolt 60
Front Cover Bolts (Large) 35
Front Cover Bolts (Small) 20
Fuel Filter 22
Fuel Pipe Clip Bolt 5
Fuel Pipe Retaining Screw [01] 21
Fuel Rail Bolt 8
Ignition Coil Bolt 18
Ignition Coil Nut 18
Intake Manifold Bolt 18
Intake Plenum Bolt 18
Intake Plenum Nut 8
Intermediate Shaft Thrust Plate Screw 8
Intermediate Shaft Belt Sprocket Bolt 8
Knock Sensor 15
Oil Cooler Connector 30
Oil Cooler Fitting 18
Oil Distribution Cover Bolt 20
Oil Level Indicator Bolt 8
Oil Pan Baffle Nut 18
Oil Pan Bolt [05]
Oil Pan Drain Plug 18
Oil Pan Nut 8
Oil Pump Drive Bolt 27
Oil Pump To Rear Main Bolt 40
Power Steering Pump To Bracket Bolt 25
Rear Camshaft Cover Bolt 8
Rear Engine Mounting Brace To Bracket Bolt 60
Rear Engine Mounting Brace To Bracket Nut 35
Secondary Timing Belt Idler Bolt 37
Secondary Timing Belt Tensioner Bracket Bolt 37
Secondary Timing Belt Tensioner Pulley Bolt 37
Secondary Timing Belt Tensioner Side Plate Bolt [04]
Serpentine Drive Belt Tensioner Bolt 37
Spark Plug 15
Starter Mounting Bolt 32
Tensioner Mounting Bolt 18
Timing Belt Cover Bolt 8
Timing Chain Tensioner Bolt 20
Torque Strut and Engine Lift Bracket Bolt 52
Trace Bracket To Rear Engine Mounting Bracket Bolt 35
Upper Radiator Mounting Panel Bolt 8
Water Bypass Nut 18
Water Outlet Bolt 20
Water Pump Bolt 8
[01] Inch lbs.
[02] Torque to 37 ft. lbs. plus an additional 75 °.
[03] Refer to Cylinder Head, Replace.
[04] 1994-95, 81 ft. lbs.; 1996, 96 ft. lbs.
[05] Except two rear bolts, 8 ft. lbs.; two rear bolts, 18 ft. 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.