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 MANUALSCHEVROLET2005BLAZER 4WD V6-4.3L VIN XREPAIR AND DIAGNOSISSPECIFICATIONSMECHANICAL SPECIFICATIONSENGINECYLINDER BLOCK ASSEMBLYSYSTEM SPECIFICATIONSENGINE TORQUE SPECIFICATIONS
2005 Chevrolet Blazer 4WD V6-4.3L VIN X
Engine Torque Specifications
2005 Chevrolet Blazer 4WD V6-4.3L VIN XSECTION Engine Torque Specifications
Connecting Rod Nut
^ First Pass 27 Nm (20 ft lbs)
^ Final Pass 70 degrees
Crankshaft Balancer Bolt 95 Nm (70 ft lbs)
Crankshaft Balancer Remover/Installer Bolt 25 Nm (18 ft lbs)
Crankshaft Bearing Cap Bolt - Preferred Method
^ First Pass 20 Nm (15 ft lbs)
^ Final Pass 73 degrees
Crankshaft Bearing Cap Bolt - Optional Strategy 105 Nm (77 ft lbs)
Crankshaft Position Sensor Bolt 9 Nm (80 inch lbs)
Crankshaft Pulley Bolt 58 Nm (43 ft lbs)
Crankshaft Rear Oil Seal Housing Bolt and Nut 12 Nm (106 inch lbs)
Crankshaft Rear Oil Seal Housing Retainer Stud 6 Nm (53 inch lbs)
Engine Block Coolant Drain Hole Plug 20 Nm (15 ft lbs)
Engine Block Left Rear Oil Gallery Plug 30 Nm (22 ft lbs)
Engine Block Left Side Oil Gallery Plug 20 Nm (15 ft lbs)
Engine Block Oil Gallery Plug 20 Nm (15 ft lbs)
Engine Block Right Rear Oil Gallery Plug 20 Nm (15 ft lbs)
Engine Coolant Heater Bolt/Screw 2 Nm (18 inch 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.