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 DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSVEHICLE SPEED SENSORSERVICE AND REPAIRNV 3500 MANUAL TRANSMISSION
2005 Chevrolet Blazer 4WD V6-4.3L VIN X
NV 3500 Manual Transmission
2005 Chevrolet Blazer 4WD V6-4.3L VIN XSECTION NV 3500 Manual Transmission
Vehicle Speed Sensor (VSS)
Removal Procedure
1. Raise and support the vehicle. Refer to Vehicle Lifting.
2. Disconnect the electrical connector from the vehicle speed sensor.
3. remove these parts:
^ The vehicle speed sensor
^ The O-ring seal
Installation Procedure
1. Coat a new O-ring seal with a thin film of transmission oil.
2. Notice: Refer to Fastener Notice in Service Precautions.
Install these parts:
1. The O-ring on the vehicle speed sensor assembly.
2. The vehicle speed sensor assembly.
3. Tighten the bolt to 16 Nm (12 ft. lbs.).
3. Install the electrical connector to the vehicle speed sensor.
4. Lower the vehicle.
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.