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 MANUALSCHEVROLET1990BLAZER FULL SIZE V8-379 6.2L DSLREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSVEHICLE SPEED SENSORSERVICE AND REPAIRMANUAL TRANSMISSION
1990 Chevrolet Blazer Full Size V8-379 6.2L DSL
Manual Transmission
1990 Chevrolet Blazer Full Size V8-379 6.2L DSLSECTION Manual Transmission
Vehicle Speed Sensor Locations:
REMOVAL
1. Raise the vehicle and support it with suitable safety stands.
2. Remove connector.
3. Remove bolt or screw.
4. Remove speed sensor.
- Have a suitable container to catch fluid.
5. Remove O-ring seal.
INSTALLATION
1. Install new speed sensor and O-ring seal.
- Coat the seal with a thin film of transmission fluid.
2. Install bolt or screw.
- Torque bolt to 12 Nm (9 lbs ft).
- Torque Speed Sensor to 43 Nm (32 lbs ft).
3. Install harness connector.
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.