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.
SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSPONTIAC2004AZTEK AWD V6-3.4L VIN EREPAIR AND DIAGNOSISTRANSMISSION AND DRIVETRAINTRANSFER CASESPEED SENSORSERVICE AND REPAIR
2004 Pontiac Aztek AWD V6-3.4L VIN E
Speed Sensor: Service and Repair
2004 Pontiac Aztek AWD V6-3.4L VIN ESECTION Service and Repair
Speed Sensor Replacement
Removal Procedure
1. Raise and support the vehicle. Refer to Vehicle Lifting.
2. Disconnect the electrical connector from the speed sensor.
3. Remove the speed sensor / vent hose bolt (3) from the transfer case.
4. Reposition the pinion housing vent hose (2) and mounting bracket away from the speed sensor bolt boss.
5. Remove the speed sensor (1).
6. Remove O-ring from the speed sensor, if necessary. The O-ring may be reused if it is not cut or damaged.
Installation Procedure
1. Install the O-ring to the speed sensor, if removed.
2. Install the speed sensor (1) to the transfer case.
3. Position the pinion housing vent hose (2) and mounting bracket to the speed sensor bolt boss.
4. Notice: Refer to Fastener Notice in Service Precautions.
Install the speed sensor bolt (3) to the transfer case.
Tighten the bolt to 30 Nm (22 ft. lbs.).
5. Connect the electrical connector to the speed sensor.
6. Lower the vehicle.
Removal Procedure
1. Raise and support the vehicle. Refer to Vehicle Lifting.
2. Disconnect the electrical connector from the speed sensor.
3. Remove the speed sensor / vent hose bolt (3) from the transfer case.
4. Reposition the pinion housing vent hose (2) and mounting bracket away from the speed sensor bolt boss.
5. Remove the speed sensor (1).
6. Remove O-ring from the speed sensor, if necessary. The O-ring may be reused if it is not cut or damaged.
Installation Procedure
1. Install the O-ring to the speed sensor, if removed.
2. Install the speed sensor (1) to the transfer case.
3. Position the pinion housing vent hose (2) and mounting bracket to the speed sensor bolt boss.
4. Notice: Refer to Fastener Notice in Service Precautions.
Install the speed sensor bolt (3) to the transfer case.
Tighten the bolt to 30 Nm (22 ft. lbs.).
5. Connect the electrical connector to the speed sensor.
6. Lower the vehicle.
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
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.