I need to fix a starter on my car - 1994 Pontiac Trans Sport

3.1L Engine
Besides regular hand tools, a special oil pressure sensor socket will be necessary to complete this operation.

1. Disconnect the negative battery cable.
2. Raise and support the vehicle safely.
3. Remove the A/C compressor brace (if equipped).
4. Extract the wiring harness from the retainer and position it out of the way.
5. Remove the cover from the starter wiring.
6. Remove the outer nut and disengage the wiring from the starter solenoid.
7. Disconnect the electrical connector from the oil pressure gauge sensor.
8. Using the special socket, remove the oil pressure gauge sensor.
9. Unbolt the starter from the engine. Retain any shims.

1. Install the starter to the engine, reuse any shims that were removed. Tighten to 32 ft. lbs. (43 Nm).
2. Connect the wiring to the solenoid and install the outer nut.
3. Place the cover over the starter wiring.
4. Replace the oil pressure gauge sensor using the special socket.
5. Plug the electrical connector onto the sensor.
6. Mount the harness to the retainer.
7. Install the A/C compressor brace (if equipped).
8. Lower the vehicle.
9. Connect the negative battery cable.

1. Disconnect the negative battery cable.
2. Raise and support the vehicle safely.
3. Disconnect the electrical connectors at the starter.
4. Remove the converter cover.
5. Remove the starter motor mounting bolts, and remove the starter.

1. Install the starter motor to the engine using the mounting bolts. Torque the bolts to 35 ft. lbs. (47 Nm).
2. Install the converter cover.
3. Reconnect the electrical connections to the starter.
4. Lower the vehicle.
5. Connect the negative battery cable.

1. Disconnect the negative battery cable.
2. Raise and support the vehicle safely.
3. Remove the cover from the starter wiring.
4. Remove the outer nut and wiring from the starter solenoid.
5. Remove the screws retaining the wiring harness clips and position the harness out of the way.
6. Take out the screw that retains the plastic flywheel cover and remove the cover from the vehicle.
7. Remove the bolts retaining the starter to the engine block, and remove the starter from the vehicle.

1. Install the starter and tighten the bolts to 32 ft. lbs. (43 Nm).
2. Install the plastic flywheel cover and screw
3. Reposition the wiring harness, and screw in the retaining harness clips.

1. Reconnect the wiring to the solenoid and install the outer nut.
2. Replace the cover over the starter wiring.
3. Lower the vehicle.
4. Connect the negative battery cable.