Town Car V8-4.6L VIN W (1997)
Crankshaft Position Sensor: Service and Repair
REMOVAL
1. Disconnect battery ground cable.
NOTE: When the battery has been disconnected or reconnected, some abnormal drive symptoms may occur while the Powertrain Control Module
(PCM) relearns its adaptive strategy. The vehicle may need to be driven 16 km (10 miles) or more to relearn the strategy.
2. Remove serpentine drive belt.
3. Raise vehicle on hoist.
4. Disconnect engine control sensor wiring from the crankshaft position sensor and the A/C compressor.
5. Recover A/C system and remove A/C compressor.
6. Remove crankshaft position sensor retaining screw and remove crankshaft position sensor.
Crankshaft Position (CKP) Sensor
INSTALLATION
1. Make sure crankshaft position sensor mounting surface is clean and that new crankshaft position sensor O-ring is in proper location on crankshaft
position sensor.
2. Position crankshaft position sensor and install retaining screw. Tighten to 8-12 Nm (71-106 lb in).
CAUTION: Do not overtighten retaining screw or damage to crankshaft position sensor may occur.
3. Install A/C compressor. Evacuate and recharge A/C system.
4. Properly route engine control sensor wiring and connect electrical connectors to A/C compressor and crankshaft position sensor.
5. Lower vehicle.
6. Install serpentine drive belt.
7. Connect battery ground cable.
