Astro Van 2WD V6-4.3L VIN W (2001)
1. Coat the threads with sealer GM P/N 9985253 or equivalent.
2. Install the ECT sensor.
Tighten
Tighten the ECT sensor to 20 N.m (15 lb ft).
3. Connect the ECT sensor harness connector to the ECT sensor.
4. Refill the cooling system.
5. Install the engine cover.