For 1990-2009 cars

Callout | Component Name
--- | ---
Caution: When adding coolant, use DEX-COOL® coolant. If silicated coolant is added to the system, premature engine, heater core or radiator corrosion may result. In addition, the engine coolant will require change sooner-at 50 000 km (30,000 mi) or 24 months.

Caution: Use care when handling the coolant sensor. Damage to the coolant sensor will affect the operation of the fuel control system.

#### Preliminary Procedures

Disconnect the engine coolant temperature sensor electrical connector.

1 | Engine Coolant Temperature Sensor Caution: Refer to Fastener Caution in the Preface section.

#### Procedure

1. Place a tray under the car to collect any draining coolant.
2. Release the engine control module and move to one side.
3. Release the air intake pipe and move to one side.
4. Fill the coolant to the maximum in the radiator surge tank.

Tighten
22 N·m (16 lb ft)