For 1990-2009 cars

## Throttle Body Heater Inlet Hose Replacement 5.7L

### Removal Procedure

#### 5.7L Engine Only

1. Drain the cooling system. Refer to Cooling System Draining and Filling .
2. Disconnect the throttle position sensor (TPS) electrical connector, if necessary.
3. Reposition the hose clamps at the throttle body and vent pipe.
4. Remove the throttle body heater inlet hose from the throttle body.
5. Remove the throttle body inlet hose from the vapor vent pipe.

### Installation Procedure

1. Install the throttle body inlet hose to the vapor vent pipe.
2. Install the throttle body heater inlet hose to the throttle body.
3. Reposition the hose clamps at the throttle body and vent pipe.
4. Connect the TPS electrical connector, if necessary.
5. Refill the cooling system. Refer to Cooling System Draining and Filling .