LS2 V6-3.0L VIN R (2000)
3. Install heater inlet hose to coolant bridge and install clamp at 12 o'clock position.
4. Install heater inlet hose to heater pump and install clamp at 1 o'clock position.
5. Install heater pipe heater inlet hose to heater pump and install clamp at 12 o'clock position.
6. Install heater outlet hose to engine coolant inlet and install clamp.
7. Install return line to coolant bridge and install clamp at 2 o'clock position.