Aviator 2WD V8-4.6L DOHC (2003)
Heater Core: Service and Repair
Auxiliary Climate Control
HEATER CORE - AUXILIARY
CAUTION: This engine is equipped with a cold side thermostat. Whenever the engine block or the front or rear (auxiliary) heater cores have
been drained, fill and bleed procedures must be carried out or damage to the engine can occur.
NOTE: Lubricate the coolant hoses with plain water only if needed.
REMOVAL
1. Position the vehicle on a hoist with the gear selector in NEUTRAL.
2. Using suitable tools, clamp-off the underbody heater hoses at the floorpan bracket.
Illustration 1 Of 3
3. Illustration 1 of 3. Remove the components in the order indicated in the illustration and table.