Titan 4WD V8-5.6L (VK56DE) (2006)
Housing Assembly HVAC: Service and Repair
Manual Air Conditioner
HEATER & COOLING UNIT ASSEMBLY
Removal and Installation
REMOVAL
1. Discharge the refrigerant from the A/C system.
2. Drain the coolant from the engine cooling system.
3. Disconnect the heater hoses from the heater core.
4. Disconnect the high/low pressure pipes from the expansion valve.
5. Move the two front seats to the rearmost position on the seat track.
6. Disconnect the battery negative terminal and battery positive terminal.
7. Remove the instrument panel and console panel. See: Body and Frame/Interior Moulding / Trim/Dashboard / Instrument Panel/Service and Repair
8. Remove the steering column.
9. Disconnect the instrument panel wire harness at the RH and LH in-line connector brackets, and the fuse block (J/B) electrical connectors. Refer to
"Harness Layout".
10. Disconnect the steering member from each side of the vehicle body.