2004 Mercury Sable Heater Core Removal and Installation

Removal & Installation 1. Disconnect the negative battery cable. CAUTION After disconnecting the negative battery cable, wait for at least 1 minute for the SRS or air bag module to deplete its energy. 2. Place the front wheels in the straight-ahead position. 3. Lock the steering column. 4. Remove or disconnect the following: SRS bolt covers from both sides of the steering wheel SRS module-to-steering wheel bolts SRS module and disconnect the electrical connector Steering wheel bolt and discard it 5. Press the steering wheel from the steering column. Lower steering column shaft bolt 2 lower instrument panel cover-to-instrument panel screws and unsnap the lower cover from the instrument panel 6. Turn ignition switch to the RUN position Insert a 1/8 in. (3mm) wire or pin punch in the lower steering column shroud hole, under the ignition 7. switch; then, press on the pin while pulling out on the ignition switch lock cylinder and remove it from the steering column lock cylinder housing. 8. Remove or disconnect the following: 3 steering column shroud screws and the shrouds Shift control selector lever boot Gearshift lever pin from the manual control lever and remove the lever Wiring connector at the bottom of the steering column and remove the wiring from the column, (if equipped with an overdrive lockout switch on the manual control lever) Electrical connectors Multi-function switch screws and move it aside Shift indicator cable from the shifter tube Shifter indicator-to-column adjustment cable screw Interlock cable and actuator (if equipped with a column shift) 4 steering column-to-instrument panel bracket nuts and steering column Push pins and the lower instrument cover from the instrument panel reinforcement (at the passenger’s side) Console finish panel 9. Under the steering column, 2 instrument panel brace screws, the courtesy lamp socket, the 2 Diagnostic Link Connector (DLC) screws and the instrument panel brace. 10. If not equipped with an Electronic Automatic Temperature Control (EATC), disconnect the electrical connectors and the vacuum harness from the evaporator housing and the blower motor. 11. If equipped with an Electronic Automatic Temperature Control (EATC), remove the sensor hose/elbow and disconnect the electrical harness connectors and the vacuum hose harness from the evaporator housing.

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