How to Replace Heater core For Mercury And Taurus?

The heater core replace details are as follows :---

Taurus And Sable

Removal And 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
7. Insert a ¹ / ₈ in. (3mm) wire or pin punch in the lower steering column shroud hole, under the ignition 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.
12. Insert the Radio Removing tools 415-001into the integrated control panel faceplate; then, push the tools in approximately 1 ¹ / ₂ in. (38mm) to release the retaining clips. Spread the tools slightly and pull the integrated control panel from the instrument panel.
13. Remove or disconnect the following:
    
    
    Electrical connectors and the automatic temperature control sensor hose and elbow, if equipped

    6 console center finish panel screws and the panel, (if equipped with a floor shift)

    4 instrument panel finish panel screws and panel, located at the right side of the steering column, (if equipped with a column shift)

    Instrument cluster finish panel-to-instrument panel clips and pull the finish panel straight out

    4 instrument cluster-to-instrument panel screws, the electrical connectors and the instrument cluster

    Upper finish panel (located at the top of the instrument panel)

    Light sensor amplifier connector, (if equipped with an autolamp)

    Instrument panel finish end panels on both sides of the instrument panel

    Front scuff plates and pull the door weatherstrip away from the instrument panel (on both sides of the instrument panel)

    3 instrument panel-to-upper cowl top panel screws

    2 screws at each end of the instrument panel

    Instrument panel electrical connectors and the parking brake switch

    Instrument panel
14. Drain the cooling system into a clean container for reuse
15. Remove or disconnect the following:
    
    WARNING

    Do not attempt to bend any part of the lever, for it is brittle and will break.
    
    
    
    
    Heater hoses from the heater core and plug the openings

    4 air conditioning electronic blend door actuator-to-heater/air conditioning housing assembly screws and the actuator

    Metal cover, disengage the spring from the heater core cover and from the lever

    Gently, depress the locking ramp and remove the lever from the secondary air temperature control door end
16. Rotate the primary air conditioning air temperature control door shaft downward, swing the metal link counterclockwise and remove it from the pin.
17. Remove the 3 heater core cover-to-heater/air conditioning housing assembly screws, the cover and the seal.
18. Press on the heater core tubes and remove the heater core from the heater/air conditioning housing assembly.
    
    
    

    

    Fig. Remove the instrument panel insulator from the instrument panel reinforcement-Taurus and Sable
    
    
    
    

    

    Fig. Manual air conditioning/heater equipped vehicles disconnection points-Taurus and Sable
    
    
    
    

    

    Fig. EATC equipped vehicles disconnection points-Taurus and Sable
    
    
    
    

    

    Fig. On floor shift vehicles, remove the console center finish panel-Taurus and Sable
    
    
    
    

    

    Fig. On floor shift vehicles, remove the finish panel from around the integrated control panel-Taurus and Sable
    
    
    
    

    

    Fig. If equipped with autolamps, detach the light sensor amplifier-Taurus and Sable
    
    
    
    

    

    Fig. Unsnap the upper finish panel from the instrument panel-Taurus and Sable
    
    
    
    

    

    Fig. Remove the instrument panel finish end panel-Taurus and Sable
    
    
    
    

    

    Fig. Detach the electrical connectors-Taurus and Sable
    
    
    
    

    

    Fig. Instrument panel-to-cowl panel mounting-Taurus and Sable
    
    
    
    

    

    Fig. Remove the 4 blend door actuator retaining screws-Taurus and Sable
    
    
    
    

    

    Fig. Secondary air temperature door connections-Taurus and Sable

To install:

1. Install or connect the following:
   
   WARNING

   Do not use excessive force when installing the radio, the retaining clips can become damaged.
   
   
   
   
   Heater core to the heater/air conditioning housing assembly

   Heater core cover, the seal and the 3 heater core cover-to-heater/air conditioning housing assembly screws

   Lever to the secondary air conditioning air temperature control door end

   Spring to the lever, engage the spring to the heater core cover and install the metal cover

   Air conditioning electronic blend door actuator and the 4 actuator-to-heater/air conditioning housing assembly screws

   Heater hoses to the heater core

   Instrument panel with the help of an assistant

   Instrument panel electrical connectors and the parking brake switch

   2 screws at each end of the instrument panel with the help of an assistant

   3 instrument panel-to-upper cowl top panel screws

   Front scuff plates and the door weatherstrip (on both sides of the instrument panel)

   Instrument panel finish end panels (on both sides of the instrument panel)

   Electrical connector to the light sensor amplifier (if equipped with an autolamp)

   Upper finish panel (at the top of the instrument panel)

   Instrument cluster, electrical connectors and the 4 instrument cluster-to-instrument panel screws

   Instrument cluster finish panel and engage the finish panel-to-instrument panel clips

   Instrument panel finish panel and 4 panel screws, located at the right side of the steering column (if equipped with a column shift)

   Console center finish panel and the 6 panel screws (if equipped with a floor shift)

   Electrical connectors and the automatic temperature control sensor hose and elbow, if equipped

   Integrated control panel faceplate
   
   
   
   
   Sensor hose/elbow, the electrical harness connectors and the vacuum hose harness to the evaporator housing (if equipped with an Electronic Automatic Temperature Control (EATC)

   Connect the electrical connectors and the vacuum harness to the evaporator housing and the blower motor (if not equipped with an EATC)

   Instrument panel brace and the 2 Diagnostic Link Connector (DLC) screws

   Courtesy lamp socket and install the 2 instrument panel brace screws

   Console finish panel (if equipped with a floor shift)

   Lower instrument cover to the instrument panel reinforcement (located on the passenger-s side)

   Steering column and torque the 4 steering column-to-instrument panel bracket nuts to 10-13 ft. lbs. (13-17 Nm)

   Interlock cable and actuator (if equipped with a column shift)

   Shifter indicator-to-column adjustment cable screw

   Shift indicator cable to the shifter tube

   Multi-function switch and the screws

   Electrical connectors

   Wiring connector at the bottom of the steering column and install the wiring to the column (if equipped with an overdrive lockout switch on the manual control lever)

   Gearshift lever and the lever pin to the manual control lever

   3 steering column shroud screws and the shrouds

   Ignition switch to the steering column lock cylinder housing

   Lower instrument panel cover and the 2 lower cover-to-instrument panel screws

   Lower steering column shaft bolt and torque it to 17-20 ft. lbs. (22-26 Nm)

   Steering wheel to the steering column

   New steering wheel bolt and torque it to 26-33 ft. lbs. (34-46 Nm)

   SRS module and connect the electrical connector

   SRS module-to-steering wheel bolts and torque the bolts to 89-123 inch lbs. (10-14 Nm)

   SRS bolt covers

   Negative battery cable
2. Fill the cooling system.
3. Operate the engine to normal operating temperatures; then, check the climate control operation and check for leaks.
This will help.Thanks.

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