Ford Mustang (1999-2004) Service Manual: Heater Core

Removal

NOTE: If a heater core leak is suspected, the heater core must be pressure leak tested before it is removed from the vehicle. For additional information, refer to Section.

1. Remove the evaporator core housing. For additional information, refer to Evaporator Core Housing in this section.

2. Remove the foam weather seal.

Heater Core

3. Remove the screws and remove the heater core cover.

Heater Core

4. Remove the heater core.

Installation

1. NOTE: Be sure to install a new oval foam weather seal around the heater core inlet and outlet tubes.

To install, reverse the removal procedure.

    Evaporator Core Housing
    Material Item Specification PAG Compressor Oil (R-134a Systems) F7AZ-19589-DA (Motorcraft YN-12-C) WSH-M1C231- B MERPOL NA ESE-M99B144- B Removal NOTE: The evapor ...

    Evaporator Core Housing
    Disassembly 1. Remove the evaporator core housing. For additional information, refer to Evaporator Core Housing in this section. 2. Remove the foam weather seal. 3. Remove the screws and remove th ...

    Other materials:

    Torque Converter End Play Check
    Special Tool(s) Dial Indicator Gauge with Holding Fixture 100-002 (TOOL-4201-C) or equivalent End Play Gauge, Torque Converter 307-071 (T80L-7902-A) or equivalent 1. Install the special tool into the torque converter pump ...

    Removal
    1. Disconnect the battery ground cable. 2. Remove the air cleaner outlet tube. For additional information, refer to Section. 3. Remove the radiator sight shield. 4. Install the special tool. 5. Using the special tools, support the engine. 6. Raise and sup ...

    Transmission (Disassembly)
    Special Tool(s) Holding Fixture, Transmission 307-003 (T57L-500-B) Puller, Bearing 205-D064 (D84L-1123-A) 2 or 3 Jaw Puller 205-D027 (D80L-1013-A) Remover, Mainshaft Bearing 308-058 (T77J-7025-H) ...