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.

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

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:
Safety Belt Buckle - Rear Seat
Removal
1. Remove the rear seat cushion.
2. Remove the bolt and the safety belt buckle.
Installation
1. NOTE: LH and RH rear seat safety belt buckles have different anchor
plates. Make sure correct
part is used when installing buckle and anchor plate in th ...
Electronic Engine Controls - Cobra
Most of the Cobra engine electronic controls are similar to that of
the non-supercharged 4.6L (2V)
engine. These components are as follows:
Crankshaft position (CKP) sensor
Throttle position (TP) sensor
Idle air control (IAC) valve
Mass air ...
Throttle Position (TP) Sensor
Removal
NOTE: The 3.8L engine is shown; the 4.6L (2V) is similar.
1. Disconnect the battery ground cable. For additional information,
refer to Section.
2. Remove the throttle position (TP) sensor.
Disconnect the connector.
Remove the screws, ...
