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 Belts
PRINCIPLES OF OPERATION
WARNING: Always drive and ride with your seat back upright
and the lap belt snug and low across the hips
WARNING: To reduce the risk of injury, make sure children sit
where they can be properly restrained.
WARNING: Never let a passenger ...
Tracing Powder
Tracing powder is used to check both the uniformity of contact and the
tension of a seal against its
sealing surface. These tests are usually done when a suspected air leak/noise
appears to originate
from the seal area or during the alignment and adjustment ...
Handles, Locks, Latches and Mechanisms
General Specifications
Torque Specifications
LOCK REPAIR/REPLACEMENT SPECIFICATIONS
...
