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:
Removal
Both mounts
1. Disconnect the battery ground cable. For additional information, refer to
Section.
2. Remove the coolant bypass tube. For additional information, refer to Section.
3. Rotate the drive belt tensioner clockwise and detach the drive belt from th ...
Rear View Mirrors
Torque Specifications
Rear View Mirrors
The rear view mirror system consists of the following components:
exterior rear view mirror
exterior rear view mirror control
exterior rear view mirror glass
exterior rear view mirror motor
interior ...
Engine block heater
WARNING: Failure to follow engine block heater instructions
could result in property damage or physical injury.
WARNING: Do not use your heater with ungrounded electrical
systems or two-pronged (cheater) adapters. There is a risk of
electrical shock.
Note: The ...
