2003 Ford Escort heater core removal/installation

Tiny
ERJOE2004
  • MEMBER
  • 2003 FORD ESCORT
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 135,000 MILES
Hello, my sister in law is in need of dire help. She told us that she has no heat from the heater and had a smell. I tested it, yep no heat, but no smell after a 20 min idle. So. Her husband already bought the core replacement but didn't know where to start ha! Can someone help with a link that shows the proceedures something with a lot of pictures! Ha!
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Sunday, February 8th, 2009 AT 10:06 PM

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Tiny
BLUELIGHTNIN6
  • EXPERT
Hello
Thanks for the donation.

Below are the replacement procedures (with pics ;) ) for your vehicle's heater core..

REMOVAL:
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.

Drain the cooling system into a clean container for reuse.
On the Coupe, remove the air cleaner outlet tube.
Disconnect the heater hoses from the heater core.
Place the front wheels in the straight-ahead position. Lock the steering column.
Remove the steering wheel by removing or disconnecting the following:

CAUTION
Place the SRS module in a safe place with the front facing upward

SRS module-to-steering wheel bolts
SRS module (carefully), and disconnect the horn switch and the SRS electrical connectors
Steering wheel bolt and discard it
Press the steering wheel from the steering column

(((Removing the screw from the center instrument panel finish panel)))


http://www.2carpros.com/forum/automotive_pictures/261618_NoName_1.jpg



(((Unfastening the pushpins, then removing the left-hand and right-hand control box covers)))


http://www.2carpros.com/forum/automotive_pictures/261618_NoName_2.jpg



(((Unfasten the retaining screws and position the transaxle control selector dial bezel sideways)))


http://www.2carpros.com/forum/automotive_pictures/261618_NoName_3.jpg



(((Unfasten the PCM electrical connector bolt, unplug the connector and move it aside)))


http://www.2carpros.com/forum/automotive_pictures/261618_NoName_4.jpg



(((Unfasten the screw and remove the instrument panel steering column cover)))


http://www.2carpros.com/forum/automotive_pictures/261618_NoName_5.jpg



(((Exploded view of the heater core, heater housing and related components)))


http://www.2carpros.com/forum/automotive_pictures/261618_NoName_6.jpg



Remove the passenger's side SRS module by removing or disconnecting the following:CAUTION
Place the SRS module in a safe place with the front facing upward.
Push inward on the 2 glove box door tabs and lower it
SRS module's electrical connector
SRS module-to-instrument panel bolts and the module
Remove the instrument panel by removing or disconnecting the following:
Floor console
Screw located at the center instrument panel finish panel
Pull the center instrument panel finish panel straight out from the instrument panel reinforcement (Coupe models only)
Power point socket electrical connectors and remove the center instrument panel finish panel, if equipped
Control box side cover pushpins and the covers located on both sides
Radio antenna lead-in cable, located at the instrument panel reinforcement
Radio antenna lead-in cable
Transmission control selector dial bezel screws; then, place the transmission control selector dial bezel sideways
PCM electrical connector bolt and move the PCM aside
2 rear side PCM bracket nuts, the 2 bolts; then, the PCM and bracket as an assembly
Rotate the temperature control switch to the COOL position and disconnect the heater control cable
Hood latch control handle nut; then, position the hood latch control handle and cable aside
Instrument panel steering column cover screw and release the cover
Light switch rheostat resistor electrical connector and remove the instrument panel steering column cover (Coupe models only)
Steering column shroud screws and remove the shrouds
Steering column bracket bolts and lower the steering column
Pull upward on the front door scuff plates
Cowl side trim panel pushpins and the panels, located on both sides
Interior fuse junction panel electrical connector
Lower instrument panel reinforcement in-line electrical connector, located on the left side
Vacuum line harness connector
Lower instrument panel reinforcement in-line electrical connector, located on the right side
Blower motor resistor electrical connector
Instrument panels end panels, located on both sides
Upper and lower instrument panel-to-chassis bolts, located on both sides
Upper and lower instrument panel reinforcement-to-chassis bolts, located on both sides
Cover and the upper instrument panel reinforcement bolt
Slightly, pull the instrument panel rearward and disconnect the main electrical wiring connectors, located on the left side
Instrument panel
Remove or disconnect the following:
Antenna lead from the heater core housing
Vacuum control motor vacuum connector
Vacuum lines from the retainer at the evaporator housing
Pushpins, the windshield defroster nozzle connector's screws and the connectors
Air conditioning evaporator outlet duct clamp screw
Lower heater core housing-to-chassis nut, the upper heater core housing-to-chassis nuts and the heater core housing
Heater dash panel seal
Heater core cover-to-housing screws and the cover
Heater core from the housing

INSTALLATION:
Install or connect the following:
Heater core to the housing
Heater core cover and the cover-to-housing screws
Heater dash panel seal
Lower heater core housing, the upper heater core housing-to-chassis nuts and the heater core housing-to-chassis nut
Air conditioning evaporator outlet duct clamp screw
Windshield defroster nozzle connector's screws, the connectors and the pushpins
Vacuum lines to the retainer at the evaporator housing
Vacuum control motor vacuum connector
Antenna lead to the heater core housing
Install the instrument panel by installing or connecting the following:
Instrument panel
Main electrical wiring connectors (located on the left side), and install the instrument panel
Upper instrument panel reinforcement bolt and the cover
Upper and lower instrument panel reinforcement-to-chassis bolts (both sides)
Upper and lower instrument panel-to-chassis bolts (both sides)
Instrument panels end panels (both sides)
Blower motor resistor electrical connector
Lower instrument panel reinforcement in-line electrical connector, located on the right side
Vacuum line harness connector.
Lower instrument panel reinforcement in-line electrical connector, located on the left side
Interior fuse junction panel electrical connector
Cowl side trim panels and secure the panels with the pushpins, located on both sides
Front door scuff plates, located on both sides
Steering column and the steering column bracket bolts
Steering column shrouds and the shroud screws
Light switch rheostat resistor electrical connector and install the instrument panel steering column cover (coupe models only)
Instrument panel steering column cover and the cover screw
Hood latch control handle and cable and tighten the hood latch control handle nut
Heater control cable
PCM/bracket, the 2 PCM/bracket nuts and the 2 bolts
PCM electrical connector and the bolt
Transmission control selector dial bezel screws
Radio antenna lead-in cable
Radio antenna lead-in cable
Control box side covers and secure with the pushpins, located at both sides
Power point socket electrical connectors and install the center instrument panel finish panel, if equipped
Center instrument panel finish panel screw
Floor console
Install the passenger's side SRS module by installing or connecting the following:
SRS module and torque the module-to-instrument panel bolts to 62-97 inch lbs. (7-11 Nm)
SRS module's electrical connector
Glove box door
Install the steering wheel by installing or connecting the following:
Steering wheel to the steering column
New steering wheel bolt and torque it to 26-33 ft. lbs. (34-46 Nm)
SRS module-to-steering wheel bolts and torque the bolts to 89-123 inch lbs. (10-14 Nm)
SRS module and connect the electrical connector
Connect the heater hoses to the heater core.
On the Coupe, install the air cleaner outlet tube.
Refill the cooling system.
Connect the negative battery cable.
Operate the engine to normal operating temperatures; then, check the climate control operation and check for leaks.

If you need more pics and more assistance just let me know..

Thanks for using 2CarPros.com!
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Monday, February 9th, 2009 AT 2:19 AM

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