Friday, February 10, 2012

How to replace heater core on Mitsubishi eclipse?

The procedure to perform this task is as follows :----

Removal & Installation
Mitsubishi Car 1999-05
2000–03 Models

CAUTION
If equipped with an air bag, wait for 1 minute after disconnecting the negative battery cable before working inside the vehicle. The air bag system is set to deploy for a short period of time after the battery is disconnected.

Disconnect the negative battery cable.
Drain the cooling system into a clean container for reuse.
Disconnect the heater hoses from the heater core tubes at the firewall. Do not allow the coolant to damage the vehicle speed sensor located below the heater hoses on the non-turbo manual transmission vehicles.

WARNING :-- To prevent damage to the air bag control unit during removal or installation of the floor console, avoid shocks or impact. Do not drop. 

Remove the floor console by removing or disconnecting the following:
Center console trim panel
Ashtray and cup holder assembly
Shift lever knob on manual transmission
Retaining screws
Floor console assembly
Locate the rectangular plugs in the knee protector on either side of the steering column. Pry these plugs out and remove the screws. 

Remove or disconnect the following:
Driver’s side air bag assembly, the steering wheel and the passenger’s side air bag assembly
Lap cooler duct and steering column covers
Instrument cluster bezel and then the instrument cluster
Radio
Glove box
Center air outlet assembly
Hood release handle and the lower cover
Heater control assembly
Front speakers and the instrument panel switch
Steering shaft support bolts and lower the steering column
Instrument panel mounting hardware and remove the instrument panel from the vehicle
Stamped steel center reinforcement
Lower ductwork from the heater box
Evaporator case mounting bolt and nut to allow clearance for the heater unit removal
Heater unit
Heater core from the heater unit


To install:
Install or connect the following:
Heater core to the heater unit
Heater unit
Evaporator case mounting bolt and nut
Lower ductwork to the heater box
Stamped steel center reinforcement
Instrument panel and the instrument panel mounting hardware
Steering column and the steering shaft support bolts
Front speakers and the instrument panel switch
Heater control assembly
Hood release handle and the lower cover
Center air outlet assembly
Glove box
Radio
Instrument cluster and the instrument cluster bezel
Steering column covers and the lap cooler duct
Steering wheel, the driver’s side air bag assembly and the passenger’s side air bag assembly
Screws and the rectangular plugs in the knee protector on either side of the steering column
Install the floor console by installing or connecting the following:
Floor console assembly
Retaining screws
Shift lever knob on manual transmission
Ashtray and cup holder assembly
Center console trim panel
Center console trim panel
Connect the heater hoses to the heater core tubes at the firewall.
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.

Its recommended to check this help link shown below for more details on replacing heater core with proper diagram :-----


This will help.
Thanks.
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