NOTE: If a heater core leak is suspected, the heater core must be leak tested before it is removed from the vehicle.
Disconnect the battery ground cable.
Drain the radiator. Refer to: "Engine, Cooling and Exhaust : Cooling System : Service and Repair" See: Service and Repair
Remove the instrument panel. Refer to: "Body and Frame : Interior Trim : Dash Board : Service and Repair" See: Body and Frame Interior Moulding / Trim Dashboard / Instrument Panel Service and Repair
Remove the junction block splash shield.
Remove the bolts and disconnect the cable ends from the starter relay.
Remove the junction block bracket.
1 Disengage the wire harness connector.
2 Remove the bolts.
3 Remove the junction block bracket.
Disconnect the heater core hose couplings.
Remove the A/C plenum demister adapter.
1 Remove the screw.
2 Remove the A/C plenum demister adapter
Disconnect the vacuum line.
Remove the heater core bracket.
1 Remove the two screws.
2 Remove the bracket.
Remove the plenum chamber top.
1 Remove the 13 screws.
2 Remove the plenum chamber top.
Remove the blend door assembly from the case.
Remove the heater core.
To install, reverse the removal procedure.
This off alldata. Not a job for home, at least thats what I think. I would shop around for a better price as the dealer is extremely high.
CJ will have info as well. If you do it yourself, it will take about 12-16 hours. Even though the part is 40, the labor is intensive.
Friday, October 12th, 2012 AT 2:43 AM