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Remove the radio/heater control module. Disconnect the temperature control cable at the base of the control assembly . It is on the center mound just to the right of the gas pedal. Take the heater control cable off of the back of the heater control module. Pull the temperature control cable off.
Detach the negative battery cable. Remove the bezel to get access to the control head and remove its screws. Remove the control panel. Pry the clips free. Disconnect cables from the heater. Install the new control panel.
cable
Low coolant? Thermostat not opening? Control cable not working? Plugged heater core? Heater core "airbound"? Low coolant? Thermostat not opening? Control cable not working? Plugged heater core? Heater core "airbound"?
To replace the heater blower cable on a 1988 Ford F-150, first remove the driver's seat. Then, remove console side panels, glove box, and radio. Pull of AC control knob and detach console from the?æfront frame at its corners. Next, remove console side braces, right vent distribution, steering column cover and left vent distribution. Finally, remove the 10 clips holding the heater blower cable and replace.?æ?æ?æ
The heater control valve is used to shut off hot coolant from entering the core when the heater is in the off position. A heater control valve can be actuated by either a vacuum line or a cable from the vacuum heater control valve to the heater core. This hose should be warm; if not the heater control valve is stuck and needs to be replaced
No cable, all controls are done with electric motors.
# Disconnect the negative battery cable. # Drain the engine coolant. # Remove the instrument panel/dash assembly from the vehicle. # Remove the heater hose(s) and cap the hose(s). # Remove the attaching nuts and remove the heater unit assembly. # Remove the heater core attaching screw and remove the heater core..............
Heater Airbound? Heater control cable not working? Heater core plugged?
It's basically behind the radio inside the cab. This is what you do: 1 Drain the coolant. 2 Disconnect the negative battery cable. 3 Disconnect the heater hoses at the fire- wall 4 Working in the interior, remove the radio, if equipped 5 Disconnect the control cables from the heater unit assembly. 6 Remove the air flow ducts from the sides of the heater unit assembly. 7 Remove any electrical connectors and vacuum lines. 8 Remove the four heater unit assembly mounting screws and pull the unit out 9 Once removed, the heater core can be detached from the heater unit assembly 10 If the heater unit assembly must be dis- assembled in order to reach the heater core, disconnect the rod from the swivel joint and the cold position lever control. Remove the screws that retain the heater core cover and remove the heater core. Note: During reassembly, the control rods must be adjusted.
Remove the water supply hoses from your heater core. Remove the heater core retaining bolts. Reverse the process to install your new heater core.
Not an easy job The whole heater box has to come out and be disassembled Is a six hour job at the dealer What's wrong with it? 1.Disconnect the negative cable from the battery. 2.Drain the cooling system. 3.On MPFI models remove the air cleaner housing cover and the air induction hose at the intake manifold. On TBI models remove the air cleaner housing. 4.Raise the vehicle and support it properly on jack stands. You can get at hose clamps from top but it is very difficult. 5.Loosen and move the heater hose clamps up the hose enough so the hoses can be removed from the heater core inlet and outlet tubes. 6.Lower the vehicle. 7.Working in the engine compartment, disconnect the heater hoses where they connect with the heater core at the firewall. 8.Remove the left and right lower trim panel extensions from the console by disconnecting the lower velcro fasteners and pulling out at the upper clip locations. 9.Remove the screws on the lower heater duct and slide the duct out the drivers side. 10.Disconnect the temperature control cable and the mode control cable at the heater case. 11.Disconnect the electrical connector on the drivers side mounted near the temperature control cable. 12.Remove the screws and remove the lower heater core cover. 13.Remove the screws and take off the heater core side cover. 14.Remove the screw and heater core pipe clamp. 15.Remove the screw and the lower heater core retainer from under the heater core. 16.Remove the heater core, being careful not to spill any coolant. 17.Reassemble the heater unit and check the operation of the control flaps. If any parts bind, correct the problem before installation. 18.Reinstall the remaining parts in reverse order. 19.Refill cooling system.