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Re: my heater works excellent but my air doesnt...
Over time your car has developed refridgerant leak and leaked out all of its fluid. You need to take it to a mechanic and get a "fill and check on a/c system" If it has a leak they can tell you what you need o fix it if not your refridgerant will be fille and your a/c will work.
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Does blower motor work , air blowing out of ducts ?
Temperature blending is varied by the air temperature control door, which regulates the amount of air that flows through and/or around the heater core (18476) , where it is then mixed and distributed.
Movement of the control knob from COOL (Blue) to WARM (Red) causes a corresponding movement on the air temperature control door and determines the temperature that the system will maintain. Temperature Control
The temperature control operates in the following manner:
Temperature control of the heater system is determined by the position of the temperature control knob (between COOL-BLUE and WARM-RED) of the heater control .
This control knob is connected to a potentiometer mounted in the heater control . This potentiometer is electrically connected to the electric blend door actuator that operates the A/C air temperature control door.
code P0133 is : o2 sensor circuit slow response (bank 1 sensor 1) meaning;;;one heater on o2 sensor is not heating fast enough or no heat. look for o2 sensor heater fuse first and connector wiring for rust if ok change o2 sensor
Your first problem is to find out why the intermittent no-power problem. Honestly, that sounds like a loose conmnection somewhere. check all your grounds for clean and tight conditions Also, battery connections and alternator connections. Double check your power distribution center for any loose wires or poor connections. Once you solve that problem, then you can diagnose the other problems with poor idle and temp. gauge.
If it is necessary to remove the heater assembly, the cooling system must be drained before removing the heater core.
When a heater core leaks, a new heater core is installed or the old one repaired. Heater Housing
The heater housing is usually under the dash and must be removed to gain access to the heater core.
Procedures for replacing the heater core vary with the year, make, and model of car. It threfore necessary to consult the manufacturer's repair manuals for the proper procedure for replacement.
The heater housing is disassembled to get to the heater core.
Remove the access panels(s) or the split heater/air conditioning case to gain acess to the heater core.
Remove the heater coolant hoses.
Remove the cable and/or vacuum control lines (if equipped).
Remove the heater core securing brackets and/or clamps.
Lift the core from the case. Do not use force. Take care not to damage the fins of the heater core when removing.
To reinstall the heater core, reverse the removal steps.
When the heater core leaks and must be repaired or replaced, it is a very difficult and time-consuming job primarily because of the core's location deep within the firewall of the car. For this reason always leak test a replacement heater core before installation.
Cable is probably kinked or slipped adjustment. There are 2 cables connected to the knob. One move the blend door in the heater box to make the air flow thru the heater core, and the other cable opens a valve in the heater hose (engine compartment) to let the hot engine water into the heater core. Check both cables for kinks and fix and kinks. It is still doesn't work, first disconnect both cables at the blend door and valve and check the door and the valve for proper operation (can you open and close them by hand?--if not, these must be repaired or replaced), then, if good, adjust the cables according to this procedure from autozone.com:
CONTROL CABLE Adjustment
Under the hood, open the clamp and disconnect the heater control valve cable from the arm.
Under the dash, detach the air mix control cable from the clamp. Pull the cable from the control arm.
Position the temperature control at MAX COOL.
Turn the air mix control arm counterclockwise until it stops.
Attach the air mix control cable to the arm.
Snap the air mix cable hook into the cable clamp.
Under the hood, turn the control valve to the fully closed position.
Install the heater valve cable to the arm.
Gently pull on the cable housing to remove any slack.
Find the upper radiator hose, follow it from the radiator to the motor, the hose is connected to the thermostat housing, there will be 3 or 4 bolts on the housing, once removed the thermostat is underneath.