Nice double post.
over heats and no heat
id bet dollars to donuts, you never purged all air out of the system.
SOURCE: Temp Gauge Reads Hot all the time and no heat
air sometimes gets trapped in the heater hoses or heatercore itself pull the upper heater hose off the block,hold it in the air and try to fill it,that should push the air out of the line
SOURCE: Fan motor for the heat and air only works on high
Your blower motor resistor block is bad . When the resistor goes bad you will only have high speed and it's common with this design
SOURCE: Temp Gauge Reads Hot all the time and i have heat
as soon as you turn it on after it has been shut off for how long? you could have a bad sensor. if you have a sohc (single overhead cam) engine you have a coolant temp sensor. if you have a dohc (double overhead cam) engine you have a cylinder head temp sensor. either way you will need to start with everything cooled off, drain the coolant, remove and replace the sensor. for the sohc engine you have to remove the ignition coil to get to the sensor, for the dohc you have to remove the alternator. in both engines you are supposed to torque the bolts that hold the sensor in place to 89 in-lbs, tight enough to not have a coolant leak at that point, and not so tight that you stretch the bolts or break them off in the block. if you still have a problem after you replace the sensor then you probably have a bad water pump. hope that helps.
SOURCE: 2002 chrysler 3.5 overheating - new rad, water
It can a the first stage of blowing head gasket.
Fill your coolant tank to the full mark when it's COLD.
Start the car, and pay close attention to the tail pipe for a small puff of white smoke.
After 15 minutes,If you do see any vapor then take the car for a 8 minutes drive.
Park the car and listen for bubbling sound from the coolant tank,
If you see bubbles coming up then you will need a head gasket change real soon.
SOURCE: My 2005 Jeep Liberty will not blow heat through
heater valve if you have 1 ,or temp control actuator which is under the dash and takes hours to replace!
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