Tech / General EngineWhy is my car making that sound? My car won't start! Combination questions? Don't see a board for your problem or have other technical or engine specific questions? Post them here!
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i know this may sound stupid but i have no heat air blows out but its cold i havent had time to look at the heater or anything ive been workin on getting it running good so if any of you guys out there could give me any sugestions or a place to start that would be much appreciated
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If you aren't getting heat then either the swing door isn't working properly or your heater core is clogged up. Either one will require you to tear apart the dash to check the heater core area. I suppose to can feel both hoses of the heater core in the engine compartment when the car is at operating temperature. If one is hot and one is cold, then your heater core is clogged and needs to be replaced.
If you aren't getting heat then either the swing door isn't working properly or your heater core is clogged up. Either one will require you to tear apart the dash to check the heater core area. I suppose to can feel both hoses of the heater core in the engine compartment when the car is at operating temperature. If one is hot and one is cold, then your heater core is clogged and needs to be replaced.
redta is right, place your hand over the coolant line hose going to the heater core from the diverter valve. If the hose going into the heater core is cold to the touch, then your diverter valve is not functioning properly. If the hose going into the core is hot but the exit hose is cold, there is a blockage and you will have to replace the heater core.
they both seem hot to me but do you think the PO could of just put a hose on it inside the heater box and also my temp gauge goes from 100 to 220 to 260 and the temp gauge never gets to the fifth line and if i switch it to defrost i dont feel anything coming from the defrost areabut i can feel cold air comin from the vents. i started to tear it apart today but ran out of time and had to put it back together so i could get to college but ran short of being able to get to the heater box but i did take the blower moter out and its pretty dirty looks like its still the orig
I went rounds with the one in my wagon over a few years.
Could blow through it fine, a garden hose flowed through it fine but nothing but a new one got me good good heat.
__________________ 86 Pontiac Firebird
[68 Firebird hoodscoops, custom notchback,
custom rear mounted tach, inverted wing.] http://www.thirdgen.org/techboard/v6...-all-over.html
I love my new notch-back. See link for newer pics and above mods.
Dude, check your thermostat! Your thermostat may be sticking. The next time your temp looks like its hitting somewhere around 240-260 degrees then pop your hood and check to see if the fan on the passenger side of the radiator is working. This will verify if your car is truly overheating, as this fan only comes on when your car hits 240 degrees. I am assuming that you own a TPI car , right?
Check the vacuum line for your hvac. It looks like a hard plastic tube coming from the firewall (passenger side) and connects to the rear of the tpi manifold. That vacuum line controls your vents ect...
check coolant level, if your gauge is bouncing around like that, you may have a leak and the gauge only reads when it feels coolant and when coolant doesn't touch the sensor, it'll read 260 instantly.
