02 ltz Trailblazer and the Heating and AC fan will not work What is the problem and is it easy to fix for a novice?
Check for a blown fuse first. If the fuse is OK, then the blower motor resistor pack or the blower motor itself may be bad.
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Is it a sensor problem if a 1997 Nissan Sentra GXE ac does not blow cold air after recharging and the fan in front of car does not work when ac is on?
Hey Alicia==There are several things wrong that have to be checked out to determine the problem. No sensors probably are bad just relays and switches, Good luckJoe
Resistors control the speed of the AC/Heater fan. These resistors are switched on and off in various combinations to create the different fan speeds. When the resistors burn out your fan will only work on the "HI" setting. The "HI" setting doesn't use any of the resistors and that's why it works. Th…ese resistors are near the blower and the blower is beneath the dashboard on the pasenger side. Just have to located resistors now. (MORE)
Answer . \nThe heater resistor pack is bad. Replace it.. Answer . \nA Blower Motor Resistor burned down and needs to be replaced. It costs about $37 from the dealer and is located on the passenger side underneath the dashboard. It is held there by 2 screws and very easy to change. Common p…roblem with Nissan cars. (MORE)
On a 1991 GMC Jimmy the ac heater and vents are not working not blowing air is this the blower if so how much does that run and how easy to fix?
Answer . \nMost likely your problem is just the switch itself that controls the speed of the fan or a fuse. These are the easiest and cheapest things to check first. You can get the swithc at a local parts store or from a GM dealer. If that doesn't work check for loose of broken wires. It all …that fails replace the blower motor.. Answer . \nCheck the fuse first. (MORE)
The blower fans on these cars run very quietly on all but the maximum setting- ensure that the fan is really not working first by holding your hand in front of the vent with the fan on low and checking that is it not moving any air.\n Answer \n. \n. \nReplace the resistor pack.
No ac signal-code 51 on a toyo celica gt 88 3SFE-How can you find the problem and fix it-AC itself works great?
Code 51 also refers to the throttle position sensor. You need to test the sensor - a factory repair manual will give the procedure and specs for testing.
What could be wrong if you had the blender door on a Ford Expedition replaced and that fixed an AC problem but now there is no heat?
On my Son's 98 expedition we found that the A/C was staying engaged all the time. we disengaged the A/C clutch and now we have plenty of heat.
How do you fix the front AC fan in a ford explorer 97 EB it stopped working all of sudden but the one in the rear still working?
Answer . \nTry checking the blower motor fuse, it may be blown. Also, check the wiring harness for good contact to motor connection.Last, replace the blower motor , ~$30 and 20 minutes to replace it, watch for AC lines when working near them. Good luck!!
On your '98 VW Passat everything on the radio heat AC panel is lit except the temp fan speed and location dials; how do you fix this?
There is a bulb behind the fan speed knob. You can access it by pulling iff the knob.
Is your motor bad or a relay if the fan works on 'ON' but not on 'AUTO' on a rooftop central heating AC?
Answer . The motor is probably ok but you probably have a problem with something in the controls. Is it failing to turn on with heat or cool? If it's failing to come on when heating it could just be the temperature sensor that detects heat exchanger temperature. It's a small device with a couple …wires connected to it. There are two such temperature sensors, one for operating temp, the other is for over-temp. (MORE)
\n. \n Fan resistor replacement \n. \n. \nCheck out the following website with pics and instructions.\n. \nhttp://www.oqcgp.com/forum/kb.php?mode=article&k=70\n. \nHope this helps.\n. \n"G"
is compressor trying? . \ncheck all A/C electrical connections, like the connector at the compressor.. make sure the compressor is trying to engage, should be an audible click when switched on, check fuses, also check pressure switch on coolant line.. it has a electrical connector on it also, and… if coolant is low it will not let the compressor engage. (MORE)
02 trailblazer ltz service engine reduced power light comes on --replaced fan clutch water pump help?
Answer . Use an OBD2 code scanner to find out what's wrong with your vehicle. It will tell you what's wrong and let you clear the code when you're done. If the problem hasn't been taken care of, the computer will set the code again.\n. \nBTW, why would you replace parts that weren't causing a p…roblem? (MORE)
Just replaced the battery in 2003 Trailblazer now the AC Dash vents do not work Everything else works fine Any suggestions Has anyone else had this problem?
Same Troubles I have an 04 Trailblazer and just had my battery replaced as well and a 125 amp fuse. The mechanic at the dealership told me we blew the fuse because when we jump started the suv, we crossed polarity. I told him we didn't but he wouldn't check the dash vent fuses without another labo…r charge so i am stuck with frozen feet and frosted windows for a few weeks! I was hoping to find an answer! The same problem happened to me when I replaced the battery. I too have an 03 Trailblazer. The AC works great through the defrost and the floor, but no vent! I'll keep looking for the answer. I hope someone posts the solution fast. It gets hot in Texas. Same here...'03 therr are two answeres to this problem posted on this site my best solution is to pay a dealer. You need to replace the HVAC mode actuator. This is found under the dash. Trailvoy.com has additional details on how to replace this. Do a search in their forums. They have answers to almost anything dealing with Trailblazers and Envoys. (MORE)
How do you fix a AC and heater fan speed control knob on a 2002 Monte Carlo that has stopped working on speed 1?
Answer . Normally this is one of 2 things. Either the speed control switch is bad or the Blower Motor Resistor Pack is bad. My opinion would be the latter.. Additional Answer: . Same Issue: However, Speed 1 & 2 are not working on mine. Replace the entire A/C dashboard Controler.. Heat & Air C…onditioning: Heater & AC Controls :: ACDELCO Part# 1472736 (Control,HTR & A/C 2 Doors; w/A/C FRT MAN/AUX Control) (MORE)
AC just quit Fan has stopped as well Are they tied to one another fan will not work if AC is not working How can you fix this?
Answer . \nYes, they are tied into one another. You might check the fuse, and then make sure the slider is set to heat, defrost,bi-level, etc.
2003 Trailblazer how do you replace the heating ac control switch replaced blower module and fan still doesn't work HELP?
\n. \n Answer \n. \n. \nhave you checked fuses and relays?\n. \n. \nYes, I actually replaced the blower motor module & that didn't work. The Blower Motor itself spins freely & there doesn't seem to be any electrical issues. \n. \nCould it be the Blower Motor speed switch??? If so, is that… hard to access? (MORE)
How do you fix heating problem in 1992 Toyota Previa on heating mode fan blow only cold air.Any suggestion to fix it yourself?
Sounds like "heater core" is shot-any coolant leaks inside the car coming from under the dash?, Have check, replaced. Or could just be an air lock in coolant system, which is better easy fix.
Cooling fan does not come on until after the car is off on 1993 Honda accord If the ac is on both fans work What could be the problem?
Answer . I don't think you have a problem unless your temp gauge or light is coming on. The reason your fan comes on after you shut the car off is........ as you are driving and the car is running at operating temp, the air is flowing across the radiator cooling the coolant that circulates throu…gh the engine and radiator.. When you stop, the water pump no longer circulates the coolant and you no longer have air flowing across the radiator fins cooling the coolant either. The electric fans are set to run off a relay, and when you stop, the fans come on to cool the coolant down until it cools to where the relay kicks off and the fans stop.. However, the cooling fan should not come on each time you shut the vehicle off or if you're idling like mine did. If it does, you may need to replace your thermostat or you may have air in your system. Replacement of the thermostat is simple but be sure to buy the OEM from the dealership. My experience has been and the dealership has confirmed, that the aftermarket thermostats do not work well in these vehicles. My local dealership also advised that once the work on the cooling system is complete, they run the vehicle for no less than 1/2 hour with the radiator cap off. This allows air to escape the system. Since I have replaced the thermostat and "bled" the cooling system, my cooling fan only comes on during the hottest of weather. (MORE)
Where are the good wrenches now. Do yourself a favor and buy a Honda or Toyota. Peace
1993 mercury sable radiator cooling fan will not kick on when car heats up only when AC is turned on high what is the problem?
Answer . Could be a bad temperature sensor Usually located at the rear of the radiator about 1/3 down from the top
Answer . First off, check the bulbs. It's not at all unusual for both bulbs to be NG. Failing that, look for a previous (yuppie spawn) owner to have disabled the DRLs after installing illegal blinding headlamp bulbs. Next, if available, get BCM codes and data and refer to the wiring diagrams, el…setherwise, get a mechanic. (MORE)
Answer . i'm not real familiar with Vw vehicles but a great starting point would be checking in the owners manual or on a wiring diagram for something that the 2 problems would have in common. Its most likely gonna be fuse or a relay. I doubt it, but it may also be a common grounding point for… the two electrical circuits that has a fault connection. (MORE)
The blower motor resistor has failed on that circut. It control all speeds except 5. It is a matter of time before more fail. It is a simple replacement. It is located up under the dash (under that removable panel on the passenger side) If you drop the glove box down you can see the blower motor and… then follow the wires to it. It is held in with two theaded nuts (8 mm maybe) and then the electrical clip to the blower. Simple fix and about a 35-40 dollar part from www.parts4chevys.com (MORE)
I have the same vehicle...if they stopped working it could be the seat module. What I did was disconnect the battery cables for about a 1/2 hour then reconnected. It worked. The battery had drained a month earlier and seats didn't work after. So I just tried this and it worked (probably had to be re…set). Good luck. (MORE)
The fan on 2002 trailblazer don't work on the first three settings but four and five work how do you fix this and where is it located at?
This is the blower motor resistor failure that causes this problem. If you drop your glove box you will see the blower motor. Follow the wires that lead to a spot behind the blower and into the ducting. Two screw bolts are seen holding the resistor module in place. It is sometimes easier to remove t…he lower dash panel to get to the resitor module.. Simply remove them and disconnect the wires at the motor and replace with the updated part.. www.trailvoy.com (MORE)
From your description it sounds as if the cooling system thermostat needs to be replaced. Sounds like it may be stuck in the open position which doesn't allow the coolant to warm up sufficiently to supply heat to the radiator.
The fuses near the drivers feet possibly blown will cause that. They are labled so its pretty easy to identify what is wat. Pull it and see if the bridge on the fuse is fryed.
if all speeds do not work id say is a fuse, but if you just dropped one or two speeds. replace the blower motor resister. sells for $60.00 at the dealer.
Your AC fan is not working on the maximum setting because you have a bad blower motor resistor. This is located under the dash or next to the blower motor.
The 2004 Chevrolet trailblazer air conditioning fan switch hasthree settings. The switch can malfunction, and only work in thehigh setting.
You did not mention the kind of car. Check the fuses and relay to be sure you have power. Also you have a blower motor resistor and the fan motor. Grounds are just as important as the power source.
I would start by checking the fuse, the relay, and the connector on the blower itself.
When you turn on the car the headlight rear defrost and fan for the ac and defrost doesn't work How do you fix this?
If you can make the fan run by turning the speed switch to position 5 (hi speed) and make the headlights work by switching them on manually, replace the ignition switch in the steering column to cure this problem. It sounds odd, but that's the fix. Own one, been there, fixed that.
Why does my 2003 mini cooper the heater core not heat up the AC works and the fan works but no heat or defrost?
If the thermostat is stuck wide open (and thus needing replacement) the engine will never achieve proper operating temperature and thus will not heat the interior of the car much.
It is not difficult to get started. Excel is a very powerful application, with a large range of capabilities. However, it can be used for very basic things, like simple mathematics. You don't necessarily need to be good at mathematics to use Excel, as it will do the calculations for you. You just ne…ed to know what it is what you want to do. So you can start off doing very simple things with Excel. There are plenty of online resources, books, CDs and other things you can use to start learning it. There are lots of introductory courses for people wanting to learn Excel. Check in your area. Having someone who knows how to use Excel show you how to do so is the best, whether that is a tutor on a course or just a friend or family member. (MORE)
In most cases the blower motor resistor is the solution. But you need to have a repair shop check it out before you buy something that you may not need.
Why will only the high fan work on a 2005 Chevy trailblazer AC Why does only the highest setting on my ac fan on the 2005 Chevy trailblazer?
There is a fan motor resistor board located under the dash on top of the plastic duct housing on the passenger side of the vehicle. It is behind the glove box. Removing the glove box will help you to get to the resistor. The power to the fan motor uses various resistances on that board to get your l…ower fan speeds, but on the highest setting it bypasses the resistors since they are not needed. You always will get your blower motor to work but only on high only when the resistor board is bad. (MORE)
So little information to work with... . Not blowing air?? . Temperature cannot be adjusted or always lukewarm? See "Related Questions" below for more
I have a 1990 GTA trans am and both of my electric fans have stopped working making the car over heat. Any info on how to fix this problem?
try to ground them to the frame, they will run when the key is on, but i have been doing that for 4 years on mine
The AC runs to remove moisture from the air inside your vehicle. Moisture causes the fog inside of your windows. The ac runs to remove the moisture and the heater runs to heat the air.
P0300 Diagnostic Code - Random Misfire Symptoms. Engine may stumble or miss Engine may be hard to start you may notice no issues Cause Failing spark plugs or spark plug wires Bad coil or coil pack Failing oxygen sensor(s) Bad fuel injector or more than one Stuck exhaust valve Bad catalytic conve…rter EGR valve or valve passage clogging Bad camshaft position sensor Bad PCM or ECM The Fix Best first action is a tune up, newplugs, wires, inspect all hoses and wire connections then reset thecode. If it returns you will need to narrow it down to a system, coilsand coil packs should be tested, catalytic converters for function ( doyou smell rotten eggs?). A misfire that jumps cylinders could indicate alean condition, do you have any other codes along with the 300? thiswill help clue you in to the source, check valve function to make surethey are opening and closing fully. This is probably pone of the mostdifficult codes to troubleshoot, so start with the basics and work yourway into the more expensive options, in many cases a good old tune upsolves the problem, back it up with a fuel system cleaning and see whereyou stand. (MORE)
Why does your fan not work until you start driving the car no heat or ac but when start driving both work?
It sounds like either a loose ground or power supply, start by checking the connections at the blower motor............
there are a number of things that could be causing a no heat problem, theses are some things for you to check out. 1) check to make sure that the controls are working the vaccum part under the dash ( just move the switch from hot to cold) 2) a thermostat 3) radiator not flowing 4) heater control vav…le 5) heater core stopped up 6) water pump (MORE)
The heat in my 96 Dodge Intrepid is not working but the fan does blow into the car it just won't heat up and the AC belt is not on it could that be interfering with my heat?
The thermostat may be stuck open, replace it. No ac belt won't effect the heater.
It depends on the motor. The fan is driven by an electric motor,and it can use a dc motor (as in a car) or an ac motor (as in ahouse). They are not interchangeable.
Hi, I have a honda civic 1991 ex, the blower motor no work 1 and 2 speed
When you start the ac in your ford escort lx 1995 the fan is not working What could be the problem and how can you fix this?
You need a new fan relay. It is on the passenger side of the firewall at the top.
" Camshaft Position - Timing Over-Advanced or System Performance (Bank 1) symptoms Hard starts poor idle stalling cause wrong camshaft timing Wiring issues (harness/wiring) in intake timing control valve control solenoid system Steady oil flow to VCT piston chamber Faulty timing valve control sole…noid (stuck open) The fix Replace the VCT unit or one of its components (MORE)
The CUP will overheat and the computer will cease to work and maybe permanently damaged. The fan needs to be replaced.