2006 chevy trailblazer ac vents not working - 2004 CHEVROLET TRAILBLAZER. 6 CYL. 4WD. AUTOMATIC. 70,000 MILES. The climate control screen on my TB went blank and none of the controls (AC, Rear defog, fan speed, temp controls, etc.) Work. Not sure if this is a computer issue as all of the other systems seem to function fine. Wednesday, November 5th, 2008 AT 11:36 PM.

 
Found the fuse under the rear seat on the driver side. Disconnected the battery, pulled the fuse waited about 15 minutes, inserted fuse, reconnected the battery, turn switch to on and turned AC/blower to off and waited 5 minutes. Tried the AC vents on top and did not work, did it 5 more times and no dice, did not work.. Comcast line down number

2003 Chevy Trailblazer, A/C works on passenger side vents but not on drivers side vents. Dual climate controls. No restrictions in the vent because it blows the same amount of air on each side. Whats … read more2006 - 2009 TrailBlazer SS Tech. 06-09 SS Appearance. Exterior. Blacked out air vents. Jump to Latest Follow 3K views 7 ...Front vents NOT blowing air~~~~QUICK FIX, In this video i will show you how to fix low air flow through your cars vents.IF YOU ENJOY MY CONTENT BUY ME A CUP ...Step 1: You’ll need to your Chevy Trailblazer’s fuse box location . On most makes and models, it’s to the left of the driver’s seat (when you are behind the steering wheel). Step 2: Once you access your vehicle’s fuse box, you’ll need to locate the radio fuse. You should see a schematic printed on the door.I have a 2002 Trailblazer LS. And for some reason, even when my right AC knob is turned all the way to the left (which should be dash vents only) it blows air from both the vents on the dash >and< the floor vents.And sometimes, when the knob gets turned back and forth to change modes it wont actually turn the dash vents on at all.It … The heater may stop working in Chevy TrailBlazer due to low coolant level or air in the cooling system, clogged heater core, bad thermostat, faulty blend door actuator, bad water pump, dirty cabin air filter, bad blower motor, or HVAC control unit malfunction. 1. Low coolant or air in the cooling system. Low coolant level or air in the cooling ... Remove the IPC from the IP. Remove the air temperature actuator-left (1) retaining screws. Disconnect the air temperature actuator-left electrical connector. Remove the air temperature actuator-left. Recalibrate the actuators by removing the HVAC fuse for 2 minutes. Start the vehicle and turn on the HVAC unit.G. GoodHomer Discussion starter. 3 posts · Joined 2010. #1 · Aug 22, 2013. There's no/little air coming from the front dash vents on my wife's 2011 Acadia regardless of how the system is set. After doing some research, I've tried resetting the HVAC system by temporarily pulling the fuse. No effect.A technician will diagnose your 2006 Chevrolet Trailblazer heater using the symptoms you report as a starting point. Because your 2006 Chevrolet Trailblazer heater is a complex mechanism that uses an electric fan to blow air through a heater core that is heated by the engine coolant, the problem could be electrical, mechanical, coolant-related, or a combination of these systems.4.2L. 6 CYL. 2WD. AUTOMATIC. 133,484 MILES. Recently my front vents stopped working on my vehicle. I've tried to re-calibrate by taking out the fuse, waiting a couple minutes, putting the fuse back in, turning the car to run, letting it go through its motions, but that didn't work. The air blows cold, but it is only coming out at the feet, side ...Jun 18, 2009 · Chevrolet Trailblazer LT: The vent (a/c) system will only blow. The vent (a/c) system will only blow on the windshield and feet in my 2006 TrailBlazer LT. It is an electronic button I press to change where I want it to blow. It shows it changing on the digital dis … read more. 2002 Chevy trailblazer LT. I’m having a problem with the HVAC system. The driver side is blowing hot air and the passenger side is blowing cold air when the air conditioning is turned on. I have pulled and replaced the driver side blend door actuator. I have followed the steps to do the recalibration.A technician will diagnose your Chevrolet Trailblazer heater using the symptoms you report as a starting point. Because your Chevrolet Trailblazer heater is a complex mechanism that uses an electric fan to blow air through a heater core that is heated by the engine coolant, the problem could be electrical, mechanical, coolant-related, or a …I have an 03 Trailblazer, the front vents do not blow ac or heat. The back vents all work as normal. Also there is a loud popping noise in the back passenger side of the car before the back vents really get going is this related. ... My 2006 Trailblazer vent defrost and heat control stopped working. ... HAVE A 03 CHEVY TRAILBLAZER, HAVE HEATING ...This 2003 GMC Envoy came in with the complaint that the a/c will only blow out the defrost and floor. Not through the dash vents. I checked codes and found a code B0263 for a fault with the mode actuator. I first ran into this problem after changing a battery in one of these vehicles last year. Whenever the battery is disconnected the HVAC unit ...2006 - 2009 TrailBlazer SS Tech. 06-09 SS Appearance. Exterior. Blacked out air vents. Jump to Latest Follow 3K views 7 ...Try this. Remove the fuse for the AC system under the hood in the fuse box. Leave it out for five minutes. Then reinstall. Turn the key to the on position and wait one minute. That is the calibration for the actuators. See if that fixes it. If not get back to us and we will see about the actuator for you. Roy.In this video, I show you a few simple tests I used to narrow down the problem causing my air conditioning not to work on my 2003 Chevy Trailblazer Extended....If voltage goes to the blower motor, it'll need replacing. If there's no voltage, test the resistor (YouTube). 2. AC System Not Blowing Cold Enough. The most common reason for your Chevy Tahoe's AC not blowing cold enough is low refrigerant levels, followed by a dirty evaporator or condenser issues (bad or clogged).Mar 17, 2015 · Tell him its like the old resistor, but not digital. It gets power and ground, and the smaller middle wire gets a lower voltage ground signal. IF those are in place, then test the 2 wires to the blower motor with an old school test light. No power means the blower motor controller. Power means the blower motor is bad. air duct dont flow out of vents hvac mode acutuator how to remove from a 2006 chevy trailblazer and replace new one. Answered in 5 minutes by: Chevy Mechanic: JHoop. JHoop.2008 chevy trailblazer AUTOMATIC TRANSMISSION 4.2L 4X4 ID TAD 495904 will this work on 2006 trailblazer.and whats needed to make work ... 2006 chevy Trailblazer 4.2L A/C compressor works but no blower.Control head display works and appears to activate blower with bar display but no air out of vents.Does this use a blower resistor block ...How to Fix. It is possible to locate the fuse that blows the power to the blower motor from the owner's manual or from the fuse box cover. If a fuse blows, use a new fuse that has a different amp rating. To check the fuse, first remove the fuses from the box by pulling the fuses out with a fuse puller or by holding the fuses in your hand by ...a/c mode actuator 2006 envoy denali. I recently changed the battery in My 06 envoy denali, after doing this my dash a/c vents would not work, I went to GM dealer to have the mode recalibrated and was told that the mode actuator is bad. They gave me a price of about $600-$700 to install a $79 actuator saying that it will take 6 hrs according to ...Fix Or Replace Mode Actuator Motor. Check manually if the mode actuator is working. If it does not work on the first try, the mode actuator must be faulty, and you have to change it. If the mode actuator works but the air doesn’t change, the problem is jammed air. In that case, clean the insides of the mode actuator.I have an '06 Trailblazer EXT w/ DVD player. The rear cabin vents are not blowing any air. This includes the roof and floor vents. What has been done: -Checked all the fuses, in all locations. All fuses fine.-Turned on the rear fan vents via the front controls. All settings tested (R-3). - Closed all the front vents to force more air to the ...My 2004 Chevy Trailblazer HVAC system is working but not switching between upper, lower and defrost vents. The battery - Answered by a verified Chevy Mechanic ... 2006 Silverado with automatic climate control and air only blows out the upper vent. ... The front vents do not blow air, but air does come out of defroster vents and the floor vents. ...5. Remove the two screws that hold the blower motor in place and remove the motor. 6. Installation is the reverse of removal. Be sure to connect the electrical connector to the blower motor before reinstalling the screws. 7. Start the engine and turn on the climate control system to test the new module. 8.Henner Discussion starter. 5 posts · Joined 2009. #1 · Nov 8, 2009. I have a 05 Trailblazer and the Heat and Air will not work they will not blow out of feet or defrost or vents in the front or rear. When you turn the knob from vents to feet to defrost you can hear something making a noise behind the dash. And if i turn on the AC the idle ...The heater / ac control only works with one or two desired settings.defrost will not work at all (2006 chevy trailblazer) The actuator motor that controls the defrost,to floor,to vent ,has gone out,this will be a job to take to the shop,the dash will have to be pulled out toward the seats to replace the actuator motor.A faulty fuse or relay. This is one area to check that might be responsible for your dashboard air vents not working. If there is a bad ventilation fuse in your vehicle, the blower motor will not be able to carry out its function by blowing air through the vents. This problem can also occur if your vehicle has a faulty relay; the relay helps to ...The rear unit is located behind the inside rear quarter trim panel on the pasenger side. This has almost all the same parts as the front, but work independently from the front. The rear has a temperature door motor and a mode door motor (for changing the position of the airflow). They are the same part as the ones in the front dash, and fail ...That sounds like where. your problem is. Push it once, then open the door and see if the lights come on. If they don't, close the door, push the button once again, then open the door. It's a push once on, push once off type of switch (sorry, it's late, and I'm. blanking on the proper terms).HVAC actuators for 03 Chevy Trailblazer, blend door, hot to cold, floor to defrost, floor to vents49 posts · Joined 2015. #2 · Aug 18, 2020. I recently had the same problem but the cold air was on the passenger side and the hot air was on the drivers side and the knowledgeable guys here said that the actuator is bad. There's 3 actuators on the drivers side and 2 on the passenger side and all 5 are plastic junk but I brought it to the shop ...Silicone spray did not work for me so I performed the following steps to fix the mode motor. 1) No panels need to be removed to get to the mode motor. 2) Unplug the green electrical connector. Remove the two gold bolts. Also remove the two black clips that are holding the silver rods in place.9223 posts · Joined 2009. #5 · Feb 23, 2012. Re: AC/Heat only blows through all vents, Help! while youre down there- turn the key to on--. and move the selectors--- you should hear/see the blend door motors working- or not working. 2023 Traverse LT 3.6L 15,000.Heating/ac fan isn`t working on my 2006 trailblazer. Did you check in the fuse box in thje engine compartment? Read full answer. ... 2006 Chevy Trailblazer low beam headlamps will not work. ... the camshaft position actuator solenoid the vapor canister purge valve the 4pcs ignition coils the vapor canister vent solenoid and both oxygen 02 ...Chevrolet 2003 TrailBlazer For a digital air flow system try resetting the HVAC unit. Either take out the fuse for the HVAC module or disconnect the battery for 5 or 10 minutes. Reconnect battery or replace fuse. Turn the ignition to ON and DO NOT STARTor ATTEMPT to START ENGINE !!.You should hear the actuators, motors etc resetting.Describing three most common blower motor problems and how to fix them. DIY friendly.Be sure to also check the "5 Reasons Why Your Car Heater Is Not Working"...If you’re a frequent shopper at Ace Hardware, you may have heard of their loyalty program called My Ace Rewards. This program offers a range of benefits and rewards to customers wh...I could not get any air (hot or cold) from the dash vents, only air blowing from the defrost vents and foot vents, and the back seat vents. After hours of searching I could not find my exact car help, but it sounds like this was the mode door actuator, and the dealer wanted $875 to replace this, the dealer said they probably would have to ...1. Loose Connections At The Wiring Harness. You replaced it but the new blend door actuator is not working! If the wires come loose at the wiring harness at the back of the module for actuators, replacing the actuator alone will not get any luck. Despite changing the actuator, the blend door actuator will not get the power it needs for operating.It is located under the dash on the passenger side. SOURCE: Heat wont blow through heater or defroster vents. common problem, check under dash by the gas pedal if control arms are muving went selecting from ac to heat cuz this it is the control for the vents to go from ac to heat and to defrost. SOURCE: There is no air flow.5269 posts · Joined 2004. #10 ·Aug 14, 2007. the replacement of my battery caused the same sucky idle issue- and with AC on- engine shut off a few times... the way I understand it- what happens is that over time- the computer learns settings and adjustments for the throttle body. as it gets dirty- it learns to compensate for this....The most common causes for AC not cooling properly in Chevy TrailBlazer are low or overcharged refrigerant, compressor malfunction, clogged cabin air filter, dirty …The most common causes for AC fan blower motor not working in Chevy Blazer are blown fuse, bad relay, resistor or control module malfunction and faulty blower motor. However, a bad electrical connector or broken wire, or a defect in the climate control unit can also cause the blower motor to stop working. 1.The most common causes for AC blowing hot air in Chevy TrailBlazer are low or overcharged refrigerant, compressor malfunction, dirty condenser or evaporator coils, faulty blend door actuator, defective evaporator temperature sensor, bad AC pressure sensor, and bad fuse or relay. Less common causes are clogged expansion valve or orifice tube ...Aug 13, 2018 ... Replacing a blower motor resistor on a 2005 Chevy Trailblazer. Symptoms include heater fan only working on one or a few fan speeds, or not ...2006 chevy trailblazer_ls Joined Feb 25, 2008 · 3 Posts #90 ... Now it is cold and the floor vents are not working. I tried the reset with no luck. I took out the center actuator and and tore it apart, Low and behold a broken gear, I replaced the actuator and now when I put it on dash vents it blows out on the floor and when I put it on floor ...Fans of heavy-duty pickup trucks may have fewer options than someone who’s shopping for an affordable four-door sedan or compact SUV, but there are still plenty of choices. The Sil...Jan 10, 2014 · Maybe it just needs to be recalibrated. Go to the rear fuse box and pull the HVAC-B fuse for about 10 seconds and put it back in. Then turn the key to RUN but don't start and don't touch anything on the HVAC until it has finished recalibrating the actuators. Answered in 2 hours by: Chevy Mechanic: Dave Nova. The power is supplied by the LT DOORS circuit breaker in the rear fuse panel under the back seat. If the Left rear window switch works, then this circuit breaker is good. Try removing this circuit breaker and reinstall it to see if cycling the power to the drivers switch will reset the internal ...I have a 2003 chevy trailblazer, all of the vent blow air except the middle top vents, the low beams dont work and the - Answered by a verified Chevy Mechanic ... I did the reset and it did not work. It is only the middle vents that will not blow. I did change the relays. ... Please provide wiring diagrams for headlamp system on a 2006 chevy ...Here are the symptoms once more.2003 Chevy TB. This started when battery removed. Manual ac. Hot air blowing through all vents when the ac is on. Switches work. Vents do change when switched. Accummulator/condenser gets ice cold in engine compart. When ac switch is pushed on, slight load on engine.Used 2006 Chevrolet Trailblazer pricing starts at $3,503 for the Trailblazer LS Sport Utility 4D, which had a starting MSRP of $27,240 when new. The range-topping 2006 Trailblazer SS Sport Utility ...HVAC actuators for 03 Chevy Trailblazer, blend door, hot to cold, floor to defrost, floor to ventsHow to Replace Heater AC Control Controls on Chevrolet Equinox Chevy. Check Details. Heats not working in my 2011 Chevy equinox I tried replacing the. Check Details. 2011 Equinox has no heat, I replaced the actuator about a few months. Check Details. Im looking for procedure to change heater core in 2006 Chevy equinoxDec 5, 2013 · To fix this you need to remove the entire dash to get the heater box out which involves discharging the AC and draining the coolant because the heater core and evaporator come out. Please rate. 783 Answers. Posted on Mar 02, 2009. SOURCE: Vent control. You have a vacuum leak.Defrost is the default postion (no vacuum). How to Fix. It is possible to locate the fuse that blows the power to the blower motor from the owner’s manual or from the fuse box cover. If a fuse blows, use a …First, check the condenser to make sure it's not blocked by any debris. Inspect the cabin air filter (if equipped) to verify that it is not clogged. Determine if the blend door is moving. Check the system pressure. If it's low, you'll need to charge it and find out where the leak came originated.The Chevrolet Silverado is a line of trucks under the Chevrolet brand and manufactured by General Motors. Mechanically, the GMC Sierra and Chevrolet Silverado are identical. ... Subscribe; Unsubscribe; Air is stuck on vents. I have a 09 Chevy Silverado. The air is only blowing out the vents. It's stuck on the vents. Nothing will come out ...AC vent actuator (which one) ... Wow, I'm stupid.... I re-read my first post and what I meant to say was my DEFROST and FLOOR vents work.... My dash vents do NOT work. Save Share. ... A forum community dedicated to Chevy Trailblazer and GMC Envoy owners and enthusiasts. Come join the discussion about performance, modifications, troubleshooting ...Wait for at least 1 minute. Re-install fuses, start truck and do not touch a/c control head for 2 minutes. Shut off truck, re-start and check for normal operation. 2006 Chevy Trailblazer. Question- I went to turn on the fan switch in my car for the air conditioning; however, nothing happened. I turn on the rear air conditioning and that works fine.2007 Trailblazer LT A/C issues i took my trailblazer to sears to get the oil changed and tires rotated, when i left and got back on the interstate my A/C did not work and im not sure if sears had anything to do with it or not. but i noticed when my wife tried to turn on the rear ac for our son it did not work either. i pulled over made sure she was hitting the correct button an se was but i ...On Amazon:*BLOWER MODULE: https://amzn.to/3awI8q8Quick overview on how to diagnose/replace the hvac blower control module on a 2004 Chevy Trail Blazer. If t...Add more horsepower to your Chevrolet TrailBlazer with a K&N cold air intake system. K&N Chevrolet TrailBlazer cold air intakes are easy to install and add power & acceleration while protecting the vehicle's engine. 2009 Chevrolet TrailBlazer 4.2L L6 Gas air intake. $349.99. 63-3062. Add to Cart. 2008 Chevrolet TrailBlazer 6.0L V8 Gas air intake.Automatic Operation Using the Rear Controls. Make sure the power is on. Adjust the Temperature knob to the desired temperature. Press the Auto button. The system will automatically adjust the fan and air delivery mode to reach and maintain the selected temperature. Note: If you adjust the fan or mode afterwards, Auto mode will deactivate.3,854 Answers. Pull the HVAC B fuse located inside the truck for 5 min and then place it back in.The short time the fuse is out and placed back in, the control module will attempt to recalibrate all the actuators, by running them CW and CCW until they hit their stops. Then the control module remembers those positions and tries to not slam the ...My 2004 Chevy Trailblazer HVAC system is working but not switching between upper, lower and defrost vents. The battery - Answered by a verified Chevy Mechanic ... 2006 Silverado with automatic climate control and air only blows out the upper vent. ... The front vents do not blow air, but air does come out of defroster vents and the floor vents. ...326 posts · Joined 2013. #12 · Jul 9, 2013. it could be low on charge but if its ice cold on pass side and hot on driver its more than likely a bad left temp actuator and its a mo fo pita to do the dealer will probably cost around 6 or 7 hundred bucks.Then turn the ignition on but no need to start the engine. Doesn't matter what mode the controls are in when you do this, but some people prefer to set them to off before pulling the fuse. Leave everything untouched for 90 seconds. Then start the engine and test things out. Actuators are tested functionally.I have a 2002 Trailblazer LS. And for some reason, even when my right AC knob is turned all the way to the left (which should be dash vents only) it blows air from both the vents on the dash >and< the floor vents.And sometimes, when the knob gets turned back and forth to change modes it wont actually turn the dash vents on at all.It …2003 chev trailblazer ac will not blow air thru dash vent, however air will blow thru defroster and floor vents. ... I have a 2003 chevy trailblazer, the dash vents will not produce air flow. ... 2005 Chev Trailblazer. Usually my air conditioner works fine but, when it is hot outside and I have been running my air conditioner for a while, ...2006 Buick Rainier 83,000 mi, Visitor. Battery was replaced by Sears, only now the Air Conditioning and outside vent air only blows at the bottom and defrost vents on dash and sides but never through the front passenger and rear passenger vents. Fuses were checked at the engine compartment and under the rear seat.2006 chevy trailblazer LT, fan does not blower when heater/ac is on. here a clicking like its trying to go, but NOT!! ... got the 93 chevy the fan blows hard but not much air out the vents and the heater warms up but not much ... snapontech. Associate Degree. 195 satisfied customers. 2004 Chevy Trailblazer: ac fan only …I have a 2003 chevy trailblazer, all of the vent blow air except the middle top vents, the low beams dont work and the wipers stay on all the time. ... air duct dont flow out of vents hvac mode acutuator how to remove from a 2006 chevy trailblazer and replace new one ... I have a 2004 Chevy Trailblazer. The fan will not work on setting 5. Works ...2006 chevy trailblazer_lt ... So I purchased the heater/vent flow door actuator, and in taking things apart, realized the actuator for the heater/vent was working, but not for the defroster. I removed it, and manually reached up and set the door to the half open/closed setting , same as the heater door. ... OK, here are my issues. 1)no air from ...A/C not Blowing out bi-leavel vents How's it going every one, I'm Robert. I have had some of the same problems. my air was not coming threw the front vent, I had recently changed out my alternator and battery. ... New ac blower not working Hello Everyone, I have Trailblazer LT 2006. My old ac blower is cracked and when i run it on …3. Remove the instrument cluster trim bezel nuts (2). 4. Lower the steering column. 5. Move the shift lever to the first gear position. 6. Pull on the instrument panel cluster (IPC) trim plate bezel (1) in order to disengage the retainers. Pull in the following sequence in order to disengage the retainers.Vents on dash will not blow air all other vents work great, ... i have a 2006 chevy trailblazer that wont blow air form the upper vents, blows from defrost, and floor,,,,i was told it is a faulty blend door actuator or a mode door actuator. but which is it im comf ...1. The clutch is not getting a signal to turn on. This indicates some form of wiring problem. -or- 2. The AC compressor is getting a command to turn on but is no …The drivers side temp actuator is located on the drivers side under the dash. Take off the hush panel under the drivers side dash, look up towards the center console under the dash. You will see 3 square boxes (temp actuators) with wiring comming out of them. The temp actuator is the one towards the rear of the truck.G. GoodHomer Discussion starter. 3 posts · Joined 2010. #1 · Aug 22, 2013. There's no/little air coming from the front dash vents on my wife's 2011 Acadia regardless of how the system is set. After doing some research, I've tried resetting the HVAC system by temporarily pulling the fuse. No effect.This video tutorial will show you how to replace the AC / Heat blower speed resistor in a 2002 - 2006 GMC Yukon.AC / Heat Air Not Blowing? Only Some Blower ...Front vents NOT blowing air~~~~QUICK FIX, In this video i will show you how to fix low air flow through your cars vents.IF YOU ENJOY MY CONTENT BUY ME A CUP ...From the driver's seat, turn the vehicle to ON (but do not start it) - I immediately hit the "OFF" button on my HVAC to make sure it does not try to come on. If you have everything off (including the radio) you will likely hear the blend doors cycling to their limits.

I have a 2002 Trailblazer LS. And for some reason, even when my right AC knob is turned all the way to the left (which should be dash vents only) it blows air from both the vents on the dash >and< the floor vents.And sometimes, when the knob gets turned back and forth to change modes it wont actually turn the dash vents on at all.It will ONLY blow thru the floor vents.. Perfect game wwba 2023 16u

2006 chevy trailblazer ac vents not working

Less common causes are dirty or sluggish blower motor and faulty mode door actuator. 1. Clogged cabin air filter. Dirty AC filter is the leading cause of weak AC airflow in Chevy TrailBlazer. The pollen filter, also known as the cabin air filter or microfilter, is responsible for filtering the air that the passengers breathe in the cabin.At the simplest level, there are two main reasons why the heater is not working. If it’s not coming on at all, it’s usually either the blower motor or some other wiring issue. If the heat is blowing, but blowing cold, it has something to do with the coolant getting to the heater core, or the heater core itself. It is called the mode door actuator. It controls air flow out the vents. Roy. 1. Remove the floor air outlet duct extension (1) from the floor duct (2). 2. Remove the center console. 3. Remove the screws from the center console duct. Jul 11, 2019 ... Using a 2005 Buick ranier, I point out to you the location of the blower motor fuse. Check this out if your blower motor is not working.Like. JAY4SPEED. 4117 posts · Joined 2008. #3 · Mar 10, 2009. Blend doors are for temperature control, the mode door actuator is what you are after. And yes it is a bitch to replace. If you remove the hush panel from the bottom of the driver side dash, lay down and stick your head by the gas pedal, look up and there it is.2003 chevy trailblazer engine dies when ac/heater switch is turned on but blower motor is unpluged. The throttle body needs to be cleaned, grime in this area prevents the throttle plate from closing completely and allowing air to enter, making the air/fuel mixture lean. Make sure to clean the front and back sides of the throttle body.If the air only blows from the defrost vents, your problem is a vacuum leak more than likely under the hood either to or from the vacuum tank. The vacuum tank commonly looks like a plastic ball with vacuum lines attached to it. Check for cracked lines, disconnected lines or a cracked vacuum tank. Jun 27, 2011 • 2006 Chevrolet Trailblazer.I have a 2008 V-6 trailblazer with an automatic (digital) ac system. The front ac fan will not come on no matter how I manipulate the controls. No dash vents, no defrost, no floor vents, nothing. It doesn't even make a sound. The rear blower is working however. The fuses under the rear seat...First you need to find out what part number to order; just call the local GM dealer. you will need to give them your VIN; the P/N I used was 89018675 and I got it from parts4chevys. $46.33 which was a lot cheaper than the dealership. Remove lower dash covers. The actuator is located behind the middle portion of the dash; if you lay on the floor ...Evil SS 2006 Discussion starter. 11408 posts · Joined 2007. #1 · Dec 24, 2009. Before I broke the motor, I noticed that no matter what I did to the controls, the HVAC system was stuck moving air from the defroster and lower heater vents. The dealer diaged it as the mode door actuator, anyone have info on how to get to it in the center console ...The most common reasons a Chevrolet Trailblazer cruise control isn't working are failed control module, sensor or switch issues, or throttle actuation problems. 0 %. 10 % of the time it's the. Control Module. 0 %. 10 % of the time it's the. Sensor. 0 %. 80 % of the time it's the.Several factors can impede the proper functioning of the air conditioning system in your Chevy Silverado 1500. These include a dirty cabin air filter, refrigerant leaks, a dirty or clogged condenser, a dirty or clogged evaporator, a malfunctioning blower motor, a defective compressor, a faulty blend door actuator, or any electrical system faults.SOURCE: 1991 chevy g20. 5.7l v8. air conditioning does not work. the blower and switches seem to work fine but it does not cool and only blows out of defrosters. Blowing out of the defrost is a vacuum problem. You have a leak between the motor and the heater controls. Most likely needs to have the A/C system charged up. Posted on May 30, 2009Pull the relay and jumper the relay contact pins. If you swapped out the relay then the computer is not sending a turn-on signal. My relay opens after about 15m of operation, yet if I jumper the relay the clutch engages and blows cold air. I have to assume the high or low sensors are detecting an anomaly..

Popular Topics