2015 Chevy Silverado LTZ Z71 duramax13k on truck and now that the weather is changing I hit the defrost button and no air blows from defrost vents. I have alwys had chrysler products. However, after 1-2 minutes of driving the windows are completely fogged up. Rear defroster not working. all problems of the 2013 Chevrolet Silverado, all problems of the 2003 Chevrolet Silverado, all problems of the 2006 Chevrolet Silverado, all problems of the 2008 Chevrolet Silverado, all problems of the 2005 Chevrolet Silverado, all problems of the 2004 Chevrolet Silverado, all problems of the 2000 Chevrolet Silverado. Hall + Oates . My 19 Denali with the ultimate package turns on heated seats, heated steering wheel, rear defrost and heater defrost on full blast with the factory remote start. bd. Hello all. The heater in my 1990 Silverado Chevy truck works great and blows hot air out of all the vents, but will not blow any air out of the defrost. Apr 22 2019, 3:56pm. 5. Chevrolet Silverado owners have reported 10 The heater does not distribute adequate amounts of heat into the passenger's footwell. where would I find it? Once the defroster was activated, it failed to defrost the passenger side of the windshield blocking the contact¿s visibility. Auto hvac isn't perfect, but seems to requires a lot less adjusting than manual mode. The technician stated that the flap was stuck and manually moved the flapper. I'm guessing this thing has an elictric motor? 2019/2020 Silverado & Sierra Troubleshooting, Fullsize Truck & SUV - 2019 - 2020 - 2021 T1XX Platform, 2002 Sierra 8.1, 2001 Tahoe, 2002 5.3 Siverado, 2019 Custom, 2021 1500 LM2 Crew Std Box 4wd Satin Steel, Silikhan Publishing Group & GM-Trucks.com, 1999-2013 Silverado & Sierra (GMT-800/900), 3.0L Duramax - who owns or has driven one, Breaking News - UAW and GM Reach Tentative Agreement, Costco Kicks Off Season of Values With Great GM Vehicle Deals, "Silverado Race Truck" Previews Future Silverado ZRX, New Face For 2021 Chevy Colorado Debuts On Hall Racing ZR2, Following a Hopeful Stretch UAW Now Says Strike Deal Moving Backwards. See Vent Issue. The are not visible on the rear window and I don't know where to located them . Rear defroster fuse:If the fuse for the rear defroster is blown, the defroster won’t get power. Does anyone no what the problem could be? Oct 12 2014, 6:20pm. The truck is a 2004 Silverado 2500HD, with dual climate control. Drops.   You cannot paste images directly. Thread starter Jason24; Start date Dec 17, 2012; J. Jason24 Active Member. The manual reactivation isn't great but I guess it's a safety concern much like how the truck rear outlet turns off after 10 minutes and the truck turns off after idling for 30 or 45 minutes. I had defrosters WITH heat this morning. Engine size = 3.8 Question: Our 2002 venture defroster is not working properly after 8 yrs of ownership. If you're not sure where the connections to your defroster circuit are, consult your repair manual. Replaced resistor assembly and it worked for about three days. Nov 29 2017, 2:56pm. The 2005 Chevrolet Silverado has 7 problems reported for heater not working properly. This problem, from freezing temp. A broken or disconnected tab can keep your rear defroster from working. (seems to be a GM thing...). See on mine, rear defrost usually comes on, heated steering wheel comes on, but heated seats do not (ventilated seats wouldn't come on in summer either with remote start)... currently at the dealer for recalls and a loose shifter... having them look at the heated seats not enabling while it's there... i'll try and remember to post back if they figure it out. The first thing to check if your compressor will not engage is the electrical system. Still new to me and learning what it can and can't do. how do i determin witch ones to replace. all problems of the 2008 Chevrolet Silverado . This morning it was 28 degrees with a heavy frost, the defrost didn't come on. Brand new 2016 Canyon. 12' Silverado Defrost. The contact owns a 2013 Chevrolet Silverado. I have pulled most of the dashboard off in order to see the vent doors. Jumping the car or replacing the battery can solve this problem. Discussion Starter • #1 • Oct 31, 2015. The vehicle was taken to a dealer for diagnostic testing. Indicator lights for seats and defrost do not come on when it is started by remote. Is this true that they are allowed to design and sell a vehicle in this climate that will not warm up enough to defrost the windows in such a period of time. × It has dual air controls. Excellent thanks for the reply, pics and help I will tackle this project this weekend. My 1999 Chevy Silverado has lost the ability to direct the air flow to the defroster and the floor. I've always understood it was determined only by the ambient temp, not the 'set' temp  -- at least an the 'auto' hvac system. The prolem I have is the defrost and heater are not blowing much air. it appears that the doors are working. Passenger side rear defrost panel is not working. I never have used the auto hvac and don't ever plan to. no air coming out the dashboard or defrost vents. defrost dose not work all others work | Find answers to your 2005 Chevrolet Silverado 2500 HD question from certified mechanics and auto experts. I had problems with the defroster not working and no heat. I own both a chevy Silverado and suburban 2005. Much to my dismay, my defrost doesn't work. 2005 chevy Tahoe z71-defrost doesn't work: Sign In Hi, I have a 2005 chevy Tahoe Z71. Heated seats nor steering wheel were on but the air coming out of the vents was fairly warm. This is very frustrating and real cold on long trips when I should be able to get comfortable.   Your previous content has been restored. MY MISTAKE I should have added to tape or liquid tape over that area . Jump to Latest Follow 1 - 3 of 3 Posts. Well could be your blend door motor,or you could have a bad heater/ac unit where just the directional is bad. Average repair cost is $170 at 87,700 miles. Logged 1983 K10 silverado. I tried working with the dealer and chevy and both act like they never heard of the problem. Test Equipment Inspection . Average failure mileage is 92,850 miles. The VIN was unavailable. Air blows out of both vents, but the passenger side seems to blow only cold or lukewarm at best when cranked all the way up. × ©2020, CarProblemZoo.com All rights reserved. Sure was tiresome hearing dealers escape warranty work by using the "can not replicate" mantra. now I'm told to keep working with the dealer. Favorite Answer. Location central mass. 383, January 2 in 2019/2020 Silverado & Sierra Troubleshooting. Rear Window defroster not working. Search Fixya. Good luck. The dealers responses were such that I was basically told that I would have to live with a potentially dangerous condition. Last night was our first frost. Please light a fire under gm since I haven't been able to. The technician stated that the flap was stuck and manually moved the flapper. I felt a teeny bit of air coming from the center vent. See Yesterday i got in one to go to work and the heat would not swith to defrost … Is there a stuck lever somewhere? 2015 Malibu rear defroster not working, the defroster light comes on but there is no heat transfer to the rear window . Front defroster was inoperative. By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them. there is high volume air coming out the bottom right, towards the heatercore. The failure recurred multiple times. Chevy Truck Forum | Silverado Sierra GMC Truck Forums. The truck starts fine, but once or twice a month, the defrost doesn't come on. The contact did not sustain any injuries. Some of this coolant is diverted from the cooling system into a heater core. The battery could be the problem if you find that other aspects of the car are not working in addition to the defroster. The failure recurred, but the vehicle was not repaired. Cancel Post comment. all problems of the 2004 Chevrolet Silverado . I am new to GMC. The manufacturer was notified of the failure. This Sierra has auto a/c controls and no floor mounted center console. User Info. See It's never worked. Generally, when the switching system in inoperative it takes 20 minutes of so for it to begin working again. Re: Rear defroster not working. Mine does that intermittently as well. Check your connections. In 20 seconds you can become part of the worlds largest and oldest community discussing General Motors, Chevrolet and GMC branded pickups, crossovers, and SUVs. Answer Save. Oct 21 2010, 3:08pm. If, after commencing driving, the windshield begins to fog over and the outlet selector is stuck in any position other than defrost, it can become impossible to see out the windshield. I did notice that the vacuum bowl on the drivers side up against the firewall didn't have any vacuum lines hooked up to it. The symptoms of a bad compressor can also be caused by a loose drive belt that is not spinning the compressor fast enough. Relevance. At times the truck was left for several days to allow replication. Of course, that means the a/c is operating, reducing gas mileage and the cabin takes longer to heat. 2015 windshield defrost vents not working. The contact stated that the failure recurred several years later in which the heater switch overheated and caused the dashboard to catch on fire. The most recently reported issues are listed below. The manufacturer was notified of the failure. What am I supposed to keep working with since they've been told by gm that everything is ok? Do you have them enabled in the personalization menu's? Support, the truck was checked; "the heater is performing to specs. Checked to see what was the matter and saw that the connection had melted. Blower fan for heat and a/c stopped working. 02. of 02. Oct 21 2010, 2:06pm. If you have an account, sign in now to post with your account. I don't know if this is a problem with the switch, or something else. 1 decade ago. It appears the dealers I used (3 total) were unwilling to diagnose the potentially dangerous condition. You can post now and register later. More than likely it runs from the firewall down where your left foot would rest on the floor under the carpet. The dealer contacted gm's tech. Upload or insert images from URL. gm's customer assistance notes that there is a gm "poor heater performance review" currently going on within gm but offers no other hope of a solution. Re: Rear defroster not working. A/C and heat controls work fine. The contact owns a 2013 Chevrolet Silverado. When it started doing it, I noticed sparks coming from what appeared to be my ac unit. Likely your battery will only need a jump if this is an isolated issue, but if the problem persists and your car is relatively old, a battery replacement might be necessary. Powered by Invision Community. Rear Window defroster not working. I know at least 5 other people that have 2005 chevys and their vehicle does the same thing. I even have an aftermarket remote start installed (extended range of 15,000 ft.) that turns on the heated seats and rear defrost. With the heater at max. The manufacturer was notified of the failure. My rear defroster is not working at all. When you flip the switch to defrost, it goes to the floor vents and nothing comes from the defroster vents. For whatever reason, dealer was unable to replicate the problem thus refusing to try to rectify the problem. Truck taken to dealer many times under warranty about this problem. With heater on after a few moments it says ac turned off and fans continue to run after disconnecting positive wire it resets as long as heater is left off. I have the same problem with mine, but mine doesnt do it at all. It will not switch from blowing into the cab to blowing - Answered by a verified Chevy Mechanic. It seems to work well if we are sitting still. I've got a 19 denali with tech package. This lame excuse was used with other problems. The failure recurred, but the vehicle was not repaired. Can anyvody tell me where to start? By using this site, you agree to our Terms of Use. The approximate failure mileage was 2,000. Why my 2019 $35,000 truck doesn't do this, is straight jackassery. If windshield is scraped it fogs over when operated down the road to warm the engine. We use cookies to give you the best possible experience on our website. The failure recurred multiple times. When you push the button to switch from the dash or floor vent to the defrost, it stops blowing out all vents and nothing comes out the defrost. 00 to fix the issue. Both are 2005 model chevy silverado's. Several we have worked on this fixed the problem. My 1997 Chevy Silverado all of a sudden will not go to defrost. I wouldn't expect the electric heaters to work if it's in the '70's. No defrost or seat heaters. My ZL1 does the same thing. The front window is not too bad, but the side windows I cannot see out of at all. Anyone else having this issue, or know of a fix? Paste as plain text instead, × This is a safety hazard. So at midnight, I took care of the problem. "!!!! photo by Matt Wright, 2012. This morning it was 28 degrees with a heavy frost, the defrost didnt come on. See However, what REALLY peeves me is that it in cold weather it doesn't automatically turn on the rear defrost with remote start. Since it's an intermittent problem, I'm sure it would work fine if I take it to the dealer. Rear defroster not working. The blend or defrost will not work on my 2004 Silverado stepside 1500. I have an intermittent problem with the remote start on my 19 Custom. A test lamp like this one will help you find a break in your defroster circuit. 2004 Chevrolet Silverado experiencing problems with front defroster which is causing impaired vision. 11/26/2018 by mimsaldridge. Chevy refuses to acknowledge that this is a defected issue on their part and want over $1000. The failure mileage was 100,000. If not, or if the fuse blows again, call a mech… This has caused dangerous conditions along with requiring me to pull over until the interior of the cabin heats up, allowing the selector switch to function. See Re: Rear defroster not working. I hear soulds like the damper is trying to close but I am not sure if it really is or not. all problems of the 2005 Chevrolet Silverado . Steering wheel works though. This is ridiculous. When GMC expects me to spend my dollars with them in the future I, too, shall use the "can not replicate" mantra. Remove the fuse and check to see whether the metal element inside has blown. 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Solution: the average car owner can attempt to repair this if 's! 1500 question 1 - 3 of 3 Posts people that have developed the same thing using site..., with dual climate control to keep working with since they 've told... At all 1993 Chevrolet Silverado has 7 problems reported for heater not and! Direct the air flow to the remote start installed ( extended range of 15,000 ft. ) turns... A 1993 chevy C1500 ext cab, 5.7L, auto, a/c I do to check if your will! And ca n't do appears the dealers I used ( 3 total ) were unwilling to diagnose the dangerous... 'Ve been told by gm that everything is ok defroster does not distribute adequate amounts of heat the... Year with my ZL1 was the matter and saw that the heat was blocked off causing... And learning what it can hurt the defroster and the floor vents and nothing comes from center! Back over christmas tape over that area lost the ability to direct the air to blow out driver! 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Unit just will not engage is the electrical system so this is very frustrating and real cold on trips. Told that I would have to live with a new one of the windshield fogs while... Vents was fairly warm: Texas Reg: 08-01-03 impaired vision 's intermittent... The technician stated that the failure recurred, but I ca n't find them the 's! Problem with the remote start installed ( extended range of 15,000 ft. ) that turns on the road question... Not switch from blowing into the cab to blowing - Answered by a verified chevy Mechanic problem! Learned, though I only moved up to the defroster was activated, it failed defrost... They stated that the defroster does not work on my 19 Custom ambient temps when started! Do not know for sure not too bad, but the defroster was activated, it goes to the vents! Blown, the heat would not activate on the rear defroster not working properly my. Fix this problem a problem with mine, but the vehicle was taken a. 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