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  1. JK Wrangler Technical Forum
    2011 jeep JK My HVAC system is not sending power to the blower motor or the resistor. I get hot and cold air through my vents based off the speed I’m driving, if I change from the vents to the defrost on my control panel that works but other than that my blower motor is not working. I have...
  2. JK Wrangler Technical Forum
    I have an issue I hope someone can shed some light on. First, the blend door stopped working so I replaced that. I took the old blend door apart and found that the gear was stripped. Fairly common apparently. Things seemed to be working but then we had the issue that the HVAC blew only full...
  3. JK Wrangler Technical Forum
    I've recently began to have a problem with my Jeep Wrangler 2014, where it would take the A/C system about 20 seconds after ignition to begin blowing air. On the HVAC control module, the light on the right control dial would be flashing. I read that this was probably an issue with the memory on...
  4. TJ Wrangler Technical Forum
    What's the running consensus on blower motors for the 97-99 TJ? Is the MOPAR price worth it or will something like a Crown Automotive unit do for half the price? I want to avoid saving a few dollars now only to have to go through replacing the unit again a few years down the road.
  5. ZJ Grand Cherokee Forum
    I've been searching for replacement seals for the ZJ as I am replacing the evap core and the heater core, but I've been having some trouble finding good information on the seals. The oem seals are obviously not offered anymore and I can't find aftermarket ones, so I am going to replace the seals...
  6. TJ Wrangler Technical Forum
    Hello all! I have had a problem with my heater blower motor that's a little odd... so the blower only works every once in a while, and continues to work until I forget to turn it off before I turn the jeep off, otherwise it does't work for a week or so, the decides to turn on. all of the other...
  7. XJ Cherokee Technical Forum
    1998 Jeep Cherokee XJ 4WD 4.0 My heater core broke so I replaced the heater core, ac evaporator, blower motor, relay, and resistor. When I put the box back on and turn it on i can hear the fan working*but nothing*is coming through the vents
  8. TJ Wrangler Technical Forum
    Hello all, I have an issue that after hours of searching and multiple attempts to repair over the last year, is still an issue. On my 06 Wrangler, the blend door lever at the bottom of the heater box has snapped off inside the box. I still have the arm and have tried many fixes including...
  9. TJ Wrangler Technical Forum
    Hey guys, So I bought an old 99 TJ off a friend a few months ago. Decided to tackle a problem with the blower not turning off. Pretty much the whole hvac cluster doesnt respond, other than the temp control. Cant turn it off, just blows on high constantly. PO said he was "having problems" and...
  10. TJ Wrangler Technical Forum
    I've got a weird one I can't seem to find a post on. AC / Heater selector switch turns the blower fan on all settings except the heater. AC / Recycle and defrost work fine but when you select heater / blower the fan cuts off. Changed out the control panel including the selector, blower speed...
  11. TJ Wrangler Technical Forum
    I know there are a lot of threads about this already but can't find what I need. I figured out that the vacuum hose at the tee is broken. The hose going to the vacuum reservoir and through the firewall are both broken but I cannot find those hoses or a completely new vacuum system for a 1997...
  12. JK Wrangler Technical Forum
    Hey everyone. I searched but couldn't find his exact issue. I want to ask you all and see if you think I'm on the right track. I had no heat, so I changed out the blend door actuator. So now the heat works. BUT, I can have all heat or no heat. No blend of heat/cool. Does that mean the...
  13. KJ Liberty Forum
    I have a 2003. With the AC off, fans set to any of 1-4 speeds, and the temp switch set to cold, I get hot air coming out. I'm guessing it's the Blend Door Actuator. It seems to be common, but I'm not sure how to diagnose it before I remove the entire dash to replace it. I've seen users drop...
  14. TJ Wrangler Technical Forum
    Hello all! I come again to you for you sage advice! I have a 2003 Wrangler TJ 4.0 with 128k miles on it. Recently, I've developed a bit of an annoying problem. Whenever I accelerate, the A/C switches from the front vents to the defrost. Sometimes it even switches to floor vents. When I let go...
  15. WK Grand Cherokee & XK Commander Forum
    Hey Gang, I've got an issue with the 09 jeep 4.7 ltr where the hvac unit and the temperature system blows out no hot air. I do quite a bit of traveling and before winter struck here in northern mi I noticed that the system would blow out constant hot air whether the control dial was switched to...
  16. TJ Wrangler Technical Forum
    I have searched the forum and have not been able to find a solution or probable cause for my issue. Does anyone know why I'd get coolant on the actuator for the blend door and how to fix it? A little background. I have a 99 4cyl with approx. 120,000 miles on it. I have had heat issues for...
  17. TJ Wrangler Technical Forum
    Floor vent and the outer dash vents work great. Sounds like something (blend door) hits something when I switch the blend door position. Temperature changes fine. From my understanding, if it was a vacuum leak the defrost would be the only thing working, but I did check all my hoses...
  18. ZJ Grand Cherokee Forum
    I'm new to this forum thing so bare with me please. Recently purchased a 1998 Jeep Grand Cherokee Laredo 4.0 (Maroon) with almost 200,000 miles on it. I have problems with HVAC system, Drivers side window off of track, needs new air struts for the rear hatch, The mechanical fan is constantly on...
  19. TJ Wrangler Technical Forum
    im having the same problem as a lot of people on here but i couldnt find any solutions that worked. i've replaced the fan switch and resistor and everything worked great for about a month and now the blower motor stopped working. i could smell some sort of burning before it went out. i replaced...
  20. XJ Cherokee Technical Forum
    I have a 97 jeep Cherokee sport 4.0L, and my blend doors do not operate. I've checked out the actuators and when I turn the selector none of them move. In the engine bay I found two rubber nipples protruding through the firewall and one is un attached and the other disappears into the wire...
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