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2002 Chevy Tahoe Rear Ac Not Working

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gmtech7906-16-2006, 10:34 PMYes, sounds like you have a problem with the expansion valve in the back, it is inside the aux. The rear may have a expansion valve. The expansion valve is not bad to do, I would recommend replacing it rather than clean it. This is not recommended for shared computers Log in Register Help What's New? have a peek at this web-site

Thanks in advance... I had heard about a solenoid that activates the rear AC. Definetly need Hi and Lo side readings with a quality gauge set like MT-2500 said. Spicoli07-24-2005, 04:07 PMYou got me horse.

2002 Chevy Tahoe Rear Ac Not Working

It's cheap. hvac case. I went through and 2 week ordeal with mine to figure this out but it makes ice in the rear now.

  • Have not charged this truck since I bought it in Nov 04' with 80k.
  • You will have to split the air box in the rear of the truck that has the heater core and all the blend doors and there will be a small a/c
  • You can also do all this without removing the rear heater core.
  • Also here is a link to a good air cond forum.
  • Low side at idle 600-700rpm is around 70psi and goes up to 120psi when the compressor cuts out.
  • Low side at idle 600-700rpm is around 70psi and goes up to 120psi when the compressor cuts out.
  • there will also be a brass expansion valve(same thing as the front orfice tube) with it.
  • Is there a fixed orifice plate at the evaporator?

Not too much of a problem in Central Texas, but it is a pain for those 6 days a year when we want it to blow hot air. Does this make sense to anyone? 2002 Yukon - 20" Boss 313 Nitto NT 420S tires McGaughy 2" Spindles in front; Belltech 3" Springs in back with shock extenders 4.8 L nosefirst07-25-2005, 07:10 PMTry searching the Suburban forum archives under A/C. 2003 Suburban Rear Blower Not Working Now just to warn you, the expansion valve deal is the easy part, splitting the air box is where the work is.

If the explosion does not kill you at 500 lbs the freon is at 500 gegrees which could cook you and the freeze what is left when the pressure drops. Suburban Rear Blower Not Working Got a plug in the flow back to the heater core somewhere? Home Forum FAQ Calendar Forum Actions Mark Forums Read Quick Links View Site Leaders Classifieds Vendors #tab_mjk4_219# Forum General Discussion Technical / Maintenance Rear AC not blowing cold Thread: Rear AC Make sure the gauge is good and we need a reading on both high an low sides at idle and 2000 rpm.

If you look at your rear air controls do you have one fan speek knob or three that includes the temperature and floor/ceiling selection? 2001 Tahoe Rear Blower Not Working Reply With Quote 04-10-2009,09:16 AM #4 masintenn View Profile View Forum Posts View Articles Registered User Join Date Sep 2006 Location Tennessee Age 41 Posts 1,284 My Feedback (0% Positive Feedback) Anybody have any ideas? MT MT-250004-27-2006, 03:38 PMI'll try to hookup gauge tomorrow and read low side at 2000rpm.

Suburban Rear Blower Not Working

Because it will be plugged. I cannot find the rear orifice tube. 2002 Chevy Tahoe Rear Ac Not Working And there's nothing in the back, so I'm pretty sure the air return is clear. Tahoe Rear Air Blows Hot I've learned most 2001+ Yukons have rear heat and Tahoe's dont.

But I have a 2001 Tahoe LT and it only has A/C in the rear and doesn't have heat back there. Check This Out Jay The low side is reading way to high. Always have a high and low gauge hooked up and watch them with both eyes when you check or recharge a air cond system. You can either go to Napa and buy a new one for $30 bucks or take the old one off and there will be a little screen on the high side 2002 Tahoe Rear Ac Not Blowing

MT J Rainey05-18-2006, 10:49 PMCould be a sinple relay switch in the thermostat lweford06-05-2006, 11:06 PMI will almost guarantee you that your problem lies in in the rear accumalator. Jay If you are using one of them wall mart one gauge recharge death kits pitch it in the trash can before it kills you or your air cond or your Post back pressure readings. http://bookread.org/not-working/front-speakers-not-working-chevy-cobalt.html I'm a Dallas-boy...the rear heat is simply a second heater core in the rear, isn't it?

Do I have a compressor going like SIDES who said his keeps breaking belts? Rear Ac Not Blowing Cold Air The front is cold as can be, but the rear just feels like outside air. Log in X User Name Register Password I've forgotten my password Remember Me?

I wish I could help you, but I'm watching this post closely.

MT-250004-23-2006, 09:46 PMWe need your low and high side pressure readings at idle and at 2000 rpm with both units turned on. Cannot find any fittings in back. Have you charged it or added gas or done anything to it? Chevy Tahoe Air Conditioner Blowing Hot Air All the controls are set to cold for the rear and the blower is operating fine.

You want find any service fittings back there either, you only use the front service fittings. Thanks! 2002 Yukon - 20" Boss 313 Nitto NT 420S tires McGaughy 2" Spindles in front; Belltech 3" Springs in back with shock extenders 4.8 L with a wait4meperformance comp Reply Thanks in advance... have a peek here Have not charged this truck since I bought it in Nov 04' with 80k.

Now it has 111k miles. My rear unit will only blow A/C, no heat. Have not charged this truck since I bought it in Nov 04' with 80k. Cannot find any fittings in back.

Jay MT-250004-27-2006, 02:42 PMI'll try to hookup gauge tomorrow and read low side at 2000rpm. If the valve is stuck in the closed position, there will be no cold air to the rear.