Question about 1995 Chevrolet Suburban

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I have 1995 suburban and the rear a/c works fine but the front does not work as well, i have changed the accumulator, compressor, the evaopartor does any one know why this would happen,,

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  • Chevrolet Master
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Have you changed the orifice tube in the ac line?

Posted on Jul 16, 2010

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95 Chevy Surburban. Air conditioning issue, front air blows warm, rear unit blows cold. Have replaced orface 3 times, replaced compressor 3 times, replaced accumulator 2 times, flushed condensor,...


they run off of the same compressor if rear is cold and front is hot the hot and cold function in the heater box is not working possible cable problem ? or a vacum line under dash

Aug 04, 2010 | 1995 Chevrolet Suburban

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Im installing a new a/c compressor and i need to add oil and i need to know how much. Its a 1997 suburban with the rear evaporater.


11 OZ of PAG 150 oil Follow Compressor instructions to see how much to add to New Compressor and the balance should be poured into the NEW Accumulator and change the orifice tube in the front near Y split after the condensor on the high pressure side.

Jul 29, 2010 | 1997 Chevrolet Suburban

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2003 suburban with rear air, 27K mi, rear ac and heat are fine, but the front air diverter doesnt seem to work. I switch between defrost, face, and floor modes but no changes. I replaced the climate...


If it is a mechanical switch that you turn this system works by vacume it could be the vacume supply hose coming from the intake manifold is either off or broken.

You could also have disconnected it by mistake when you changed the climate control. Good luck

Sep 19, 2009 | 2003 Chevrolet Suburban 1500

1 Answer

2001 chevy suburban - my A/C clicks bad when RPM goes up.. other than that the A/C works fine


if its cycling on and off have the freon level checked, also check the pressure switch at the accumulator there is also one on back of the compressor, if the pressure is too high or too low theses switchs shut off power to the compressor, the low side one is notorious for failure becaude it is constantly working .

Aug 25, 2009 | 2003 Chevrolet Suburban 1500

3 Answers

2001 Chevy Suburban rear a/c warm front ice cold


I believe there is a expansion valve located on the back part of the air conditioner on the back right side i believe that could be the problem. I think if I am understanding you correctly, your back air is not as cool as it should be or not cold at all. Might want to check this. If I am not understanding you correctly please let me know again what your problem is.

Aug 24, 2009 | 2003 Chevrolet Suburban 1500

1 Answer

1997 GMC Savans 35500, Rear Air only warm air


well what I see you have two problems with you A/C ..1- if the compressor is cycling very fast , the system is probably low in freon , this ban takes like 4lb of freon, now, 2-if we have the right amount of freon and the rear A/C don't work and all the vents are working fine back there for sure the problem is the expansion valve located close to the rear evaporator , that valve get stock open allowing to much refridgerant get in to the evaporator and no cooling at all ,in the back,... you can also have a bad low pressure switch located on the accumulator, making the compressor cycling very fast ..the first you have to do is check the pressures if they are OK , change the low pressure switch..then go to the second problem

Aug 02, 2009 | 2003 GMC Savana

1 Answer

I have replaced the a/ccompressor, orfice valve, and accumulator on my 2002 suburban. front air is cold, rear air is hot. any ideas


THE REAR A/C UNIT USES AN EXPANSION VALVE WITCH CAN GET PLUGGED WITH DEBRIS FROM THE ACCUMULATOR OR JUST QUITS WORKING.

RATE ME

Jul 04, 2009 | 2002 Chevrolet Suburban

1 Answer

Rear a/c not blowing cold, front works fine.


probably the same problem as the '99. you probably lost too much coolant. charge with dye and check for leaks, (these things lose refrigerant normally, so you may not have a bonafide leak but check anyway) change the accumulator as a matter of course. evac the system and make sure you lose no vac over the course of 5 to 10 min. recharge the system for the proper weight (which is on the accum sticker) if you need detailed instructions let me know.

Jun 08, 2009 | 1999 Chevrolet Suburban

1 Answer

Rear a/c not blowing cold, front works fine.


you may not have enough refrigerant. a low charge can cause the rear in this dual system to not work for beans. charge with a can of uv and find the leak. fix the leak. evac the system and recharge. i think you take 4 lbs, but check the accumulator sticker. you may want to just change the accum at the same time.

May 19, 2009 | 1999 Chevrolet Suburban

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