Question about 2001 Chevrolet Suburban

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Suburban 2001 how many orifice tubes?

I have a 2001 Suburban with rear A/C, the ORIFICE TUBE is in one site of the Y that goes to the front CONDENSER and the other goes to the back one, my question is, does it have an ORIFICE TUBE before the rear CONDENSER?

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There is only one fixed orfice tube, it is in the high side ac line..

Posted on Dec 15, 2008


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2001 suburban blows hot air in the front and cold

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Not positive, but probably inline in the high pressure tubing.

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How to replace the oriface tube on a 2001 ford windstar

Remove condenser-to-evaporator refrigerant line. Separate line to expose fixed orifice tube. Pour small amount of clean refrigerant oil into cavity to aid removal. Engage Fixed Orifice Tube Remover/Replacer), hold tool body and turn "T" handle to draw out fixed orifice tube. To install, reverse removal procedure. Use new "O" rings coated with clean refrigerant oil.

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1997 chevrolet suburban a/c will not cool in front or back

My first guess would be not enough freon.
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Jul 03, 2012 | 2001 Chevrolet Suburban

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Where is the freeon filter for the rear ac

hi, if i am correct, this vehicle does not have a filter for the freon in the rear a/c system. the front a/c compressor produces the pressure and suction for the rear system and there is a filter/drier called an accumulator. also there is another filter called an orifice tube. both of these items are located near the passenger firewall. the accumulator is a larger aluminum cylinder which has two hoses going to it from the compressor, and the orifice tube is located inside the high pressure discharge hose assembly near the condensor(mounted in front of the radiator). but, as far as the rear a/c goes, this vehicle uses an evaporator expansion valve for the rear a/c on most models. now, if i'm wrong, and there is actually an orifice tube in the rear, you would find it inside the hose at the very rear, near the exhaust tailpipe on the passenger side. you would have to discharge the whole system to inspect. might want to take to a shop, good luck.

Jun 07, 2010 | 1997 Chevrolet Suburban

2 Answers

Where is the orifice tube on a 98 Buick LeSabre located?

not exactly sure but using info below you can find it.

Remember the flow for the a/c system is :
1. From the compressor a high pressure (HP) gas goes to the condenser in front of the radiator.
2. From the condenser a HP liquid goes to an expansion device (orifice tube or expansion valve)
3. From expansion device the low pressure gas enters the firewall to the evaporator.
4. From evaporator the low pressure liquid/gas mixture goes through the dryer2_bing.gif back to the compressor suction.

There will be about a 1" nut on the low pressure line between the firewall and the compressor. Remove nut and on the male side use a pair of kneedle nose pliers and remove orifice tube. Note orientation of tube.

Replace tube, reassemble, evacuate air from system, recharge with freon.

May 29, 2010 | 1998 Buick LeSabre

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Where is the orifice tube located on the 2001 yukon

Follow the small line out of the compressor to the condenser, thru the condenser then out to the accumulator / receiver tank, the tube is there in that tank on the out going side, as it goes to the evaporator. fitting. Be sure you have recovered all the freon and remove the line at the tank, you may need a small tool to get the tube out.

Mar 30, 2010 | 2001 GMC Yukon

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98 tahoe , blows cold rear , warm in the front,

climate unit controls may be faulty

Aug 21, 2009 | 1998 GMC Suburban

1 Answer

Rear a/c works fine but front a/c blows about the same as outside air temp

The orifice on Suburbans with rear A/C is located near the Y shaped junction block in the tube between the condenser and the front evaparator. It is on the right side near the radiator support. The orifice is in the tube between the junction block and front evaporator. If you look close there is a slight crimp in the tube to keep it from sliding too far into the tube. You should be able to disassemble the tube and remove and replace it.
Sorry for the late post but I just saw your question.

May 17, 2009 | 1999 GMC Suburban

1 Answer

Where is the expansion valve located for the front A/C on a 1999 Suburban old body style

Your suburban Don't use a expansion valve.
It use a ORIFICE TUBE, that made the funtion of the expansion valve.
OK.... If you follow the THIN line coming from the EVAPORATOR to the CONDENSER, you will found.
A JOINT COPLER. just remove and in the part going to the evaporator INSIDE of the line is the ORIFICE TUBE.
Remove and put the new one.

I Know this answear your question.
Thank you for use fixya.

Jul 25, 2008 | Chevrolet Suburban Cars & Trucks

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