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Where is orifice tube on 07 trailblazer

Location of orifice tube

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Where is the A/C orifice located 1993 Sonoma 4.3 TBI


Terry,I think its in the evaporator, some times in one of the condenser lines, Check the attached links,
"I hope this helped you out, if so let me know by pressing the helpful button. Check out some of my other posts if you need more tips and info."

ORIFICE TUBE LOCATION please help

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1 Answer

Where is the orifice tube located on a 2006 Mercury Mountaineer


  1. 2006 MERCURY MOUNTAINEER A/C Orifice Tube

    www.rockauto.com/catalog/x,carcode,1432274,parttype,69362006 MERCURY MOUNTAINEER A/C Orifice Tube - RockAuto. ... 2006 MERCURY MOUNTAINEER 4.0L V6 : Heat & Air Conditioning : A/C Orifice Tube, Price ...

Jul 11, 2015 | Mercury Cars & Trucks

1 Answer

Were is expansion valve in a 2002 Chevy trailblazer in the truck


Are your asking about TXV valve thermal expansion valve for A/C system ? If you are ,yours doesn't have one . Has an orifice tube , The orifice tube is located in the liquid line between the condenser and the evaporator !
The orifice tube is the dividing point for the high and the low pressure sides of the A/C system. As the refrigerant passes through the orifice tube, the pressure on the refrigerant is lowered. Due to the pressure differential on the liquid refrigerant, the refrigerant will begin to vaporize at the orifice tube. The orifice tube also meters the amount of liquid refrigerant that can flow into the evaporator.
Unless you are referring to the auxiliary A/C system for the back of the vehicle , it uses a
The rear TXV is located at the rear evaporator inlet. The TXV is the dividing point for the high and the low pressure sides of the rear A/C system. As the refrigerant passes through the TXV, the pressure on the refrigerant is lowered. Due to the pressure differential on the liquid refrigerant, the refrigerant will begin to boil at the expansion device. The TXV also meters the amount of liquid refrigerant that can flow into the evaporator.

May 23, 2015 | 2002 Chevrolet TrailBlazer

1 Answer

Orifice tube installation


The orifice tube is located in the evaporator inlet pipe at the liquid line connection. The evaporator is located in the right rear side of the engine compartment. .

Jul 15, 2014 | 1990 Chevrolet Corvette

1 Answer

Where is the orifice tube located to put a new one in?


The orifice tube is located inside the liquid line where it connects to the condenser. This line is located on the passenger side of the car and has the low side charge port on it. this line unscrews right where the orifice tube is located... Hope this helps

Sep 08, 2012 | 1992 Buick LeSabre

1 Answer

Location expansion valve 2004 trailblazer


the orifice tube is located on the liquid line which is located next to the overflow tank and air filter housing next to the right front fender

Jun 28, 2012 | Cars & Trucks

1 Answer

How do i change the orfus-tube on 1999 pontiac grand prix?


A/c work is not exactly a Do it yourselfer job with out special tools and equipment. You have to recover the freon form the system first, locate the section of A/C line that houses the orifice tube, Seoerate the two tube sections and remove the orifice tube, Coat the rubber bushing on the new orifice tube with a light film of PAG oil and install the same way it came out, Install new o-rings to the seperated lines , put lines back to gether, using a vaccuum pump draw the a/c system down to 25- 30 inches of vacuum,(mercury is the correct term) then recharge a/c system with proper amount of r-134a. This is really a job best left to a repair shop but it can be done by a D I Yer with proper tools and equipment.

Jul 12, 2009 | 2005 Chevrolet Trailblazer Ext

1 Answer

Where exactly is the orifice tube located at on a 1996 (DOHC v6)?


it's in the high pressure liquid line.

A/C Evaporator Core Orifice The A/C evaporator core orifice (19D990) should be replaced whenever the A/C compressor (19703) is replaced for lack of performance (internal damage). The A/C evaporator core orifice, located in the condenser to evaporator tube (19835), cannot be serviced in detail as a component of the line. If replacement is necessary, follow the procedure outlined for Liquid Line Removal and Installation. An orifice tube replacement service kit may be used as an optional service procedure. Refer to Section 12-00 for information regarding the use of an A/C Evaporator Core Orifice Replacement Kit E5VY-19D695-A.
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A/C Evaporator Core Orifice Replacement Kit Installation
  1. Discharge A/C refrigerant system. Refer to System Discharging and Recovery as outlined.
  1. Remove condenser to evaporator tube (19835) from vehicle.
  1. Locate A/C evaporator core orifice (19D990) by three indentations or a circular recess in metal portion of the condenser to evaporator tube.


    A/C Evaporator Core Orifice Location
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  1. Note angular position of ends of condenser to evaporator tube so that it can be reassembled in correct position.
  1. Cut a 63.5 mm (2.5 inch) section from condenser to evaporator tube at A/C evaporator core orifice location. Do not cut closer than 25.4 mm (1 inch) from start of a bend in tube.


    A/C Evaporator Core Orifice Section Removed From the Liquid Line
    ea95a2d.gif
  1. Remove contaminants from the two pieces of the condenser to evaporator tube.
  1. NOTE: The inlet half of the condenser to evaporator tube will be positioned against the A/C evaporator core orifice tabs when correctly assembled.

    Lubricate fitting with clean refrigerant oil and assemble orifice tube kit (with A/C evaporator core orifice installed) to condenser to evaporator tube. Make sure flow direction arrow is pointing toward evaporator end of the condenser to evaporator tube, and taper of each compressor ring is toward compression nut.


    A/C Evaporator Core Orifice Kit Disassembled Components
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Jun 05, 2009 | 1996 Mercury Sable

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