Peterbilt radio diagram. White is ground. Dark red wire is power. Light black wire is ignition. Theres a orange not sure just cut it. And 4 sets of yellow and black wires those are. Your speakers not labeled so you have …Items 1 - 40 of 62 ... Was: Webasto Air Top 2000 STC Air Heater Kit with SmarTemp 3.0 Bluetooth *Some drilling required for installation ... Tube · Add to Cart.Anthony's Largecar Pete 379 pulling a polished dump trailer after dumping in Richmond Ready Mix1999 Peterbilt 379 having a/c issue. New compressor, accumulator, orifice tube and flush. Pressures running good, low side 25-35 and high side 150-300 with fan cycling like it should. Evaporator doesn … read moreHeavy Duty HD truck International Freightliner Volvo Tractors Kenworth KODIAK Caterpillar PETERBILT MACK Sterling Navistar Sort By: Featured Items Newest Items Best Selling A to Z Z to A By Review Price: Ascending Price: DescendingI would do that first then evac system ,change schrader valve,remove and check new orifice tube for any contamination or excessive oil trapped in screen,,that may be partially blocking flow. ... I am trying to install an air brake light switch on my 2001 Peterbilt Model 357. ... I have a 2002 Peterbilt 379 ext hood with a 500 ISX. The engine ...9 Answers SOURCE: Location of the oricie tube I followed the liquid line from the evaporator , back towards the condenser & quickly lost it it behind the power brake vacuum booster . The line was cold , with the A/C running . I followed the liquid line forward , from the high pressure service port , towards the evaporator .Call To Order: 1-800-541-9352. Mon-Fri 8am-10pm EST | Sat-Sun 8am-8pm EST. Buy 1997-2002 Peterbilt 379 A/C Orifice Tube UAC for a low price of $1.97 at PartsGeek. FLAT RATE SHIPPING on most UAC EX 3000C orders.Buy a 1997 Peterbilt 379 A/C Orifice Tube at discount prices. Choose top quality brands AC Delco, Four Seasons, UAC.If you are working on an AC project for your truck, 4 State Trucks has the parts you need including this expansion device for the evaporator. This orange AC orifice tube controls …Peterbilt 379 Air Conditioner Hoses - New | P/N 7T08063. NEW - D9027-3456 - Liquid Line - Peterbilt. Item:APAIR 7-T08063. $117.69. Add To Cart. 1. Search our large inventory of New/Used Peterbilt 379 Air Conditioner Hoses for sale. Enjoy our hassle-free online checkout or call to speak to an expert. trace the steel tube from the condenser on passenger side you will see a tube with a nut on it and a sw-egged about 3 inch's long loosen the nut pull the tube apart and use a pair of …How to find AC leaks on a Semi truck, How to remove and replace the o rings in a leaking expansion valve and a close up look at the Snap On PolarTek A.C. Mac...Peterbilt - Peterbilt Categories - PB Engine Parts - Page 1 - 4 State Trucks. Kenworth. Volvo. 4 State Trucks carries a huge selection of Replacement Engine Parts, Performance Parts, Flywheel Housings, Exhaust Manifolds, Oil Pans, EGR Cooler Parts, Coolant Reservoirs and more for your Peterbilt truck.301 Moved Permanently. nginx/1.22.0Make Peterbilt, Peterbilt Commercial Truck Sleepers, A/C Compressors & Clutches for BMW 2002, A/C Hoses & Fittings for BMW 2002, Aircraft Tires & Tubes, Peterbilt Commercial Truck Air Cleaners, Car & Truck Parts & Accessories for Peterbilt, Peterbilt Car & Truck Door Panels, Class C RVs & Campers, Chevrolet C-10 CarsJul 7, 2016 · the orifice tube is located in the line between condenser and evaporator. near the spring lock coupling. you must unbolt the cruise servo and overflow bottle, re-position them out of way and you will see the line connection..the orifice is inside line near that union. the ac system must be evacuated prior to removal, and recharged afterwards.. Buy a 2004 Peterbilt 379 A/C Orifice Tube at discount prices. Choose top quality brands AC Delco, Four Seasons. ... Application specific direct fit replacement for ease of installation; ... Orifice tubes are built application specific per OEM size and color. Since they act as a refrigerant filter they can become clogged with debris requiring ...The 2 on the passenger side are easy. The one closest to the door is the fresh air and the one left of it is the blend door. The mode actuator controls the vent, defrost and floor vents and is in front of your right knee on the end of the air trunk.Making some new cab and sleeper panels for the 379 peterbilt just for the mean time until we buy the actual aftermarket panels.Please like, comment and subsc.... The ac system must be evacuated prior to removal. The orifice tube is located in the line between condenser and evaporator, near the spring lock coupling. You must unbolt the Cruise Servo and Overflow Bottle, then re-position them out of way and you will see the line connection. The orifice is inside that line, near that union.Before you replace an orifice tube, LLOT or SLOT, make sure you understand how an orifice tube system works and ensure you’ve done the right testing to conclude the problem is actually caused by the orifice tube. Replacing the orifice tube requires you to completely evacuate the AC system and disconnect the high pressure …Pre-emission flat top. View online at http://www.e-freightliner.com/gt/23445/2007-peterbilt-379-379 for more specs or visit our Truck Center Companies locat...Study now. See answer (1) Best Answer. Copy. The orifice tube is located on the inlet port or the primary evaporator on the passenger side of the firewall. It is nearly hidden behind/between the ...Related Medium and Heavy Trucks Questions. 2005 Peterbilt 379 c15 acert. AC system question. Low side. 2005 Peterbilt 379 c15 acert. AC system question. Low side pressures are correct between 30 and 40. High side is not going over 100. … read more.Equip cars, trucks & SUVs with 2007 Peterbilt 379 A/C Orifice Tube from AutoZone. Get Yours Today! We have the best products at the right price. 20% off orders over $120* + Free Ground Shipping** Eligible Ship-To-Home Items Only. Use Code: MARCH2023. Menu. 20% off orders over $120* + Free Ground Shipping** ...Here's a quick video to describe the proper way to install a fixed orifice tube in a mobile air conditioning system. Here we are working on a 1998 Chevrolet...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. Remove contaminants from the two pieces of the condenser to evaporator tube.Video Transcript: Now, we're ready to install the new orifice tube. All you want to do is, with your refrigerant oil, keep the O-rings on the orifice tube wire; this helps installation. An orifice tube is directional. There will be an arrow located on it and that is the flow of the refrigerant, in this case going down.5X013432. 5S013432. 2001017. PETERBILT – EXPANSION VALVES & ORIFICE TUBES Choose your Vehicle All Models – COE, Chassis and Conventional Click the Year or Part # to see details. YEAR MODEL APPLICATION O.E.M. # PART NO. All Models – COE, Chassis and Conventional All w/OE# 1000352807 2001066 All Bergstrom Sleeper w/OE# 1000355817 2001064 ... Sep 23, 2013 · Pre-emission flat top. View online at http://www.e-freightliner.com/gt/23445/2007-peterbilt-379-379 for more specs or visit our Truck Center Companies locat... Here's a quick video to describe the proper way to install a fixed orifice tube in a mobile air conditioning system. Here we are working on a 1998 Chevrolet... A 1998 peterbilt 378 tractor..vin..compressor..air conditioning. have a 1998 peterbilt 378 tractor the tractor has a cat engine and i do have the last six digit vin …PETERBILT 379 Air Conditioning Orifice Tubes. Filter by Availability Filter Results PETERBILT 379 Individual Parts. Part Groups. Results 1 - 7 of 7 ... Air Conditioning Orifice Tubes, OE Replacement, Audi, Buick, Cadillac, Chevrolet, Dodge, Ford, Oldsmobile, Pontiac, Each. Part Number: ADO-15-50122.SOURCE: orifice tube location on a 1995 gmc jimmy. it is located in the high pressure AC line at the AC evaporator core inlet. The high pressure line is the smaller of …Blank Orifice - Weber Genesis, Spirit (some Models) with Front Control Knobs. $6. Blaze Main Burner Liquid Propane Orifice - BLZ-32-057. $2.09. Sunstone, OCS Gas grill main valve orifice. $4.25. Summerset Sizzler Main Burner Orifice - MVO-SIZ. $7.99. Blaze Professional Main Burner Propane Orifice - BLZ-3PRO18-062.Orange Orifice Tube 1 pkg. Features & Benefits. Direct fit replacement for ease of installation, compatible with R12 and R134 ... Peterbilt 379 (1997-2005) Peterbilt ...Board of Zoning & Building Appeals. The Board of Zoning & Building Appeals is charged with the following duties: (1) To hear and decide appeals made for exceptions to and variations in the application of ordinances governing zoning in the City of Fairview Park, and in the application of ordinances, or orders or regulations of administrative ...Recover the refrigerant. Remove the engine air cleaner.Remove the vacuum brake booster. Remove the condenser tube. Remove the expansion (orifice) tube: Use needle-nose pliers in order to grip the orifice tube. Use a turning motion along with a push-pull motion in order to loosen the impacted orifice tube. Remove the orifice tube.To locate the AC orifice tube in a Peterbilt 379, follow these step-by-step instructions: Locate the AC lines: Start by identifying the AC lines in your Peterbilt 379. These lines …This orange AC orifice tube controls the flow of refrigerant in an A/C system and is a crucial replacement part for every air conditioning job. This tube is engineered to meet OEM specifications and is a genuine aftermarket replacement part to fit the OEM original equipment part backed by a 1-year warranty. * Replaces OE Numbers 38007BSM ...Pre-emission flat top. View online at http://www.e-freightliner.com/gt/23445/2007-peterbilt-379-379 for more specs or visit our Truck Center Companies locat...the orifice tube is located in the line between condenser and evaporator. near the spring lock coupling. you must unbolt the cruise servo and overflow bottle, re-position them out of way and you will see the line connection..the orifice is inside line near that union. the ac system must be evacuated prior to removal, and recharged afterwards..1. AC system performing worse than usual and blowing warm air. One of the first symptoms of a problem with the AC expansion valve or orifice tube is an underperforming AC system. The AC expansion valve and orifice tube work together to regulate the flow of the AC system. If either component fails or has an issue, it can disturb the performance ...Make Peterbilt, Peterbilt Commercial Truck Sleepers, A/C Compressors & Clutches for BMW 2002, A/C Hoses & Fittings for BMW 2002, Aircraft Tires & Tubes, Peterbilt Commercial Truck Air Cleaners, Car & Truck Parts & Accessories for Peterbilt, Peterbilt Car & Truck Door Panels, Class C RVs & Campers, Chevrolet C-10 Cars2006 peterbilt 378 orifice tube stuck when I was trying to remove it and it broke off .. I know there's a special tools out there for this kind of situatio...According to AAA’s weekly gas price report, the average price for a gallon of regular, unleaded, self-serve gas in Butler, as of Monday, remains at $3.96 per gallon. The average gas price across western Pennsylvania as a whole jumped by a nickel over the same period of time to reach $3.94. The most affordable average price for gas in the area ...301 Moved Permanently. nginx/1.22.0No ground on terminal wire 570 to energize relayPosted this over in medium duty section-Bought a new ac compressor, dryer combo.Came with a orifice tube filter.Where in the world does this go ? Searched for an hour and cant find any reference to location.2005 c4500 8.1. ThanksHere's a quick video to describe the proper way to install a fixed orifice tube in a mobile air conditioning system. Here we are working on a 1998 Chevrolet...Peterbilt 379 Air Conditioner Hoses - New | P/N 7T08063. NEW - D9027-3456 - Liquid Line - Peterbilt. Item:APAIR 7-T08063. $117.69. Add To Cart. 1. Search our large inventory of New/Used Peterbilt 379 Air Conditioner Hoses for sale. Enjoy our hassle-free online checkout or call to speak to an expert. Arrives by Thu, Oct 26 Buy A/C Orifice Tube - Compatible with 1994 - 2007 Peterbilt 379 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 at ...Peterbilt 379 AC Orifice Tube. Buy Online. Pick Up In-Store. Price. Rating. What are you working on today? Get an exact fit for your Peterbilt 379. Add a Vehicle. 1-4 of 4 Results. Sort by . List. Grid. 1-4 of 4 Results. Filter . Sort by . Price. Sponsored. Four Seasons A/C Orifice Tube 38904 ...The stock GM orifice tube will cool better at low engine speeds. Do a search on the ac kits forum. The ford orifice will do better at highway speeds, but that is not where extra cooling is needed.A 1998 peterbilt 378 tractor..vin..compressor..air conditioning. have a 1998 peterbilt 378 tractor the tractor has a cat engine and i do have the last six digit vin …1. AC system performing worse than usual and blowing warm air. One of the first symptoms of a problem with the AC expansion valve or orifice tube is an underperforming AC system. The AC expansion valve and orifice tube work together to regulate the flow of the AC system. If either component fails or has an issue, it can …Replacing Drums/Brakes/wheel seal and hubsArrives by Thu, Aug 3 Buy A/C Orifice Tube - Compatible with 1997 - 2002 Peterbilt 379 1998 1999 2000 2001 at Walmart.comDec 15, 2022 · Where is the orifice tube located on a 200 model 379 peterbilt? The orifice tube is located on the inlet port or the primary evaporator on the passenger side of the firewall. It is nearly hidden ... What size is the orifice for a 2005 Peterbilt 379 The best solution you'll get from books at www.reliable-store.com These are books containing info on repair, service, troubleshooting, p arts info, assembling dissemble, removal, error/fault codes, wiring diagrams and everything on any vehicles cars, atv, trucks. forklifts, boats, excavators etc1. AC system performing worse than usual and blowing warm air. One of the first symptoms of a problem with the AC expansion valve or orifice tube is an underperforming AC system. The AC expansion valve and orifice tube work together to regulate the flow of the AC system. If either component fails or has an issue, it can …Orifice Tube Fits Sterling & Peterbilt Orange. If you are working on an AC project for your truck, 4 State Trucks has the parts you need including this ...Video Transcript: Now, we're ready to install the new orifice tube. All you want to do is, with your refrigerant oil, keep the O-rings on the orifice tube wire; this helps installation. An orifice tube is directional. There will be an arrow located on it and that is the flow of the refrigerant, in this case going down.This would lead to low oil pressure at idle. In turn, the bearings would wear down prematurely due to oil starvation and poor overall oil flow. This bearing issue specifically mostly affected pre-1997 engines. As such, Detroit 60 Series bearing problems are most common on the 11.1L and 12.7L variants of the engine.Both trucks compressors cycle off at 20psi on the low side and turn back on pretty quick after, the compressor will do this 3 times and then turn on and stay on till the high side builds to 250psi and turns on the engine fan to lower system psi. 1st truck is 07 367, has a new condenser, orfice tube and accumulator, 2nd truck is 07 378, has a new...Remove the orifice tube using needle nose pliers or removal tool. Note the orientation of the orifice tube. It must go back in the same way. Lubricate the O-rings on the new orifice tube with AC oil. Insert the new orifice tube into the evaporator or LLOT or SLOT. Lubrication new O-rings and gaskets with AC oil and install on lineOrder Peterbilt 379 A/C Orifice Tube online today. Free Same Day Store Pickup. Check out free battery charging and engine diagnostic testing while you are in store.Jun 16, 2015 · What size is the orifice for a 2005 Peterbilt 379 The best solution you'll get from books at www.reliable-store.com These are books containing info on repair, service, troubleshooting, p arts info, assembling dissemble, removal, error/fault codes, wiring diagrams and everything on any vehicles cars, atv, trucks. forklifts, boats, excavators etc Estimated Ship Date: Dec 18, 2023 (if ordered today) $20.00 Summit Bucks. Special Order. $22.99. Add To Cart. Compare. Wish List. 1. Find 2004 PETERBILT 379 Air Conditioning Orifice Tubes and get Free Shipping on Orders Over $109 at Summit Racing!Mar 29, 2014 · 40K views 9 years ago 032914 - 00227 proper Orifice Tube Installation - Here's a quick video of how to properly install an orifice tube in an automotive air conditioning system. There is a... Jul 9, 2019 · 2007 international 4300 dt466. Freon has been charged to…. 2007 international 4300 dt466. Freon has been charged to correct capacity 2.1lbs. Compressor, accumulator, orifice tube all replaced. Low pressure and high pressure piping flushed and checked for restrictions. Evaporator and condenser flushed. Low side reads 10psi and high 180psi. The Only 1993 379 Peterbilt With This Interior In America, I'm 21 With 2 Trucks Working HardFollow Dill On Tiktok https://vm.tiktok.com/ZMdcuGTN7/https://ins...May 31, 2018 · Remove the orifice tube using needle nose pliers or removal tool. Note the orientation of the orifice tube. It must go back in the same way. Lubricate the O-rings on the new orifice tube with AC oil. Insert the new orifice tube into the evaporator or LLOT or SLOT. Lubrication new O-rings and gaskets with AC oil and install on line SOURCE: orifice tube location on a 1995 gmc jimmy. it is located in the high pressure AC line at the AC evaporator core inlet. The high pressure line is the smaller of …Find many great new & used options and get the best deals for UAC 41BP57G A/C Orifice Tube Fits 1997-2002 Peterbilt 379 Orange Orifice Tube at the best online prices at eBay! Free shipping for many products!May 31, 2018 · Remove the orifice tube using needle nose pliers or removal tool. Note the orientation of the orifice tube. It must go back in the same way. Lubricate the O-rings on the new orifice tube with AC oil. Insert the new orifice tube into the evaporator or LLOT or SLOT. Lubrication new O-rings and gaskets with AC oil and install on line Buy a 1997 Peterbilt 379 A/C Orifice Tube at discount prices. Choose top quality brands AC Delco, Four Seasons, UAC.About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright ...the orifice tube is in the heater/A/c box. of the cab . ... 1999 Peterbilt 379 having a/c issue. New compressor, accumulator, orifice tube and flush. Pressures running good, low side 25-35 and high side 150-300 with fan cycling like it should. ...301 Moved Permanently. nginx/1.22.01. AC system performing worse than usual and blowing warm air. One of the first symptoms of a problem with the AC expansion valve or orifice tube is an underperforming AC system. The AC expansion valve and orifice tube work together to regulate the flow of the AC system. If either component fails or has an issue, it can …Unhook the tubing going to the heater coil and evaporator. Remove the black enclosure and take the blower fan out. Then remove all of the screws that hold the enclosure together. Inside of the enclosure at the top of the evaporator there is the location of the expansion valve.Search our large inventory of New/Used Peterbilt 379 Air Conditioner Hoses for sale. ... Steel Liquid Line with Switch & Orifice Tube - Peterbilt with Sleeper. Item:APAIR 7-T08230K $171.06. ... It has a mechanical & body shop of over 21,000 square feet, complete equipment and parts installation facilities, ...Recover the refrigerant. Remove the engine air cleaner.Remove the vacuum brake booster. Remove the condenser tube. Remove the expansion (orifice) tube: Use needle-nose pliers in order to grip the orifice tube. Use a turning motion along with a push-pull motion in order to loosen the impacted orifice tube. Remove the orifice tube.85242 Answers. SOURCE: where is orface tube on 88 f150. It is at the inlet to the AC evaporator core on the passenger side of the firewall under the hood. This would be the small AC line to the evaporator core that must come off, you will need a spring retainer tool to remove the line and most likely a fixed orifice tool to extract the old one ...Orifice Tube installation. Thread starter 8pack; Start date Jul 19, 2018; Jul 19, 2018 #1 8pack Veteran Member. Lifetime Gold Member. Aug 29, 2007 3,097 Western, MA.Nov 5, 2013 · The orifice tube is in a line by the dryer. Look for small divots/crimps by a fitting. They crimp the pipe to act as a stopper for the tube. Then disconnect that fitting and the orifice tube slides out. They can be tough to get out sometimes, just take it easy so you don't break it. There's only about 4x $3 orifice tubes in common use in CCOT systems. . Post the make, Model and year and the refrigerant you are using, or want to use. Most Fords use the black or black\white tube OEM (they're the same). For R134a conversion, blue or red is often recommended. Last edited by lsrx101; 08-12-2007 at 03:45 AM.
Chapter 1 – Air Conditioning / Heating Function 1-2 Go to Chapter Start - Table of Contents - Index The ideal cab environment has a modest humidity level. The temperature should reach and then remain in the ideal range, 70 to 80 degrees.. Jarren duran savant
Order Peterbilt 357 A/C Orifice Tube online today. Free Same Day Store Pickup. Check out free battery charging and engine diagnostic testing while you are in store. 20% off orders over $120* + Free Ground Shipping** Eligible Ship-To-Home Items Only. Use Code: APRIL2023. Menu. 20% off orders over $120* + Free Ground Shipping** ...Buy FOUR SEASONS 38639 Orange Orifice Tube 1 pkg on FinditParts.com FREE DELIVERY on eligible purchases over $50 ... Direct fit replacement for ease of installation, compatible with R12 and R134; ... Peterbilt 379 (1997-2005) Peterbilt 378 (1997-2005) Peterbilt 357 (1997-2005) Peterbilt 387 (2000-2005)Where is the orifice tube located on a 200 model 379 peterbilt? ... The turn signal flasher relay switch, on a Peterbilt 379, is located under the dashboard. The relay simply plugs in.Connect the Heater-A/C system vacuum supply line connector to the tee fitting near the heater core tubes. Unplug or remove the tape from the heater core tubes. Connect the heater hoses to the heater core tubes and fill the engine cooling system. If the vehicle is not equipped with air conditioning, go to Step 10.Estimated Ship Date: Dec 18, 2023 (if ordered today) $20.00 Summit Bucks. Special Order. $22.99. Add To Cart. Compare. Wish List. 1. Find 2004 PETERBILT 379 Air Conditioning Orifice Tubes and get Free Shipping on Orders Over $109 at Summit Racing!Buy a 1999 Peterbilt 379 A/C Orifice Tube at discount prices. Choose top quality brands AC Delco, Four Seasons, UAC.May 24, 2019 · 1999 Peterbilt 379 having a/c issue. New compressor, accumulator, orifice tube and flush. Pressures running good, low side 25-35 and high side 150-300 with fan cycling like it should. Evaporator doesn … read more The orifice tube is in a line by the dryer. Look for small divots/crimps by a fitting. They crimp the pipe to act as a stopper for the tube. Then disconnect that fitting and the orifice tube slides out. They can be tough to …Jun 28, 2012. #1. I've been trying to figure out the ac on a 2000 peterbilt 379 lately and have hit a wall... I replaced a line, the orifice tube, compressor, accumulator and still can't get it to work. I had an ac guy buddy of mine charge it.SOURCE: orifice tube location on a 1995 gmc jimmy. it is located in the high pressure AC line at the AC evaporator core inlet. The high pressure line is the smaller of …Peterbilt 379 Air Conditioner Hoses - New | P/N 7T08063. NEW - D9027-3456 - Liquid Line - Peterbilt. Item:APAIR 7-T08063. $117.69. Add To Cart. 1. Search our large inventory of New/Used Peterbilt 379 Air Conditioner Hoses for sale. Enjoy our hassle-free online checkout or call to speak to an expert. May 16, 2015 · The 2 on the passenger side are easy. The one closest to the door is the fresh air and the one left of it is the blend door. The mode actuator controls the vent, defrost and floor vents and is in front of your right knee on the end of the air trunk. Aug 14, 2013 · the orfice tube is locate in the line between condenser and evaporator. near the spring lock coupling. you must unbolt the cruise servo and overflow bottle, reposition them out of way and you will see the line connection..the orfice is inside line near that uniion. the ac system must be evacuated prior to removal, and recharged afterwards.. * High Quality Evaporator * 10.95 Inch x 8.82 Inch x 2.875 Inch * Sold Individually * Warranty On Evaporators Against Defects In Workmanship & Material From Date Of Purchase ** Please Verify OE Numbers, Core Dimensions, Hose Fitting Sizes, Styles And Locations Before Purchasing AC Evaporator, There May Be More Than One Option For Your Year, Make And Model ** *** High Quality Aftermarket ...Jan 27, 2012 · The office tube deal was normally with R12 units changed to R134A. 1. make sure the heater is not circulating water. fix the heater control valve or install manual cut offs on engine. 2. Some Pete,s were bad to collect lent over the evaporator core. Take apart the inside and clean them out. Chapter 1 – Air Conditioning / Heating Function 1-2 Go to Chapter Start - Table of Contents - Index The ideal cab environment has a modest humidity level. The temperature ... Before you replace an orifice tube, LLOT or SLOT, make sure you understand how an orifice tube system works and ensure you’ve done the right testing to conclude the problem is actually caused by the orifice tube. Replacing the orifice tube requires you to completely evacuate the AC system and disconnect the high pressure …Fixed Orifice Tube - Must be replaced with compressor · Refrigerant flows through fixed diameter tube. Diameter set by system design · Flow rate determined by ....