- In the picture below you can see that the orifice tube is located between the condenser and evaporator: Some vehicles use an AC accumulator orifice tube while other vehicles include an expansion valve instead of the orifice tube and a receiver-drier instead of the accumulator. Symptoms of a Bad Accumulator and Orifice Tube.
- Automotive Air Conditioning Parts & AC Supplies; AC Orifice Tubes; AC Orifice Tubes. AC6 Blue GM T-Top 0.067 Orifice Tube, EACH. AC8 Orange GM T-Top 0.057 Orifice Tube, EACH. AC11 White GM/ Audi 0.071-0.073 Orifice Tube, EACH $1.16.
![Tube Tube](/uploads/1/1/8/2/118279486/260904238.jpg)
Where is the orifice tube located in a 1992 Buick Roadmaster? Answer: The orifice tube is located inside the metal tube that connects to the evaporator at the firewall. It will be a little thinker than the other tube going to the firewall. It is just inside past where you unscrew the line. Use a pair of needle nose pliers to remove the old one.
![Location Location](/uploads/1/1/8/2/118279486/734108832.gif)
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Clogged orifice tube
Max-Lumina on Sat July 16, 2005 6:52 PM
Year: 1993
Make: Chevy
Model: Lumina
Engine Size: 3.1
Refrigerant Type: R134
Make: Chevy
Model: Lumina
Engine Size: 3.1
Refrigerant Type: R134
93 Chevy Lumina 3.1 , R134 - Original Symptons = Load Clanking Knocking Noise from compressor , no cold air , clutch engages , high pressure readings on the low side ...
In replacing the orifice tube , found the old one very clogged ...
Will replacing the orifice tube correct the compressor problem,
or should I plan on replacing the compressor while I have the system discharged ?
Will also be replacing the accumulator / dryer ?
Many thanks to the contributors of this forum ...
In replacing the orifice tube , found the old one very clogged ...
Will replacing the orifice tube correct the compressor problem,
or should I plan on replacing the compressor while I have the system discharged ?
Will also be replacing the accumulator / dryer ?
Many thanks to the contributors of this forum ...
tony1963 on Sat July 16, 2005 7:27 PM
My suggestion is to flush the whole system, replace the compressor, drier, orifice tube and pressure switch.
I just did a Cadillac for a customer. It needed a retrofit. The orifice tube was really dirty. I recommended a new compressor but they said, 'just make it blow cold air'. Again, I recommended a compressor.
Oh well. We did the service. Made cold air for about two hours. Then, the fuse for the AC blew. It blows almost instantly.
Bad compressor/clutch.
Should have done the whole job right.
-------------------------
Grove Automotive Group, Inc.
An Alabama Corporation
I just did a Cadillac for a customer. It needed a retrofit. The orifice tube was really dirty. I recommended a new compressor but they said, 'just make it blow cold air'. Again, I recommended a compressor.
Oh well. We did the service. Made cold air for about two hours. Then, the fuse for the AC blew. It blows almost instantly.
Bad compressor/clutch.
Should have done the whole job right.
-------------------------
Grove Automotive Group, Inc.
An Alabama Corporation
Chick on Sat July 16, 2005 8:07 PM
QuoteOriginally posted by: Max-Lumina
93 Chevy Lumina 3.1 , R134 - Original Symptons = Load Clanking Knocking Noise from compressor , no cold air , clutch engages , high pressure readings on the low side ...
In replacing the orifice tube , found the old one very clogged ...
Will replacing the orifice tube correct the compressor problem,
or should I plan on replacing the compressor while I have the system discharged ?
Will also be replacing the accumulator / dryer ?
Many thanks to the contributors of this forum ...
Probably not. Your car uses the V5 compressor, and although very sturdy, I would guess it's shot. If it clogged the o tube really bad, figure on changing the condenser also. since you car uses a very narrow pass condenser, and I doubt flushing would remove the junk..Then a 'Quality' reman or new compressor, O tube and acumulator. The right amount of BVA Auto 100 ester (8 ounces) and a good vac/charge. Di it right and you'll do it once..Keep the penguins happy too...
Check out
Ackits.com for quality replacement parts, vehicle specific O ring kits, BVA oil, and Nylog assembly lube (you won't have leaks) Then do the work yourself and either have a shop do the vac/charge or follow these Vac/charge procedures
And you should have great cooling for years to come..Hope this helps
-------------------------
Chick
Email: Chick
---------------------------------------------
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Auto Ac Orifice Tube Location Fuse
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An Orifice Tube Is Located
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