Search found 1250 matches
- Sat Apr 20, 2024 7:03 am
- Forum: Automotive Air Conditioning Forum
- Topic: Expansion valve for 1970 Clardy under dash
- Replies: 7
- Views: 260
Re: Expansion valve for 1970 Clardy under dash
I have the original installation instructions, charging instructions, and parts diagram. That's "gold." Be sure to hang onto it. I would like to replace the original expansion valve with a new one, but I’m not sure which one to get. Unless the original TXV is corroded or otherwise damaged...
- Thu Apr 11, 2024 5:08 pm
- Forum: Automotive Air Conditioning Forum
- Topic: 2007 Mazda Miata A/C Issue
- Replies: 6
- Views: 744
Re: 2007 Mazda Miata A/C Issue
I forgot to mention the specs that I have for your car: 16 ounces net weight of R-134a, and 4.4 fluid ounces of PAG-46 oil. However, if your car still has its under-hood A/C decal, go by those specs instead because the decal takes precedence.
- Thu Apr 11, 2024 11:35 am
- Forum: Automotive Air Conditioning Forum
- Topic: 2007 Mazda Miata A/C Issue
- Replies: 6
- Views: 744
Re: 2007 Mazda Miata A/C Issue
A reading on the low side of 21 PSI at 1,500 RPM translates to an evaporator temperature (coincidently) of about 21°F, which will cause the evaporator to freeze-up and block airflow through the vents under certain conditions. It's also an indication that the system is undercharged. The Schrader valv...
- Thu Apr 11, 2024 10:11 am
- Forum: Automotive Air Conditioning Forum
- Topic: 2007 Mazda Miata A/C Issue
- Replies: 6
- Views: 744
Re: 2007 Mazda Miata A/C Issue
I agree with the preceding comments. It appears to be low on refrigerant. Have the refrigerant recovered, then the system evacuated and recharged to specs, adding back the proper amount and type of oil if any was recovered along with the refrigerant. The ambient temperature is a bit low for MVAC wor...
- Mon Apr 08, 2024 1:39 pm
- Forum: Automotive Air Conditioning Forum
- Topic: 03 Jeep Wrangler 500PSI+ high side pressure
- Replies: 3
- Views: 353
Re: 03 Jeep Wrangler 500PSI+ high side pressure
The system is bumping into the High Pressure Cut-Off (HPCO). A few issues can cause that. Foremost is a blocked Orifice Tube (OT) that can prevent circulation of the refrigerant and oil and cause extremely high pressure to build up on the high side, which you noticed. The OT itself is inexpensive. H...
- Mon Apr 08, 2024 11:49 am
- Forum: Automotive Air Conditioning Forum
- Topic: 03 Jeep Wrangler 500PSI+ high side pressure
- Replies: 3
- Views: 353
Re: 03 Jeep Wrangler 500PSI+ high side pressure
Has the compressor been replaced recently, and was it a brand-new unit? If so, what else was done at the same time, if anything?
- Sun Apr 07, 2024 5:34 am
- Forum: Automotive Air Conditioning Forum
- Topic: 2001 Lexus GS300 Not blowing cold
- Replies: 9
- Views: 554
Re: 2001 Lexus GS300 Not blowing cold
I believe your car has a variable-displacement compressor. If so, you could try replacing only the compressor's control valve first. But with that amount of mileage on the car, I too would go ahead and replace the entire compressor/clutch assembly. I strongly recommend replacing both the condenser a...
- Sat Apr 06, 2024 3:51 pm
- Forum: Automotive Air Conditioning Forum
- Topic: 2001 Lexus GS300 Not blowing cold
- Replies: 9
- Views: 554
Re: 2001 Lexus GS300 Not blowing cold
After one hour, the HP and LP sides should equalize. If they don't, the cause is usually a defective metering device—in this instance, the TXV—and/or a blockage someplace. Presuming a full charge of refrigerant, if you're seeing only 100 PSI on the high side at an ambient temperature of 76°F, it doe...
- Mon Apr 01, 2024 1:44 pm
- Forum: Automotive Air Conditioning Forum
- Topic: Kubota farm tractor both low side and high side High
- Replies: 28
- Views: 23076
Re: Kubota farm tractor both low side and high side High
Bill, if your password was a simple one, whomever did the hacking probably just got lucky, guessed it correctly, and logged right in. It's a good thing that you changed it right away because I'm sure your original PW has already made it onto the Dark Web and is now for sale, even though it's no good...
- Mon Apr 01, 2024 12:38 pm
- Forum: Automotive Air Conditioning Forum
- Topic: Loud compressor drive plate noise when first engages
- Replies: 6
- Views: 514
Re: Loud compressor drive plate noise when first engages
A few additional thoughts... You should hear a click when the clutch engages and then a running-compressor noise, which should be fairly low in volume and constant whenever the clutch is driving the compressor. If it's much louder than that—like the sound a steel-wheel roller skate would make whose ...