- 1. [oletrucks] a/c cold to warm (score: 1)
- Author: "Wayne Roworth" <wroworth@hotmail.com>
- Date: Mon, 19 May 2003 15:59:08 -0400
- Just finished installing my "Old Air Products" a/c. I had it checked and charged by a so-called "expert". It's weird but it's icy cold at idle and luke warm when traveling down the road. I have only
- /html/oletrucks/2003-05/msg00367.html (7,960 bytes)
- 2. RE: [oletrucks] a/c cold to warm (score: 1)
- Author: "Hanlon, Bill (ISS Houston)" <bill.hanlon@hp.com>
- Date: Mon, 19 May 2003 15:42:11 -0500
- My Old Air isn't warm at speed, but it is not as cold as it is below 1000 RPM. It was cold enough, so I didn't worry about it. Have you asked them? I'll copy Johnny (one of their tech guys) on this e
- /html/oletrucks/2003-05/msg00368.html (8,605 bytes)
- 3. Re: [oletrucks] a/c cold to warm (score: 1)
- Author: ke6bnl@juno.com
- Date: Mon, 19 May 2003 13:55:00 -0700
- The first thing I would be concerned with is if the compressor is staying running, if the suction pressure is dropping at hight rpm it may be cylcing on the low pressure switch. You could run a wire
- /html/oletrucks/2003-05/msg00370.html (9,441 bytes)
- 4. Re: [oletrucks] a/c cold to warm (score: 1)
- Author: ANelson43@aol.com
- Date: Mon, 19 May 2003 18:02:04 EDT
- I had to install a cutoff valve in the heater hose to the core, to insure complete cutoff of hot water going thru the heater core. The A/C would cool and warm some and cool again. Cycled.......this
- /html/oletrucks/2003-05/msg00371.html (7,855 bytes)
- 5. Re: [oletrucks] a/c cold to warm (score: 1)
- Author: Keith Durand <kdurand@MIT.EDU>
- Date: Mon, 19 May 2003 23:46:20 -0400
- The evaporator could be freezing up. This cuts the airflow, and the air then feels a lot warmer. What compressor are you using? Some are fixed displacement, others are variable. The fixed ones need t
- /html/oletrucks/2003-05/msg00379.html (7,794 bytes)
- 6. RE: [oletrucks] a/c cold to warm (score: 1)
- Author: "Hanlon, Bill (ISS Houston)" <bill.hanlon@hp.com>
- Date: Tue, 20 May 2003 07:34:28 -0500
- I tried this on mine and it made no difference. Suggestion: I had to install a cutoff valve in the heater hose to the core, to insure complete cutoff of hot water going thru the heater core. The A/C
- /html/oletrucks/2003-05/msg00388.html (8,431 bytes)
- 7. RE: [oletrucks] a/c cold to warm (score: 1)
- Author: "S Schmidt" <sheldon@ssmachine.com>
- Date: Tue, 20 May 2003 19:53:53 -0700
- It could be that you are "swamping" the evaporator...when enough liquid refrigerant enters the evaporator, that it cools down below the boiling point of the refrigerant, the evaporator "fills up" and
- /html/oletrucks/2003-05/msg00423.html (8,853 bytes)
- 8. RE: [oletrucks] a/c cold to warm (score: 1)
- Author: "Hanlon, Bill (ISS Houston)" <bill.hanlon@hp.com>
- Date: Fri, 23 May 2003 09:55:02 -0500
- I did some experimenting with my Old Air unit. I attached two wires, one to each side of the "safety switch" which combines high and low pressure functions into one switch. 30lb. low pressure cutoff,
- /html/oletrucks/2003-05/msg00445.html (11,041 bytes)
- 9. [oletrucks] a/c cold to warm (score: 1)
- Author: "Devin Timmons" <64bowtie@quik.com>
- Date: Fri, 23 May 2003 20:41:56 -0700
- I'm no expert on this stuff, but as a mechanic on new cars, I do have to check a/c temps when a customer complains that it's not working. If it has a problem, it goes to somebody else to be fixed, so
- /html/oletrucks/2003-05/msg00447.html (7,872 bytes)
- 10. [oletrucks] a/c cold to warm (score: 1)
- Author: "Wayne Roworth" <wroworth@hotmail.com>
- Date: Tue, 27 May 2003 17:21:01 -0400
- Thanks for all who helped. And the winner is............................? Hot water getting in the system. I thought I had closed off the cut off valve but it was corroded and needed to be freed to b
- /html/oletrucks/2003-05/msg00488.html (7,754 bytes)
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