Search found 289 matches

by bohica2xo
Fri Feb 23, 2018 11:58 pm
Forum: Automotive Air Conditioning Forum
Topic: R134a price up over 500%
Replies: 10
Views: 121

Re: R134a price up over 500%

As Hecat just documented above, they want to run 134a out of existence. They can't run it out of existence when it is still so commonplace though. There are plenty of vehicles which are only a few years old using it and what are we supposed to use when the condenser fails and needs replacing? It fe...
by bohica2xo
Fri Feb 23, 2018 8:34 am
Forum: Automotive Air Conditioning Forum
Topic: A/C request signal
Replies: 1
Views: 37

Re: A/C request signal

Much of the PCM / ECM / BCM world operates at 5 volts & milliamps of current. Jumpers & test lights can damage the computer. If you have the Factory Service Manual, the entire troubleshooting flow chart & circuit diagram is present. With that in hand, you can fix it. For $19.95 you can b...
by bohica2xo
Thu Feb 22, 2018 8:44 am
Forum: Automotive Air Conditioning Forum
Topic: 73 stingray with high AC pressure
Replies: 6
Views: 65

Re: 73 stingray with high AC pressure

Converting a Corvette to 134a is a fools errand.

R12 is still available. Some cars just need to stay that way, and the Corvette is the best example.
by bohica2xo
Thu Feb 22, 2018 8:20 am
Forum: Automotive Air Conditioning Forum
Topic: R134a price up over 500%
Replies: 10
Views: 121

Re: R134a price up over 500%

This is getting ridiculous, the price increases are punitive. Well of course they are, that is the whole point. As Hecat just documented above, they want to run 134a out of existence. There is no shortage of 134a - simply a shortage of the cheap HF feedstock. Prices have gone up a little due to tha...
by bohica2xo
Mon Feb 19, 2018 2:42 pm
Forum: Automotive Air Conditioning Forum
Topic: R134a price up over 500%
Replies: 10
Views: 121

Re: R134a price up over 500%

Yeah, Tim the "Hank Hill" refrigerant specialists will be out for a quick buck - but they do that every summer...

Of course the 1234YF is mostly Hank Hill product anyway.
by bohica2xo
Sun Feb 18, 2018 8:53 pm
Forum: Automotive Air Conditioning Forum
Topic: R134a price up over 500%
Replies: 10
Views: 121

Re: R134a price up over 500%

Looks like the usual Euro-Gouge on auto parts - part regulation, part taxation... The eco-mafia at work. Around here I can buy 30lb cylinders for under 200 USD - sometimes as low as 125 USD. What is driving the price increases in refrigerants goes all the way back to the mineral Fluorspar. Considere...
by bohica2xo
Sat Feb 17, 2018 8:06 am
Forum: Automotive Air Conditioning Forum
Topic: ac problems
Replies: 6
Views: 151

Re: ac problems

Ok, the fan clutch is shot. With a 79f ambient you need the fan. Replace it. The third reason for short cycling would be cycling on the HPCO - because of high pressures caused by poor condenser performance. Try spraying some water on the condenser while the system is running, and see if the cycling ...
by bohica2xo
Fri Feb 16, 2018 9:11 am
Forum: Automotive Air Conditioning Forum
Topic: ac problems
Replies: 6
Views: 151

Re: ac problems

It sounds lie your compressor clutch is short cycling. There are a couple of reasons for that to happen, either low ambient temperature or low charge level. Some more information would help. What sort of temperatures are you seeing where you are located? What model year is the vehicle? You say the c...
by bohica2xo
Mon Feb 05, 2018 7:35 pm
Forum: Automotive Air Conditioning Forum
Topic: Toyota Sienna rear air weak
Replies: 2
Views: 86

Re: Toyota Sienna rear air weak

The good news is the rear evaporator assembly is not too had to get at... They hold a lot of water when the drain plugs up. Check out how much water this guy drains out of one: https://www.youtube.com/watch?time_continue=174&v=eOm4svPZKgM Now try to imagine what that water will do to actuators, ...
by bohica2xo
Mon Jan 08, 2018 6:02 pm
Forum: Automotive Air Conditioning Forum
Topic: Thanks for the add and RV2 questions
Replies: 18
Views: 1790

Re: Thanks for the add and RV2 questions

Clutch should draw 6 to 7 amps. A relay could be used, most new cars have clutch relays because the computer is involved in the operation. The headlight relay mod on early Mopars is a big help. Really any relay that sheds load from that 50 year old harness helps. I did headlamp relays along with a c...

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