Step 1. Disconnect negative battery terminal
Step 2. Recover refrigerant
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- Sat Nov 07, 2020 5:38 am
- Forum: Automotive Air Conditioning Forum
- Topic: Expansion valve
- Replies: 9
- Views: 9516
- Tue Oct 13, 2020 3:14 am
- Forum: Automotive Air Conditioning Forum
- Topic: gauge readings
- Replies: 18
- Views: 15060
Re: gauge readings
penguins25 wrote:my ac in my 08 mgm doesnt work on normal ac
Penguins, you assumed we would know what "mgm" means????bohica2xo wrote:What exactly is an "mgm"?
- Sun Oct 11, 2020 6:27 am
- Forum: Automotive Air Conditioning Forum
- Topic: Redoing my suburban AC couple questions
- Replies: 2
- Views: 2594
Re: Redoing my suburban AC couple questions
When using the temp control dial and go from hot then back to cold sometimes it would stay hot. (Most likely blend actuator underneath) We HAD a 1994 Suburban and HAVE a 2005 Yukon XL (both factory R134a); both had malfunctioning actuator causing temperature to go from real-cold to hot, and that's ...
- Thu Oct 08, 2020 7:03 am
- Forum: Automotive Air Conditioning Forum
- Topic: AC restoration questions, '93 Mazda RX7
- Replies: 32
- Views: 31080
Re: AC restoration questions, '93 Mazda RX7
I believe most Mazdas of that era used Sanden compressors with a high pressure relief valve on their rear side.
- Sun Oct 04, 2020 8:39 am
- Forum: Automotive Air Conditioning Forum
- Topic: Toyota HiAce AC not coming on
- Replies: 3
- Views: 3602
Re: Toyota HiAce AC not coming on
Did you add pure R134a or the junk mix of R134a containing sealer?Ryan92 wrote:I recently replaced my vans AC compressor then just charged the system with about 1.5 of those recharge cans.
What is your static pressure read? If you don't know what that means, stay as far away from auto AC as you can.
- Fri Oct 02, 2020 6:08 am
- Forum: Automotive Air Conditioning Forum
- Topic: 1961 cadillac conversion
- Replies: 60
- Views: 58265
- Thu Oct 01, 2020 7:28 pm
- Forum: Automotive Air Conditioning Forum
- Topic: Compressor Short Cycles with Correct Charge
- Replies: 9
- Views: 9364
Re: Compressor Short Cycles with Correct Charge
The only person I know who has a set of gauges is about an hour away. Time to obtain your own set !!! In my area, I know Autozone has free loaner AC gauge sets, had to borrow a set a few years ago because my own gauge set was 100 miles away. Even a DIY needs a correct set of gauges for a/c. https:/...
- Thu Oct 01, 2020 6:10 pm
- Forum: Automotive Air Conditioning Forum
- Topic: Whistling or hissing type noise in AC vent when compressor clutch activates
- Replies: 2
- Views: 3126
Re: Whistling or hissing type noise in AC vent when compressor clutch activates
I attempted to recharge the system. But the gauge shows 0 PSI when the car is turned on, with the AC on full blast. When the car ignition is off, the pressure gauge shows at about 40 PSI, in the green. I decided to make a dumb move, to want to fill to 50 PSI to the max where it shows in the green. ...
- Fri Sep 18, 2020 6:10 am
- Forum: Automotive Air Conditioning Forum
- Topic: Seeking help with my Lexus/Toyota A/c
- Replies: 11
- Views: 9787
Re: Seeking help with my Lexus/Toyota A/c
I seem to remember by design - for safety issues - that some outside air always had to be let into the cabin area...
- Fri Sep 18, 2020 6:06 am
- Forum: Automotive Air Conditioning Forum
- Topic: Evaporator Switch-Themoswitch Question
- Replies: 19
- Views: 15999
Re: Evaporator Switch-Themoswitch Question
When its bypassed, it gets the vents down to 35F, of course because its freezing down there. I personally would not monkey again with the expansion valve or the refrigerant charge, as great cooling occurs if the switch is bypassed or is "closed". I'd focus on the thermo switch which needs...