Search found 3 matches

by needhelp
Sun Apr 20, 2025 8:40 am
Forum: Automotive Air Conditioning Forum
Topic: Vacuumed and Charged 2 Vehicles & Have The Same Problem.
Replies: 6
Views: 1948

Re: Vacuumed and Charged 2 Vehicles & Have The Same Problem.

Ok, well in my old age I guess I am loosing patience...

Once the systems warmed up and the cabin got ice cold. The compressors both cycled about 3-4 times a minute at 75- 80f

Pressures were on point to. The miata specs are lower than my jeeps for the high/low side pressure. I am sure that is due ...
by needhelp
Sun Apr 20, 2025 5:57 am
Forum: Automotive Air Conditioning Forum
Topic: Vacuumed and Charged 2 Vehicles & Have The Same Problem.
Replies: 6
Views: 1948

Re: Vacuumed and Charged 2 Vehicles & Have The Same Problem.


I can't help but wonder about your charging procedure and whether you've done it correctly. The reason I say that is because at one point you mention weight, and at another you mention pressure.

Regardless, the charge amount must be weighed-in exactly to the manufacturer's specifications ...
by needhelp
Sat Apr 19, 2025 5:18 pm
Forum: Automotive Air Conditioning Forum
Topic: Vacuumed and Charged 2 Vehicles & Have The Same Problem.
Replies: 6
Views: 1948

Vacuumed and Charged 2 Vehicles & Have The Same Problem.

Hi,
I am working on my wife's 2007 Mazda Miata: New condenser, High and Low port valves, 16oz R134a added and 1.5 oz pag oil
Also my 2005 Jeep Grand Cherokee: New Refrigerant line, new expansion valve, High and Low port valves, 24oz R134a added

Ok so I borrowed Gauge Manifold set and Vacuum pump ...