Engine Size: 350
Refrigerant Type: 134a
Ambient Temp: 90
Pressure Low: 50
Pressure High: 200
Country of Origin: United States
are these readings right im only getting 64degrees at the front vents and about 75 at the rear vents
just a quick thought until the experts get by (excerpted from a post by Adam@AMA earlier today):
"That is why when a system goes low, you will usually notice the rear air blowing warm before the front."
Good Luck 2 ya,
1) Does compressor turn easily-- like with just one finger? 2) Can you detect little"catches" as you rotate it? 3) Does it ever cycle off when blower is on low fan speed? 4) does suction pressure ever come down close to 25 psi when blower is on lowest setting/inside air?
If 1,2 are yes and 3 and 4 are no- then you probably have a suction reed failure n your compressor-- otherwise known as "imploded" look for stainless stell shrapnel in your orifice tube...and the need for a new compressor....
The number one A/C diagnostic tool there is- is to know how much refrigerant is in the system- this can only be done by recovering and weighing the refrigerant!!
Just a thought.... 65% of A/C failures in my 3200 car diagnostic database (GM vehicles) are due to loss of refrigerant due to a leak......
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