Hey guy's I finally got to get back to the truck and check it out some more. The low side line at fire wall where low side shrader valve is is getting cold. At low idle the compressor is not coming on until you rev engine to about 1500 rpms. Low side will drop to around 40-50 psi the high side...
I replaced the orifice tube and pulled a vacuum and recharged system. What pressures should I be seeing on the gauges? The front still doesn't cool as good as the rear. The low pressure line going into the firewall gets cold but the one going to dryer is not.
My son-in-law has an 01 Tahoe that he's having trouble with the front air. The rear air cools pretty good but the front air doesn't get cold. Is there a valve that could be stuck?
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