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GM Tech (Cam)
GM Tech (Cam), Pontiac Technician
Category: Pontiac
Satisfied Customers: 2373
Experience:  GM Grand Master Technician 2007. 14 years experience.
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85 Pontiac Fiero 6 cyl 2.8. A/C; Compressor is new, new oil,

Customer Question

85 Pontiac Fiero 6 cyl 2.8. A/C; Compressor is new, new oil, new accumulator, new hoses. I fill the low side with R134a. I run the compressor to circulate the R134a. The compressor keeps cycling on and off; a few moments on, a few moments off. The R134a does not appear to circulate. If I continue filling the low side with R134a, the filler gauge goes into the red. What's going on?
Submitted: 1 month ago.
Category: Pontiac
Expert:  kalamykid replied 1 month ago.

Do you have a set of a/c gauges that will read the high as well as the low side?

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