A/C high-pressure line

2015 NISSAN ALTIMA
130,000 MILES • 2.3L • 4 CYL • 2WD • AUTOMATIC
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SERVERJON
  • MEMBER
  • 1 POST
I installed a new high-pressure line, and I’m in the vacuuming stage but when I turn on the vacuum, the gauges continue to read 0 after a few minutes and it looked like it was almost instant online.
Apr 11, 2022 at 3:46 PM
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STEVE W.
  • ✓ASE Certified Mechanic
  • 15,200 POSTS
  • ASE Certified Mechanic
Test the pump and gauges by shutting off the valves, does it read a vacuum then? How long was the system open or empty? If only long enough to change the line, I would check that it isn't leaking. Normally a pump will run maybe a minute at most before starting to show a vacuum.
Apr 11, 2022 at 4:07 PM
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