Skip the auto shop - Our mechanics make house calls

Q: Ac system

asked by on

When I pull vacuum on my ac system it only goes to about 8-10 pounds of Mercury and I don't have a leak my vac pump is brand new and my manifold gauges are new to I just replaced my compressor and drier with all new o-rings and the correct amount of oil
My car has an automatic transmission.

A: The low vacuum is an indication that there ...

The low vacuum is an indication that there is a leak somewhere in the A/C system, gauges or vacuum pump. I suggest getting this looked at by a certified technician, like one from YourMechanic, who will be able to perform leak test to diagnose the cause of your A/C issue.

Was this answer helpful?

Need advice from certified mechanic? Get help now!

Over 1000 mechanics are ready to answer your question.
The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details

Ask a Mechanic
(100% Free)

Have a car question? Get free advice from our top-rated mechanics.

Ask A Mechanic
Over 10,000 questions answered!

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing

Get a quote

What others are asking

Q: Car misfiring and sluggish.

Hi there. This complaint is one of the most common problems for the engine on this vehicle. Most other owners have had multiple problems revolving around this vehicle. I will list them in order from most common to least common:...

Q: Stalling and misfiring at idle on a 1999 BMW Z3

Those things are notorious for getting vacuum leaks on them because the tops of the engines are all made out of plastic--including the intake system. Especially on the driver's side, there are all kinds of plastic piping. You'd want to...

Q: Dead animal inside vents of vehicle.

I have seen a family of mice make a home inside the heater blower case. You may need to have the entire heater blower case removed, thoroughly cleaned out, and sanitized. This may be the only way to remove most...

Related articles

What Causes Hoses to Leak?
While the largest part of your engine is mechanical, hydraulics plays a significant role. You’ll find fluids at work in a number of different areas. Your car's fluids include: Engine oil Transmission...
P0052 OBD-II Trouble Code: HO2S Heater Control Circuit High (Bank 2 Sensor 1)
P0052 code definition HO2S Heater Control Circuit High (Bank 2 Sensor 1) What the P0052 code means This code is seen when the Engine Control Module (ECM) tries to control the...
How Much Does a Mechanic Make in Vermont?
Automotive technician jobs in Vermont have an average mechanic salary of $37k, with some mechanics earning a salary of $53k.