Skip the auto shop - Our mechanics make house calls

Q: Having trouble finding the low pressure valve to put the refrigerant in.

asked by on

I have looked everywhere for the low pressure valve because i need to refill the refrigerant really badly as my job is a delivery driver in the middle of Texas in the dead of summer, however, I can't find it and I am beginning to think there isn't one however I have called the Audi dealership in Dallas and the person I spoke to told me where it is but that is the High pressure valve.
My car has an automatic transmission.

A: If you follow the large line that goes into...

If you follow the large line that goes into the firewall connection to the evaporator in the engine compartment, you will see the high pressure connection on the small line, and low side connection on the right, on the larger line.

If you would like some assistance with this, a qualified mobile technician can come to your home or office to perform an AC recharge.

Was this answer helpful?
Recommended services
Get a Quote

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・Save up to 30%

Get a quote

What others are asking

Q: My car runs poorly when the idle sensor is connected, without it the car runs fine

The throttle position sensor is designed to monitor the position of the throttle butterfly valve in relation to the throttle pedal position. If the engine runs rough when it is plugged in and runs fine when it is unplugged, then...

Q: Low heat

Hi There, You may have a clogged heater core that may be prohibiting the outer linings of the heater core to get hot. As you know, the heater core is a series of tubes that the coolant runs through that...

Q: Belt makes noise after turning on air conditioning

Hi. If your vehicle is only making noise when you start the vehicle, it may be possible that there is a problem with the belt or one or more of the pulleys. I would recommend having a professional technician, such...

Related articles

Rules of the Road For Iowa Drivers
Driving on the roads requires knowledge of the rules, many of which are based on common sense and courtesy. However, even though you know the rules in...
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.
P2103 OBD-II Trouble Code: Throttle Actuator Control Motor Circuit High
P2103 means there is a fault with the throttle actuator control motor circuit, likely due to a defective electrical component or part.