measure air conditioner pressure with gauge

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My Name: onepound

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Model: C3 2006-2009, Facelift model
Year: 2009 (09)
Engine Size: 1.6 (16v)
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Gearbox: Manual 5 speed
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How do you measure air conditioner pressure with gauge?
there are ones like this
Pressure gauge
Pressure gauge
but won't the coolant leak out when you screw it?

Also theres this
refill a/c coolant on a Citroen C3
refill a/c coolant on a Citroen C3
https://s.click.aliexpress.com/e/csANEUAk
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My Name: C3CAR

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Turn the tap OFF and connect the other end which is a push fit to the low side port. That one you have shown is difficult to connect well to the low side without a leak though.
Refill air-conditioning-system-on-Citroen-C3
Refill air-conditioning-system-on-Citroen-C3
Low side is in the left of the engine bay.
My Name: onepound

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Posts: 73
Joined: Thu Aug 03, 2017 9:23 am
Model: C3 2006-2009, Facelift model
Year: 2009 (09)
Engine Size: 1.6 (16v)
Fuel Type: Diesel
Mileage: 84000
Gearbox: Manual 5 speed
DPF: Yes
LHD or RHD: RHD (UK)
Engine name: DV6 16-valve diesel (92 PS)
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Thanks for the picture an explanation.
C3CAR wrote: Wed Jul 25, 2018 8:51 pm That one you have shown is difficult to connect well to the low side without a leak though.
Just one thing, Do you mean this one is difficult to connect? Image
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My Name: C3CAR

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Joined: Wed May 04, 2011 10:01 am
Model: C3 2002-2005, Original shape model
Year: 2002 (02)
Engine Size: 1.4 (16v)
Fuel Type: Diesel
Mileage: 140000
Trim Level: Exclusive
Gearbox: Manual 5 speed
DPF: No
LHD or RHD: RHD (UK)
Engine name: DV4 16-valve diesel (90 PS)
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Yes. It's got a push fit type of connector to connect to the car.

Pushfit connector:
Connector for low-side air conditioning on a Citroen C3
Connector for low-side air conditioning on a Citroen C3
It takes a good push for it to click click on. If it doesn't make a great connection you loose refrigerant from the car which is not a good thing.

It isn't a professional bit of kit, but does the job if you are careful. Here it is on Amazon.co.uk
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My Name: Arfur Dent

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Model: C3 2002-2005, Original shape model
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Engine Size: 1.4 (16v)
Fuel Type: Diesel
Mileage: 100000
Trim Level: Exclusive
Gearbox: Manual 5 speed
DPF: No
LHD or RHD: RHD (UK)
Engine name: DV4 16-valve diesel (90 PS)
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You can't beat a professional air con service by F1 autocentres. They have a machine that connects to both low and high side to diagnose faults before removing all the old air, moisture, oil and refrigerant and refilling the correct quantity of oil and refrigerant.


Check out Get £5 off an Air Con Re-Gas at Formula One Autocentres - 5OFFACRG15
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