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Posted

Hi all

 

I have an Alhambra 1.9 tdi, in other words a Galaxy 1.9 tdi, and the air con refrigerant pipe has broken where it is secured to the sump with a clip. The trouble is I dont know how long it has been like that. I have the replacement pipe (

Posted

1. Fit new pipe and new O rings.

 

2. Have the system flushed by an aircon specialist.

 

3. Fit a new dryer

 

4. Using a/c refill machine, evacuate for at least 1 preferably 2 hours

 

5. Refill gas along with the correct amount of oil required **important unless you want a seized compressor**

 

 

The Ford TIS Cd has the PAG46 oil quantities, you may want to study this to calculate the correct amount.

If you skip point 2 and 3 then you will have to guess how much oil was lost.

Posted

Thanks Seatkid

 

I suspect that all the oil has gone. Also when considering the weather we've been having I should imagine that there's a good deal of moisture in the system as well , so I'm going to put a new dryer on as a matter of course.

Thanks for the help.

Posted (edited)

AFAIK, unless the gas was lost very quickly, it's unlikely that you have lost much of the oil.

 

Although the oil quantity is given in the TIS, this is normally distributed around the system in the various components. Unfortunately, Ford neglect to tell you how much oil should be in each component, so I've been told that when replacing the dryer you should empty the oil out of the old dryer and measure it, and then put the same plus 20% back into the new one.

 

The only way to be absolutely certain that the oil quantities are right is to get it completely flushed, as seatkid says.

Edited by sparky Paul
Posted

Thanks for the info sparky paul

 

My next question is. How do you separate the refrigerant pipes? The mating ends can be turned but not pulled apart. Does the doughnut type metal sealing ring need to be opened? Or should the pipes just pull apart?

Posted (edited)
How do you separate the refrigerant pipes? The mating ends can be turned but not pulled apart. Does the doughnut type metal sealing ring need to be opened? Or should the pipes just pull apart?

 

If you mean the inline couplings, they are call Spring Lock couplings and you need a special tool which clips over the joint and separates it. They come in a set of four for the different pipe sizes, like these...

 

http://cgi.ebay.co.uk/SEALEY-Air-Condition...emZ160124741065

 

Use new o-rings on reassembly, and lubricate with PAG46 oil.

Edited by sparky Paul

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