[V8] Low Side A/C Port 4.2

[Paul Jager]

So I went to charge it up and the port is the right style wrong diameter. 
It's a jumbo fitting compared to the Red-Nek hose coupler. 1993 928GTS  has 
the same jumbo size.

PS The Red-Nek fluid is fully R12- R134a compatible, and is a larger 
molecule so it's better than 134a....which is a great solution for older 
cars too. Note the actual product name is "Red-Tek" if you are looking to 
Google it.

-----Original Message----- 
From: Paul Jager
Sent: Tuesday, February 21, 2012 9:56 AM
To: v8audi fan
Subject: Re: [V8] Low Side A/C Port 4.2

Yes the low side fitting is in fact down just the coolant tank under the
cold air intake. Black Cap on it. For some reason I was distracted the pipe
sizes and the drawing in the manual. Have to take a look at that again....

thanks!


-----Original Message----- 
From: Dave Saad
Sent: Monday, February 20, 2012 8:22 AM
To: v8audi fan
Subject: Re: [V8] Low Side A/C Port 4.2

I believe it is over by the coolant tank.


On Feb 19, 2012, at 7:16 PM, Tony and Lillie wrote:

> Should be on the compressor, but t's been a long time since I've worked on 
> a 4.2 V8, and have never actually done the AC on one. That said, the 
> reciever drier is on the high side of the system. The large line that 
> comes back from the evaproator to the compressor is the one that the low 
> side fitting will be on.
>
> HTH,
> Tony
>
> ----- Original Message ----- Subject: [V8] Low Side A/C Port 4.2
>
>
>> I have a Red-Nek AC kit &  wanting to charge the system....
>> the '93 has a 134a spec, which should be a snap on fitting (like an air 
>> hose) but can't locate.
>> Is the low side service port the screw fitting on the receiver dryer?
>>
>> there is a r12 to 134a adapter in the kit with the cans and gauges too.
>>
>> thanks
>
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