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High/Low AC pressure ports--location?

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33K views 5 replies 5 participants last post by  bergacsteve  
#1 ·
Is the high pressure port the one next to the radiator? It looks to me like the AC line comes off the compressor and connects to the condenser. I read somewhere, IIRC, that is the high pressure port. That would mean the low pressure port is the one next to the intake/PS gizmo/brake fluid reservoir.

Reason for asking is the 300E is blowing ambient air. Was working OK last year.

It's got the 134a sticker, so I was looking at just adding a can or two.

Thanks in advance.
 
#3 ·
Low pressure (suction) port is on the driver side next to the intake manifold.

High pressure port is behind the radiator end tank.
 
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