A/C High Side Service Port - Chevy TrailBlazer, TrailBlazer SS and GMC Envoy Forum



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Go Back   Chevy TrailBlazer, TrailBlazer SS and GMC Envoy Forum > 2002 - 2009 TrailBlazer/Envoy Tech > 02-09 General Tech Q&A > General

General If it doesn't fit in any other forum

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  #1  
Old 04-08-2010, 03:24 PM
dcw dcw is offline
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2004 Chevy TrailBlazer LS
Liquid Silver Metallic 4.2L I6 4X4
Join Date: Mar 2010
Location: Pompey, NY
Posts: 19
A/C High Side Service Port

The high side service port is on the passenger side of the engine compartment on the line exiting the condenser, correct?

Usually the high side port is between the compressor and condenser, but this is the only high side port I can find.
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  #2  
Old 04-08-2010, 10:30 PM
c good c good is offline
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2002 GMC Envoy SLT
Indigo Blue Metallic 4.2L I6 4X4
Join Date: Feb 2009
Location: San Diego, CA
Posts: 536
Correct. On the passenger side. High side service port is under the cover that goes over the top of the radiatior and condenser. I drilled and dremeled out a hole on this cover to let me hook up guages to it without pulling it off each time I service it. It is just by the clip that holds the hood prop rod down. That's the only high side port that I'm aware of. The low side is on the accumulator/dryer. HTH c good
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