May 20, 2006Am I a retard? I can't seem to find the low a/c port. My truck blows semi cool a/c. I bought a can of R-134a. Just can't seem to find it....Thanks
Forums : Silverado (c/k) (1988 - 1998) : Low side a/c service port? (1924 Views)
Subscribers : ramrod7373
May 20, 2006look where the ac lines bolt to the compressor,
where the two lines bolt up, one high side, the other low side, should be a fitting right there for each one, there was on my 97
April 18, 2012Same problem here. I see two service ports on the top of the engine, but i can`t tell which is high and which is low. One of the lines is noticeably larger than the other. Would that be the low pressure side? Also, the tap for the can of 134a only fits on one of the ports. Can I assume that that is the low pressure port? Thanks.
June 12, 2012I`m going to try recharging my A/C myself this time. I`m just confused on which port I plug it into. I`m supposed to connect to the low side, but I`m not 100% sure I`m looking at the right connector. If you look at the picture, I`m thinking it`s the one near the bottom of the frame. Where the line bends up to the connector then back down. Is that correct?
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