Question about 1999 GMC Suburban
1999 Chevy Suburban - My rear air vents had COLD a/c coming out but my front vents had Cool/Warmer air coming out. I added a can of freon and now it needs more. I can hear a hissing sound near the joint where two nuts meet on left side of engine compartment so it appears to be a leak. Can I unscrew the two nuts and re-tighten/ add a washer or something or do I need to take it to an A/C repair shop. How much should this (what appears to be very basic) repair cost? Thanks
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Posted on Jan 02, 2017
The hissing is caused by the freon going through the orifice tube, so do not touch the 2 nuts. You will loose the freon in the system.
What's probably going on is the mode actuator is not functioning correctly.
Take it to a professional, a dealership should be able to help you.
Posted on Aug 13, 2009
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